Author: "Meng, Xiang" / Topic: cell biology - Searchworks@Jio Institute Digital Library Search Results

99 results on '"Meng, Xiang"'

1. TWIK-related acid-sensitive K+ channel 2 promotes renal fibrosis by inducing cell-cycle arrest

Author: Jian Zhang, Jing Chen, Yufei Lu, Yan Yang, Weize Chen, Bo Shen, Jiachang Hu, Ping Jia, Sujuan Xu, Yiqin Shi, Yichun Ning, Jialin Wang, Yi Fang, Shuan Zhao, Yang Li, Yan Dai, Xiaoyan Zhang, Meng Xiang, Yang Tian, Zhichao Liu, Nana Song, and Xiaoqiang Ding
Subjects: Nephrology, molecular biology, cell biology, Science
Abstract: Summary: TWIK-related acid-sensitive K+ channel-2 (TASK-2, encoded by Kcnk5) is essential in cell biological processes, by regulating transmembrane K+ balance. In the present study, we aimed to clarify the role of TASK-2 in renal fibrosis and explore the underlying mechanism. We found that TASK-2 level was elevated in the renal tubular UUO- and UIR-induced renal fibrosis as well as in patients with renal tubulointerstitial fibrosis. Knockout of Kcnk5 or inhibition of TASK-2 in renal tubules attenuated G2/M cell-cycle arrest and alleviated renal fibrosis. Mechanistically, demethylase fat mass and obesity-associated protein (FTO) reduced N6-adenosine methylation (m6A) of Kcnk5 mRNA following renal fibrosis. FTO deficiency attenuated the upregulation of TASK-2 and renal fibrosis. The results demonstrated the crucial role of TASK-2 in renal fibrosis, which is conducive to a better understanding of the pathogenesis of renal fibrosis. TASK-2 may be a potential treatment strategy to alleviate the development of renal fibrosis.
Published: 2022
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2. H3K27 methylation regulates the fate of two cell lineages in male gametophytes

Author: Meng-xiang Sun and Xiaorong Huang
Subjects: Histones, Arabidopsis, Pollen, Cell Lineage, Cell Biology, Plant Science, Methylation, Research Articles, Chromatin, In Brief
Abstract: During angiosperm male gametogenesis, microspores divide to produce a vegetative cell (VC) and a male germline (MG), each with distinct cell fates. The mechanism underlying determination of the MG cell/VC fate remains an important area of research, with many unanswered questions. Here, we report that H3K27me3 is essential for VC fate commitment in male Arabidopsis thaliana gametophytes; H3K27me3 erasure contributes to MG cell fate initiation. VC-targeted H3K27me3 erasure disturbed VC development and shifted the VC fate toward a gamete destination, which suggests that MG cells require H3K27me3 erasure to trigger gamete cell fate. Multi-omics and cytological analyses confirmed the occurrence of extensive cell identity transition due to H3K27me3 erasure. Therefore, we experimentally confirmed that MG cell/VC fate is epigenetically regulated. H3K27 methylation plays a critical role in guiding MG cell/VC fate determination for pollen fertility in Arabidopsis. Our work also provides evidence for two previous hypotheses: the germline cell fate is specified by the differential distribution of unknown determinants and VC maintains the default microspore program (i.e. the H3K27me3 setting) while MG requires reprogramming.
Published: 2022

3. Extracellular vesicles microRNA-592 of melanoma stem cells promotes metastasis through activation of MAPK/ERK signaling pathway by targeting PTPN7 in non-stemness melanoma cells

Author: Yuhan Zhang, Yan Chen, Lei Shi, Jie Li, Wenjuan Wan, Bowen Li, Doudou Liu, Xiaoshuang Li, Yuting Chen, Meng Xiang, Hao Chen, Bin Zeng, H. Rosie Xing, and Jianyu Wang
Subjects: Cancer Research, Cellular and Molecular Neuroscience, Immunology, Cell Biology
Abstract: Melanoma, one of the most aggressive malignancies, its high mortality and low survival rates are associated with effective metastatic colonization. Melanoma metastasis hinges on the bidirectional cell-cell communication within the complex metastatic microenvironments (MME). Extracellular vesicles (EVs) are recognized as a new class of molecular mediator in MME programing. Published studies show that melanoma EVs can educate MME stromal cells to acquire the pro-metastatic phenotype to enhance metastatic colonization. Whether EVs can mediate the interactions between heterogenous cancer cells within the MME that alter the course of metastasis has not been investigated at the mechanistic level. In this study, melanoma parental cells (MPCs) and paired derivative cancer stem cell line melanoma stem cells (MSCs) that were derived from melanoma cell line M14 were used. We demonstrate that the EVs-mediated crosstalk between the MSCs and the MPCs is a novel mechanism for melanoma metastasis. We characterized miR-592, a relatively novel microRNA of prognostic potential, in mediation of such intercellular crosstalk. EVs can encapsulate and deliver miR-592 to target MPCs. Upon entering, miR-592 inhibits the expression of its gene target protein tyrosine phosphatase non-receptor type7 (PTPN7), a phosphatase targeting MAPKs. This leads to the relief of the inhibitory effect of PTPN7 on MAPK/ERK signaling and consequently the augmentation of metastatic colonization of MPCs. Thus, via the extracellular vesicle miR-592/PTPN7/MAPK axis, melanoma-CSCs can transfer their metastatic ability to the low-metastatic non-CSC melanoma cells.
Published: 2022

4. Autophagy in sexual plant reproduction: new insights

Author: Meng-Xiang Sun, Xuemei Zhou, and Peng Zhao
Subjects: Physiology, Mechanism (biology), Reproduction, Autophagy, Context (language use), Plant Science, Plants, Biology, Plant Physiological Phenomena, Plant reproduction, Cell biology
Abstract: Autophagy is a mechanism by which damaged or unwanted cells are degraded and their constituents recycled. Over the past decades, research focused on autophagy has expanded from yeast to mammals and plants, and the core machinery regulating autophagy appears to be conserved. In plants, autophagy has essential roles in responses to stressful conditions and also contributes to normal development, especially in the context of reproduction. Here, based on recent efforts to understand the roles and molecular mechanisms underlying autophagy, we highlight the specific roles of autophagy in plant reproduction and provide new insights for further studies.
Published: 2021

5. Fertilized egg cells secrete endopeptidases to avoid polytubey

Author: Xiongbo Peng, Hong Chen, Meng-Xiang Sun, Xiaobo Yu, Andrea Bleckmann, Ce Shi, Peng Zhao, Xuecheng Zhang, Anastasiia Bazhenova, and Thomas Dresselhaus
Subjects: Egg cell, Arabidopsis, Pollen Tube, Biology, medicine.disease_cause, Cell Fusion, 03 medical and health sciences, 0302 clinical medicine, Human fertilization, Pollen, Endopeptidases, medicine, Ovule, 030304 developmental biology, 0303 health sciences, Multidisciplinary, Arabidopsis Proteins, food and beverages, Sperm, Fertilization envelope, Cell biology, medicine.anatomical_structure, Fertilization, Gamete, Pollen tube, 030217 neurology & neurosurgery
Abstract: Upon gamete fusion, animal egg cells secrete proteases from cortical granules to establish a fertilization envelope as a block to polyspermy1–4. Fertilization in flowering plants is more complex and involves the delivery of two non-motile sperm cells by pollen tubes5,6. Simultaneous penetration of ovules by multiple pollen tubes (polytubey) is usually avoided, thus indirectly preventing polyspermy7,8. How plant egg cells regulate the rejection of extra tubes after successful fertilization is not known. Here we report that the aspartic endopeptidases ECS1 and ECS2 are secreted to the extracellular space from a cortical network located at the apical domain of the Arabidopsis egg cell. This reaction is triggered only after successful fertilization. ECS1 and ECS2 are exclusively expressed in the egg cell and transcripts are degraded immediately after gamete fusion. ECS1 and ESC2 specifically cleave the pollen tube attractor LURE1. As a consequence, polytubey is frequent in ecs1 ecs2 double mutants. Ectopic secretion of these endopeptidases from synergid cells led to a decrease in the levels of LURE1 and reduced the rate of pollen tube attraction. Together, these findings demonstrate that plant egg cells sense successful fertilization and elucidate a mechanism as to how a relatively fast post-fertilization block to polytubey is established by fertilization-induced degradation of attraction factors. Fertilized Arabidopsis egg cells secrete endopeptidases into the extracellular space that cleave the pollen tube attractor LURE1, preventing polytubey.
Published: 2021

6. ARP2/3-independent WAVE/SCAR pathway and class XI myosin control sperm nuclear migration in flowering plants

Author: Xiongbo Peng, Daisuke Maruyama, Meng-Xiang Sun, Samuel W Hacker, Tomokazu Kawashima, Mohammad Foteh Ali, and Umma Fatema
Subjects: Green Fluorescent Proteins, Arabidopsis, macromolecular substances, Myosins, Actin-Related Protein 2-3 Complex, Karyogamy, Magnoliopsida, Pronuclear migration, Tobacco, Myosin, medicine, Arabidopsis thaliana, Cell Nucleus, Ovule, Multidisciplinary, Zygote, biology, Arabidopsis Proteins, fungi, food and beverages, Biological Sciences, Plants, Genetically Modified, biology.organism_classification, Sperm, Actins, Cell biology, medicine.anatomical_structure, Pollen, Gamete
Abstract: After eukaryotic fertilization, gamete nuclei migrate to fuse parental genomes in order to initiate development of the next generation. In most animals, microtubules control female and male pronuclear migration in the zygote. Flowering plants, on the other hand, have evolved actin filament (F-actin)-based sperm nuclear migration systems for karyogamy. Flowering plants have also evolved a unique double-fertilization process: two female gametophytic cells, the egg and central cells, are each fertilized by a sperm cell. The molecular and cellular mechanisms of how flowering plants utilize and control F-actin for double-fertilization events are largely unknown. Using confocal microscopy live-cell imaging with a combination of pharmacological and genetic approaches, we identified factors involved in F-actin dynamics and sperm nuclear migration in Arabidopsis thaliana (Arabidopsis) and Nicotiana tabacum (tobacco). We demonstrate that the F-actin regulator, SCAR2, but not the ARP2/3 protein complex, controls the coordinated active F-actin movement. These results imply that an ARP2/3-independent WAVE/SCAR-signaling pathway regulates F-actin dynamics in female gametophytic cells for fertilization. We also identify that the class XI myosin XI-G controls active F-actin movement in the Arabidopsis central cell. XI-G is not a simple transporter, moving cargos along F-actin, but can generate forces that control the dynamic movement of F-actin for fertilization. Our results provide insights into the mechanisms that control gamete nuclear migration and reveal regulatory pathways for dynamic F-actin movement in flowering plants.
Published: 2020

7. Gametophyte-specific DEAD-box RNA helicase 29 is required for functional maturation of male and female gametophytes in Arabidopsis

Author: Na Li, Bo Dai, Yang Sun, Wen Zhang, Meng-Xiang Sun, Xiongbo Peng, Yameng Wang, Fei Xie, and Dan Chen
Subjects: Ovule, 0106 biological sciences, 0301 basic medicine, Gametophyte, Gynoecium, DEAD box, Arabidopsis Proteins, Physiology, Mutant, Arabidopsis, Morphogenesis, Plant Science, Biology, biology.organism_classification, 01 natural sciences, RNA Helicase A, Cell biology, DEAD-box RNA Helicases, 03 medical and health sciences, 030104 developmental biology, Mutation, Pollen tube, Germ Cells, Plant, 010606 plant biology & botany
Abstract: The maturation of male and female gametophytes together with its impact on plant sexual reproduction has not received much attention, and the molecular mechanisms underlying the process are largely unknown. Here, we show that Arabidopsis DEAD-box RNA helicase 29 (RH29) is critical for the functional maturation of both male and female gametophytes. Homozygous rh29 mutants could not be obtained, and heterozygous mutant plants were semi-sterile. Progression of the cell cycle in rh29 female gametophytes was delayed. Delayed pollination experiments showed that rh29 female gametophytes underwent cell-fate specification but were unable to develop into functional gametophytes. Functional specification but not morphogenesis was also disrupted in rh29 male gametophytes, causing defective pollen tube growth in the pistil. RH29 was highly and specifically expressed in gametophytic cells. RH29 shares high amino acid sequence identity with yeast Dbp10p, which partially rescues the aborted-ovules phenotype of rh29/RH29 plants. RH29 is essential for the synthesis of REGULATORY PARTICLE TRIPLE A ATPase 5a (RPT5a), a subunit of the regulatory particle of the 26S proteasome. Our results suggest that gametophyte functional maturation is a necessary process for successful fertilization and that RH29 is essential for the functional maturation of both male and female gametophytes.
Published: 2020

8. Critical role of H3K27 methylation in cell fate determination of two cell lineages in male gametophyte

Author: Xin-Yun Huang and Meng-Xiang Sun
Subjects: Gametophyte, biology, Somatic cell, Cell, macromolecular substances, Cell fate determination, biology.organism_classification, Germline, Cell biology, medicine.anatomical_structure, Arabidopsis, medicine, Gamete, Reprogramming
Abstract: During angiosperm male gametogenesis, microspores divide to produce a vegetative cell (VC) and a male germline (MG), each with a distinct cell fate. How the MG cell/VC fate is determined remains largely unknown. Here, we report that H3K27me3 is essential for VC fate commitment and H3K27me3 erasure contributes to the MG cell fate initiation in male gametophyte of Arabidopsis. The VC-targeted H3K27me3 erasure disturbed the VC development and resulted in the VC fate shifting towards a gamete destination, which suggests that MG cells require H3K27me3 erasure for triggering the gamete cell fate. Multi-omics and cytologic analysis confirmed the occurrence of extensive cell identity transition due to H3K27me3 erasure. Therefore, we experimentally confirm that the MG cell/VC fate is epigenetically regulated. The H3K27 methylation plays a critical role in the guidance of MG cell/VC fate determination for pollen fertility in Arabidopsis. Our work also provides new evidences for two previous hypotheses that the germline cell fate is specified by the differential distribution of yet unknown determinant, and VC maintains the microspore’s default program, namely the H3K27me3 setting, whereas MG requires reprogramming.
Published: 2021

9. Knockout of integrin β1 in induced pluripotent stem cells accelerates skin-wound healing by promoting cell migration in extracellular matrix

Author: Yansong Ren, Jinbo Liu, Huijun Xu, Shun Wang, Shirui Li, Meng Xiang, and Sifeng Chen
Subjects: Mice, Knockout, Integrins, Mice, Wound Healing, Cell Movement, Integrin beta1, Induced Pluripotent Stem Cells, Molecular Medicine, Medicine (miscellaneous), Animals, Cell Biology, Biochemistry, Genetics and Molecular Biology (miscellaneous), Extracellular Matrix
Abstract: Background Induced pluripotent stem cells (iPSCs) have the potential to promote wound healing; however, their adhesion to the extracellular matrix (ECM) might decrease iPSC migration, thereby limiting their therapeutic potential. Integrin β1 (Itgb1) is the major integrin subunit that mediates iPSC-ECM adhesion, suggesting that knocking out Itgb1 might be an effective method for enhancing the therapeutic efficacy of iPSCs. Methods We knocked out Itgb1 in mouse iPSCs and evaluated its effects on the therapeutic potential of topically applied iPSCs, as well as their underlying in vivo and in vitro mechanisms. Results The Itgb1-knockout (Itgb1-KO) did not change iPSC pluripotency, function, or survival in the absence of embedding in an ECM gel but did accelerate wound healing, angiogenesis, blood perfusion, and survival in skin-wound lesions. However, embedding in an ECM gel inhibited the in vivo effects of wild-type iPSCs but not those of Itgb1-knockout iPSCs. Additionally, in vitro results showed that Itgb1-knockout decreased iPSC-ECM adhesion while increasing ECM-crossing migration. Moreover, ECM coating on the culture surface did not change cell survival, regardless of Itgb1 status; however, the in vivo and in vitro functions of both Itgb1-knockout and wild-type iPSCs were not affected by the presence of agarose gel, which does not contain integrin-binding sites. Knockout of Integrin α4 (Itga4) did not change the above-mentioned cellular and therapeutic functions of iPSCs. Conclusions Itgb1-knockout increased iPSCs migration and the wound-healing-promoting effect of topically applied iPSCs. These findings suggest the inhibition of Itgb1 expression is a possible strategy for increasing the efficacy of iPSC therapies.
Published: 2021

10. In vitro fertilization placenta overgrowth in mice is associated with downregulation of the paternal imprinting gene H19

Author: Hui Lei, Shuqiang Chen, Yuan Ma, Xiaohong Wang, Meng Xiang, and Liang Wen
Subjects: Male, 0301 basic medicine, Offspring, Placenta, Down-Regulation, Fertilization in Vitro, Biology, Genomic Imprinting, Mice, 03 medical and health sciences, 0302 clinical medicine, Downregulation and upregulation, Pregnancy, Maldevelopment, Genetics, medicine, Animals, Imprinting (psychology), Gene, reproductive and urinary physiology, Mice, Inbred ICR, 030219 obstetrics & reproductive medicine, Gene Expression Regulation, Developmental, Cell Biology, female genital diseases and pregnancy complications, Cell biology, 030104 developmental biology, medicine.anatomical_structure, embryonic structures, DNA methylation, Female, RNA, Long Noncoding, Genomic imprinting, Developmental Biology
Abstract: In vitro fertilization (IVF) is a widely used assisted reproductive technology for individuals with infertility that may cause placental maldevelopment, which is harmful to the future health of the offspring. In this study, using a mouse model, we not only revealed changes in the placenta caused by IVF at embryonic day 18.5 (E18.5), but also attempted to identify factors that correlate with IVF-induced abnormal placental development. Our results demonstrate that IVF-induced placental maldevelopment is associated with hypermethylation of the imprinting control region of the H19 imprinted maternally expressed transcript (H19). IVF, by inducing overexpression of DNA methyltransferase 3β, downregulated H19 and the derived miR675, resulting in the activation of insulin-like growth factor signaling and its downstream phosphoinositide 3-kinase/AKT/mammalian target of rapamycin pathway. Therefore, we provided the first evidence of the molecular signaling pathways that link imprint genes, protein encoding genes, long noncoding RNAs, and microRNAs. This may provide new insights to inform the development of improved operational techniques for IVF and life-long health of the offspring.
Published: 2019

11. Maternal control of suspensor programmed cell death via gibberellin signaling

Author: Meng-Xiang Sun, Xiaorong Huang, Yu-Ting Du, Tianhe Cheng, Peng Zhao, Ce Shi, Hong-Ju Li, Wei-Cai Yang, An Luo, Hong Chen, and Pan Luo
Subjects: 0301 basic medicine, Programmed cell death, Cell signaling, Science, Plant embryogenesis, Arabidopsis, General Physics and Astronomy, Apoptosis, 02 engineering and technology, Cell Communication, macromolecular substances, Biology, General Biochemistry, Genetics and Molecular Biology, Article, 03 medical and health sciences, Gene Expression Regulation, Plant, Tobacco, Seed development, Promoter Regions, Genetic, lcsh:Science, Plant Proteins, Regulation of gene expression, Multidisciplinary, fungi, Gene Expression Regulation, Developmental, food and beverages, Embryo, General Chemistry, Proembryo, 021001 nanoscience & nanotechnology, Plants, Genetically Modified, Embryonic stem cell, Gibberellins, Cell biology, 030104 developmental biology, Seeds, lcsh:Q, CRISPR-Cas Systems, 0210 nano-technology, Suspensor, Cell signalling, Signal Transduction, Transcription Factors
Abstract: Plant embryos are generated and develop in a stable and well-protected microenvironment surrounded by maternal tissue, which is vital for embryogenesis. However, the signaling mechanisms responsible for maternal tissue-to-proembryo communication are not well understood. Here, we report a pathway for maternal tissue-to-proembryo communication. We identify a DELLA protein, NtCRF1 (NtCYS regulative factor 1), which regulates suspensor programmed cell death (PCD). NtCRF1 can bind to the promoter of NtCYS and regulate the suspensor PCD-switch module NtCYS-NtCP14 in response to gibberellin (GA). We confirm that GA4, as a primary signal triggering suspensor PCD, is generated in the micropylar endothelium by the transient activation of NtGA3oxs in the maternal tissue. Thus, we propose that GA is a maternal-to-proembryo communication signal that is decoded in the proembryo by a GID1-CRF1-CYS-CP14 signaling cascade. Using this mode of communication, maternal tissue precisely controls the embryonic suspensor PCD and is able to nurse the proembryo in a stage-dependent manner., Plant embryos are connected to maternal tissue by a filamentous suspensor, analogous to an umbilical cord, but which is severed during early embryo development. Here, Shi et al. show that gibberellins can trigger suspensor cell death in tobacco via a DELLA protein that regulates expression of cell death factors.
Published: 2019

12. ALIX increases protein content and protective function of iPSC-derived exosomes

Author: Pingping Wang, Peng Lu, Ning Sun, Dan Meng, Meng Xiang, Sifeng Chen, Heng Zhang, Xiaoyu Tian, Yingying Liu, Meng Lu, Qianqian Ding, and Ruiting Sun
Subjects: Cell type, Induced Pluripotent Stem Cells, Neovascularization, Physiologic, Cell Cycle Proteins, Exosomes, Protective Agents, Exosome, Mice, 03 medical and health sciences, 0302 clinical medicine, Cell Movement, Drug Discovery, Human Umbilical Vein Endothelial Cells, Animals, Humans, Viability assay, RNA, Small Interfering, Induced pluripotent stem cell, Sorting Nexins, Aorta, Genetics (clinical), Base Sequence, Endosomal Sorting Complexes Required for Transport, Chemistry, Calcium-Binding Proteins, Hydrogen Peroxide, Transfection, Molecular medicine, Microvesicles, Cell biology, Apoptosis, Molecular Medicine, Cisplatin, 030215 immunology
Abstract: Nature of exosome-secreting cells determines exosome content and function. ALIX, involved in exosome biogenesis, promotes cell degeneration. Here, ALIX was knocked out (iPSC-ALIX-/-) and overexpressed (iPSC-ALIX3+) in induced pluripotent stem cells (iPSCs) using CRISPR-Cas9 and lentiviral transduction, respectively, and the secreted exosomes were analyzed. Exosomes from iPSC-ALIX-/- (exosome-KO), iPSC-ALIX3+ (exosome-over), and their corresponding controls contained 176, 529, 431, and 351 proteins, respectively. Exosome-over showed increased protein levels, while exosome-KO contained fewer protein types without differing in total protein content. ALIX knockout did not affect exosome uptake by endothelial cells. Exosome-over more effectively promoted cell viability than exosome-GFP, in a dose-dependent manner. All exosomes were protective for endothelial cells injured by hydrogen peroxide or cisplatin, as demonstrated by promotion of cell viability, horizontal migration, angiogenic sprouting from aortic rings, and formation of capillary-like structures, inhibition of apoptosis, and maintenance of permeability of endothelial monolayer, although exosome-over and exosome-KO had stronger and weaker effects, respectively. SNX2 was important for ALIX-mediated exosomal function. Beneficial functions of the exosomes were independent of experimental models, targeted cell types, causes of injury, exosome-producing iPSC passages, clones of ALIX knockout, and transfection batches of ALIX overexpression. Thus, we present a novel strategy to manipulate iPSCs for production of exosomes with beneficial ALIX-regulated protein composition for varied exosome functions. KEY MESSAGES: ALIX knockout and overexpression regulate protein profile in iPSC-derived exosome. ALIX knockout decreases therapeutic function of iPSC-derived exosomes. ALIX overexpression increases therapeutic function of iPSC-derived exosomes. Manipulating iPSCs can produce exosomes with more beneficial protein content.
Published: 2019

13. Isolation of living apical and basal cell lineages of early proembryos for transcriptome analysis

Author: Peng Zhao, Meng-Xiang Sun, Ce Shi, and Xuemei Zhou
Subjects: 0106 biological sciences, Zygote, Cell division, Gene Expression Profiling, Cell, Arabidopsis, CDNA Library Construction, Embryo, Cell Separation, Cell Biology, Plant Science, Apical cell, Cell fate determination, Biology, 01 natural sciences, Cell biology, medicine.anatomical_structure, RNA, Plant, Plant Cells, Seeds, medicine, Cell Lineage, Suspensor, 010606 plant biology & botany
Abstract: Plant zygotes usually undergo asymmetrical cell division, giving rise to the formation of two daughter cells with distinct developmental cell fate. The small apical cell will develop into the major part of embryo proper, whereas the larger basal cell will divide to form a transient suspensor. Thus, the apical and basal cell lineages are an excellent model to study cell fate determination in relation to zygote polarity. However, the molecular mechanism underlying the differentiation of two distinct cell lineages is not yet understood, possibly due to the technique limitations. Previously, we have established a protocol for isolating apical cell and basal cell for cDNA library construction in tobacco. However, the method for isolating tiny Arabidopsis embryos has long been considered much more difficult. Here, we present a detailed protocol for isolating early Arabidopsis proembryos and separating apical and basal cell lineages of proembryos, which allow us to establish cell lineage-specific transcriptomes of early proembryos.
Published: 2018

14. Plant egg cell fate determination depends on its exact position in female gametophyte

Author: Meng-Xiang Sun, Xiu Wang, Yang Sun, Fei Xie, Bo Dai, Xiongbo Peng, and Lin Pan
Subjects: Egg cell, Cell type, Monosaccharide Transport Proteins, Green Fluorescent Proteins, Arabidopsis, Cell fate determination, Biology, Human fertilization, Bacterial Proteins, Live cell imaging, Plant Cells, medicine, Cell Nucleus, Ovule, Multidisciplinary, Indoleacetic Acids, Arabidopsis Proteins, Cell Differentiation, Biological Sciences, Transport inhibitor, Actin cytoskeleton, Plants, Genetically Modified, Cell biology, Luminescent Proteins, medicine.anatomical_structure, embryonic structures, Pollen tube
Abstract: Plant fertilization involves both an egg cell, which fuses with a sperm cell, and synergid cells, which guide pollen tubes for sperm cell delivery. Therefore, egg and synergid cell functional specifications are prerequisites for successful fertilization. However, how the egg and synergid cells, referred to as the "egg apparatus," derived from one mother cell develop into distinct cell types remains an unanswered question. In this report, we show that the final position of the nuclei in female gametophyte determines the cell fate of the egg apparatus. We established a live imaging system to visualize the dynamics of nuclear positioning and cell identity establishment in the female gametophyte. We observed that free nuclei should migrate to a specific position before egg apparatus specialization. Artificial changing in the nuclear position on disturbance of the actin cytoskeleton, either in vitro or in vivo, could reset the cell fate of the egg apparatus. We also found that nuclei of the same origin moved to different positions and then showed different cell identities, whereas nuclei of different origins moved to the same position showed the same cell identity, indicating that the final positions of the nuclei, rather than specific nucleus lineage, play critical roles in the egg apparatus specification. Furthermore, the active auxin level was higher in the egg cell than in synergid cells. Auxin transport inhibitor could decrease the auxin level in egg cells and impair egg cell identity, suggesting that directional and accurate auxin distribution likely acts as a positional cue for egg apparatus specialization.
Published: 2021

15. Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition) 1

Author: Klionsky, Daniel, Abdel-Aziz, Amal Kamal, Abdelfatah, Sara, Abdellatif, Mahmoud, Abdoli, Asghar, Abel, Steffen, Abeliovich, Hagai, Abildgaard, Marie, Abudu, Yakubu Princely, Acevedo-Arozena, Abraham, Adamopoulos, Iannis, Adeli, Khosrow, Adolph, Timon, Adornetto, Annagrazia, Aflaki, Elma, Agam, Galila, Agarwal, Anupam, Aggarwal, Bharat, Agnello, Maria, Agostinis, Patrizia, Agrewala, Javed, Agrotis, Alexander, Aguilar, Patricia, Ahmad, S Tariq, Ahmed, Zubair, Ahumada-Castro, Ulises, Aits, Sonja, Aizawa, Shu, Akkoc, Yunus, Akoumianaki, Tonia, Akpinar, Hafize Aysin, Al-Abd, Ahmed, Al-Akra, Lina, Al-Gharaibeh, Abeer, Alaoui-Jamali, Moulay, Alberti, Simon, Alcocer-Gómez, Elísabet, Alessandri, Cristiano, Ali, Muhammad, Alim Al-Bari, M Abdul, Aliwaini, Saeb, Alizadeh, Javad, Almacellas, Eugènia, Almasan, Alexandru, Alonso, Alicia, Alonso, Guillermo, Altan-Bonnet, Nihal, Altieri, Dario, Álvarez, Élida, Alves, Sara, Alves Da Costa, Cristine, Alzaharna, Mazen, Amadio, Marialaura, Amantini, Consuelo, Amaral, Cristina, Ambrosio, Susanna, Amer, Amal, Ammanathan, Veena, An, Zhenyi, Andersen, Stig, Andrabi, Shaida, Andrade-Silva, Magaiver, Andres, Allen, Angelini, Sabrina, Ann, David, Anozie, Uche, Ansari, Mohammad, Antas, Pedro, Antebi, Adam, Antón, Zuriñe, Anwar, Tahira, Apetoh, Lionel, Apostolova, Nadezda, Araki, Toshiyuki, Araki, Yasuhiro, Arasaki, Kohei, Araújo, Wagner, Araya, Jun, Arden, Catherine, Arévalo, Maria-Angeles, Arguelles, Sandro, Arias, Esperanza, Arikkath, Jyothi, Arimoto, Hirokazu, Ariosa, Aileen, Armstrong-James, Darius, Arnauné-Pelloquin, Laetitia, Aroca, Angeles, Arroyo, Daniela, Arsov, Ivica, Artero, Rubén, Asaro, Dalia Maria Lucia, Aschner, Michael, Ashrafizadeh, Milad, Ashur-Fabian, Osnat, Atanasov, Atanas, Au, Alicia, Auberger, Patrick, Auner, Holger, Aurelian, Laure, Autelli, Riccardo, Avagliano, Laura, Ávalos, Yenniffer, Aveic, Sanja, Aveleira, Célia Alexandra, Avin-Wittenberg, Tamar, Aydin, Yucel, Ayton, Scott, Ayyadevara, Srinivas, Azzopardi, Maria, Baba, Misuzu, Backer, Jonathan, Backues, Steven, Bae, Dong-Hun, Bae, Ok-Nam, Bae, Soo Han, Baehrecke, Eric, Baek, Ahruem, Baek, Seung-Hoon, Baek, Sung Hee, Bagetta, Giacinto, Bagniewska-Zadworna, Agnieszka, Bai, Hua, Bai, Jie, Bai, Xiyuan, Bai, Yidong, Bairagi, Nandadulal, Baksi, Shounak, Balbi, Teresa, Baldari, Cosima, Balduini, Walter, Ballabio, Andrea, Ballester, Maria, Balazadeh, Salma, Balzan, Rena, Bandopadhyay, Rina, Banerjee, Sreeparna, Banerjee, Sulagna, Bánréti, Ágnes, Bao, Yan, Baptista, Mauricio, Baracca, Alessandra, Barbati, Cristiana, Bargiela, Ariadna, Barilà, Daniela, Barlow, Peter, Barmada, Sami, Barreiro, Esther, Barreto, George, Bartek, Jiri, Bartel, Bonnie, Bartolome, Alberto, Barve, Gaurav, Basagoudanavar, Suresh, Bassham, Diane, Bast, Robert, Basu, Alakananda, Batoko, Henri, Batten, Isabella, Baulieu, Etienne, Baumgarner, Bradley, Bayry, Jagadeesh, Beale, Rupert, Beau, Isabelle, Beaumatin, Florian, Bechara, Luiz, Beck, George, Beers, Michael, Begun, Jakob, Behrends, Christian, Behrens, Georg, Bei, Roberto, Bejarano, Eloy, Bel, Shai, Behl, Christian, Belaid, Amine, Belgareh-Touzé, Naïma, Bellarosa, Cristina, Belleudi, Francesca, Belló Pérez, Melissa, Bello-Morales, Raquel, Beltran, Jackeline Soares de Oliveira, Beltran, Sebastián, Benbrook, Doris Mangiaracina, Bendorius, Mykolas, Benitez, Bruno, Benito-Cuesta, Irene, Bensalem, Julien, Berchtold, Martin, Berezowska, Sabina, Bergamaschi, Daniele, Bergami, Matteo, Bergmann, Andreas, Berliocchi, Laura, Berlioz-Torrent, Clarisse, Bernard, Amélie, Berthoux, Lionel, Besirli, Cagri, Besteiro, Sebastien, Betin, Virginie, Beyaert, Rudi, Bezbradica, Jelena, Bhaskar, Kiran, Bhatia-Kissova, Ingrid, Bhattacharya, Resham, Bhattacharya, Sujoy, Bhattacharyya, Shalmoli, Bhuiyan, Md Shenuarin, Bhutia, Sujit Kumar, Bi, Lanrong, Bi, Xiaolin, Biden, Trevor, Bijian, Krikor, Billes, Viktor, Binart, Nadine, Bincoletto, Claudia, Birgisdottir, Asa, Bjorkoy, Geir, Blanco, Gonzalo, Blas-Garcia, Ana, 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Anna, Hernández, Agustín, Hernandez, Carlos, Hernandez-Diaz, Sergio, Hernandez-Gea, Virginia, Herpin, Amaury, Herreros, Judit, Hervás, Javier, Hesselson, Daniel, Hetz, Claudio, Heussler, Volker, Higuchi, Yujiro, Hilfiker, Sabine, Hill, Joseph, Hlavacek, William, Ho, Emmanuel, Ho, Idy, Ho, Philip Wing-Lok, Ho, Shu-Leong, Ho, Wan Yun, Hobbs, G Aaron, Hochstrasser, Mark, Hoet, Peter, Hofius, Daniel, Hofman, Paul, Höhn, Annika, Holmberg, Carina, Hombrebueno, Jose, Yi-Ren Hong, Chang-Won Hong, Hooper, Lora, Hoppe, Thorsten, Horos, Rastislav, Hoshida, Yujin, Hsin, I-Lun, Hsu, Hsin-Yun, Hu, Bing, Hu, Dong, Hu, Li-Fang, Hu, Ming Chang, Hu, Ronggui, Hu, Wei, Hu, Yu-Chen, Hu, Zhuo-Wei, Hua, Fang, Hua, Jinlian, Hua, Yingqi, Huan, Chongmin, Huang, Canhua, Huang, Chuanshu, Huang, Chuanxin, Huang, Chunling, Huang, Haishan, Huang, Kun, Huang, Michael, Huang, Rui, Huang, Shan, Huang, Tianzhi, Huang, Xing, Huang, Yuxiang Jack, Huber, Tobias, Hubert, Virginie, Hubner, Christian, Hughes, Stephanie, 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Kazuyuki, Kuenen, Sabine, Kuerschner, Lars, Kukar, Thomas, Kumar, Ajay, Kumar, Ashok, Kumar, Deepak, Kumar, Dhiraj, Kumar, Sharad, Kume, Shinji, Kumsta, Caroline, Kundu, Chanakya, Kundu, Mondira, Kunnumakkara, Ajaikumar, Kurgan, Lukasz, Kutateladze, Tatiana, Kutlu, Ozlem, Kwak, SeongAe, Kwon, Ho Jeong, Kwon, Taeg Kyu, Kwon, Yong Tae, Kyrmizi, Irene, La Spada, Albert, Labonté, Patrick, Ladoire, Sylvain, Laface, Ilaria, Lafont, Frank, Lagace, Diane, Lahiri, Vikramjit, Lai, Zhibing, Laird, Angela, Lakkaraju, Aparna, Lamark, Trond, Lan, Sheng-Hui, Landajuela, Ane, Lane, Darius, Lane, Jon, Lang, Charles, Lange, Carsten, Langel, Ülo, Langer, Rupert, Lapaquette, Pierre, Laporte, Jocelyn, LaRusso, Nicholas, Lastres-Becker, Isabel, Lau, Wilson Chun Yu, Laurie, Gordon, Lavandero, Sergio, Law, Betty Yuen Kwan, Law, Helen Ka-wai, Layfield, Rob, Le, Weidong, Le Stunff, Herve, Leary, Alexandre, Lebrun, Jean-Jacques, Leck, Lionel, Leduc-Gaudet, Jean-Philippe, Lee, Changwook, Lee, Chung-Pei, Lee, Da-Hye, Lee, Edward, Lee, Erinna, Lee, Gyun Min, Lee, He-Jin, Lee, Heung Kyu, Lee, Jae Man, Lee, Jason, Lee, Jin-A, Lee, Joo-Yong, Lee, Jun Hee, Lee, Michael, Lee, Min Goo, Lee, Min Jae, Lee, Myung-Shik, Lee, Sang Yoon, Lee, Seung-Jae, Lee, Stella, Lee, Sung Bae, Lee, Won Hee, Lee, Ying-Ray, Lee, Yong-ho, Lee, Youngil, Lefebvre, Christophe, Legouis, Renaud, Lei, Yu, Lei, Yuchen, Leikin, Sergey, Leitinger, Gerd, Lemus, Leticia, Leng, Shuilong, Lenoir, Olivia, Lenz, Guido, Lenz, Heinz Josef, Lenzi, Paola, León, Yolanda, Leopoldino, Andréia, Leschczyk, Christoph, Leskelä, Stina, Letellier, Elisabeth, Leung, Chi-Ting, Leung, Po Sing, Leventhal, Jeremy, Levine, Beth, Lewis, Patrick, Ley, Klaus, Li, Bin, Li, Da-Qiang, Li, Jianming, Li, Jing, Li, Jiong, Li, Ke, Li, Liwu, Li, Mei, Li, Min, Li, Ming, Li, Mingchuan, Li, Pin-Lan, Li, Ming-Qing, Li, Qing, Li, Sheng, Li, Tiangang, Li, Wei, Li, Wenming, Li, Xue, Li, Yi-Ping, Li, Yuan, Li, Zhiqiang, Li, Zhiyong, Li, Zhiyuan, Lian, Jiqin, Liang, Chengyu, Liang, Qiangrong, Liang, Weicheng, Liang, Yongheng, Liang, YongTian, Liao, Guanghong, Liao, Lujian, Liao, Mingzhi, Liao, Yung-Feng, Librizzi, Mariangela, Lie, Pearl, Lilly, Mary, Lim, Hyunjung, Lima, Thania, Limana, Federica, Lin, Chao, Lin, Chih-Wen, Lin, Dar-Shong, Lin, Fu-Cheng, Lin, Jiandie, Lin, Kurt, Lin, Kwang-Huei, Lin, Liang-Tzung, LIN, Pei-Hui, Lin, Qiong, Lin, Shaofeng, Lin, Su-Ju, Lin, Wenyu, Lin, Xueying, Lin, Yao-Xin, Lin, Yee-Shin, Linden, Rafael, Lindner, Paula, Ling, Shuo-Chien, Lingor, Paul, Linnemann, Amelia, Liou, Yih-Cherng, Lipinski, Marta, Lipovšek, Saška, Lira, Vitor, Lisiak, Natalia, Liton, Paloma, Liu, Chao, Liu, Ching-Hsuan, Liu, Chun-Feng, Liu, Cui Hua, Liu, Fang, Liu, Hao, Liu, Hsiao-Sheng, Liu, Hua-feng, Liu, Huifang, Liu, Jia, Liu, Jing, Liu, Julia, Liu, Leyuan, Liu, Longhua, Liu, Meilian, Liu, Qin, Liu, Wei, Liu, Wende, Liu, Xiao-Hong, Liu, Xiaodong, Liu, Xingguo, Liu, Xu, Liu, Xuedong, Liu, Yanfen, Liu, Yang, Liu, Yueyang, Liu, Yule, Livingston, J Andrew, Lizard, Gerard, Lizcano, Jose, Ljubojevic-Holzer, Senka, LLeonart, Matilde, Llobet-Navàs, David, Llorente, Alicia, Lo, Chih Hung, Lobato-Márquez, Damián, Long, Qi, Long, Yun Chau, Loos, Ben, Loos, Julia, López, Manuela, López-Doménech, Guillermo, López-Guerrero, José Antonio, López-Jiménez, Ana, López-Pérez, Óscar, López-Valero, Israel, Lorenowicz, Magdalena, Lorente, Mar, Lorincz, Peter, Lossi, Laura, Lotersztajn, Sophie, Lovat, Penny, Lovell, Jonathan, Lovy, Alenka, Lőw, Péter, Lu, Guang, Lu, Haocheng, Lu, Jia-Hong, Lu, Jin-Jian, Lu, Mengji, Lu, Shuyan, Luciani, Alessandro, Lucocq, John, Ludovico, Paula, Luftig, Micah, Luhr, Morten, Luis-Ravelo, Diego, Lum, Julian, Luna-Dulcey, Liany, Lund, Anders, Lund, Viktor, Lünemann, Jan, Lüningschrör, Patrick, Luo, Honglin, Luo, Rongcan, Luo, Shouqing, Luo, Zhi, Luparello, Claudio, Lüscher, Bernhard, Luu, Luan, Lyakhovich, Alex, Lyamzaev, Konstantin, Lystad, Alf Håkon, Lytvynchuk, Lyubomyr, Ma, Alvin, Ma, Changle, Ma, Mengxiao, Ma, Ning-Fang, Ma, Quan-Hong, Ma, Xinliang, Ma, Yueyun, Ma, Zhenyi, MacDougald, Ormond, Macian, Fernando, MacIntosh, Gustavo, MacKeigan, Jeffrey, Macleod, Kay, Maday, Sandra, Madeo, Frank, Madesh, Muniswamy, Madl, Tobias, Madrigal-Matute, Julio, Maeda, Akiko, Maejima, Yasuhiro, Magarinos, Marta, Mahavadi, Poornima, Maiani, Emiliano, Maiese, Kenneth, Maiti, Panchanan, Maiuri, Maria Chiara, Majello, Barbara, Major, Michael, Makareeva, Elena, Malik, Fayaz, Mallilankaraman, Karthik, Malorni, Walter, Maloyan, Alina, Mammadova, Najiba, Man, Gene Chi Wai, Manai, Federico, Mancias, Joseph, Mandelkow, Eva-Maria, Mandell, Michael, Manfredi, Angelo, Manjili, Masoud, Manjithaya, Ravi, Manque, Patricio, Manshian, Bella, Manzano, Raquel, Manzoni, Claudia, Mao, Kai, Marchese, Cinzia, Marchetti, Sandrine, Marconi, Anna Maria, Marcucci, Fabrizio, Mardente, Stefania, Mareninova, Olga, Margeta, Marta, Mari, Muriel, Marinelli, Sara, Marinelli, Oliviero, Mariño, Guillermo, Mariotto, Sofia, Marshall, Richard, Marten, Mark, Martens, Sascha, Martin, Alexandre, Martin, Katie, Martin, Sara, Martin, Shaun, Martín-Segura, Adrián, Martín-Acebes, Miguel, Martin-Burriel, Inmaculada, Martin-Rincon, Marcos, Martin-Sanz, Paloma, Martina, José, Martinet, Wim, Martinez, Aitor, Martinez, Ana, Martinez, Jennifer, Martinez Velazquez, Moises, Martinez-Lopez, Nuria, Martinez-Vicente, Marta, Martins, Daniel, Martins, Joilson, Martins, Waleska, Martins-Marques, Tania, Marzetti, Emanuele, Masaldan, Shashank, Masclaux-Daubresse, Celine, Mashek, Douglas, Massa, Valentina, Massieu, Lourdes, Masson, Glenn, Masuelli, Laura, Masyuk, Anatoliy, Masyuk, Tetyana, Matarrese, Paola, Matheu, Ander, Matoba, Satoaki, Matsuzaki, Sachiko, Mattar, Pamela, Matte, Alessandro, Mattoscio, Domenico, Mauriz, José, Mauthe, Mario, Mauvezin, Caroline, Maverakis, Emanual, Maycotte, Paola, Mayer, Johanna, Mazzoccoli, Gianluigi, Mazzoni, Cristina, Mazzulli, Joseph, McCarty, Nami, Mcdonald, Christine, McGill, Mitchell, McKenna, Sharon, Mclaughlin, Bethann, McLoughlin, Fionn, McNiven, Mark, McWilliams, Thomas, Mechta-Grigoriou, Fatima, Medeiros, Tania Catarina, Medina, Diego, Megeney, Lynn, Megyeri, Klara, Mehrpour, Maryam, Mehta, Jawahar, Meijer, Alfred, Meijer, Annemarie, Mejlvang, Jakob, Meléndez, Alicia, Melk, Annette, Memisoglu, Gonen, Mendes, Alexandrina, Meng, Delong, Meng, Fei, Meng, Tian, Menna-Barreto, Rubem, Menon, Manoj, Mercer, Carol, Mercier, Anne, MERGNY, Jean-Louis, Merighi, Adalberto, Merkley, Seth, Merla, Giuseppe, Meske, Volker, Mestre, Ana Cecilia, Metur, Shree Padma, Meyer, Christian, Meyer, Hemmo, Mi, Wenyi, Mialet-Perez, Jeanne, Miao, Junying, Micale, Lucia, Miki, Yasuo, Milan, Enrico, Milczarek, Małgorzata, Miller, Dana, Miller, Samuel, Miller, Silke, Millward, Steven, Milosevic, Ira, Minina, Elena, Mirzaei, Hamed, Mirzaei, Hamid Reza, Mirzaei, Mehdi, Mishra, Amit, Mishra, Nandita, Mishra, Paras Kumar, Misirkic Marjanovic, Maja, Misasi, Roberta, Misra, Amit, Misso, Gabriella, Mitchell, Claire, Mitou, Geraldine, Miura, Tetsuji, Miyamoto, Shigeki, MIYAZAKI, Makoto, Miyazaki, Mitsunori, Miyazaki, Taiga, Miyazawa, Keisuke, Mizushima, Noboru, Mogensen, Trine, Mograbi, Baharia, Mohammadinejad, Reza, Mohamud, Yasir, Mohanty, Abhishek, Mohapatra, Sipra, Möhlmann, Torsten, Mohmmed, Asif, Moles, Anna, Moley, Kelle, Molinari, Maurizio, Mollace, Vincenzo, Møller, Andreas Buch, Mollereau, Bertrand, Mollinedo, Faustino, Montagna, Costanza, Monteiro, Mervyn, Montella, Andrea, Montes, L Ruth, Montico, Barbara, Mony, Vinod, Monzio Compagnoni, Giacomo, Moore, Michael, Moosavi, Mohammad, Mora, Ana, Mora, Marina, Morales-Alamo, David, Moratalla, Rosario, Moreira, Paula, Morelli, Elena, Moreno, Sandra, Moreno-Blas, Daniel, Moresi, Viviana, Morga, Benjamin, Morgan, Alwena, Morin, Fabrice, Morishita, Hideaki, Moritz, Orson, Moriyama, Mariko, Moriyasu, Yuji, Morleo, Manuela, Morselli, Eugenia, Moruno-Manchon, Jose, Moscat, Jorge, Mostowy, Serge, Motori, Elisa, Moura, Andrea 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Ney, Paul, Nezis, Ioannis, Ng, Charlene, Ng, Tzi Bun, Nguyen, Hang, Nguyen, Long, Ni, Hong-Min, Ní Cheallaigh, Clíona, Ni, Zhenhong, Nicolao, M Celeste, Nicoli, Francesco, Nieto-Diaz, Manuel, Nilsson, Per, Ning, Shunbin, Niranjan, Rituraj, Nishimune, Hiroshi, Niso-Santano, Mireia, Nixon, Ralph, Nobili, Annalisa, Nobrega, Clevio, Noda, Takeshi, Nogueira-Recalde, Uxía, Nolan, Trevor, Nombela, Ivan, Novak, Ivana, Novoa, Beatriz, Nozawa, Takashi, Nukina, Nobuyuki, Nussbaum-Krammer, Carmen, Nylandsted, Jesper, O'Donovan, Tracey, O'Leary, Seónadh, O'Rourke, Eyleen, O'Sullivan, Mary, O'Sullivan, Timothy, Oddo, Salvatore, Oehme, Ina, Ogawa, Michinaga, Ogier-Denis, Eric, Ogmundsdottir, Margret, Ogretmen, Besim, Oh, Goo Taeg, Oh, Seon-Hee, Oh, Young, Ohama, Takashi, Ohashi, Yohei, Ohmuraya, Masaki, Oikonomou, Vasileios, Ojha, Rani, Okamoto, Koji, Okazawa, Hitoshi, Oku, Masahide, Oliván, Sara, Oliveira, Jorge, Ollmann, Michael, Olzmann, James, Omari, Shakib, Omary, M Bishr, Önal, Gizem, Ondrej, 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Oliver, Schmitt, Roland, Schmidt, Stephen, Schmitz, Ingo, Schmukler, Eran, Schneider, Anja, Schneider, Bianca, Schober, Romana, Schoijet, Alejandra, Schott, Micah, Schramm, Michael, Schröder, Bernd, Schuh, Kai, Schüller, Christoph, Schulze, Ryan, Schürmanns, Lea, Schwamborn, Jens, Schwarten, Melanie, Scialo, Filippo, Sciarretta, Sebastiano, Scott, Melanie, Scotto, Kathleen, Scovassi, A Ivana, Scrima, Andrea, Scrivo, Aurora, Sebastian, David, Sebti, Salwa, Sedej, Simon, Segatori, Laura, Segev, Nava, Seglen, Per, Seiliez, Iban, Seki, Ekihiro, Selleck, Scott, Sellke, Frank, Selsby, Joshua, Sendtner, Michael, Senturk, Serif, Seranova, Elena, Sergi, Consolato, Serra-Moreno, Ruth, Sesaki, Hiromi, Settembre, Carmine, Setty, Subba Rao Gangi, Sgarbi, Gianluca, Sha, Ou, Shacka, John, Shah, Javeed, Shang, Dantong, Shao, Changshun, Shao, Feng, Sharbati, Soroush, Sharkey, Lisa, Sharma, Dipali, Sharma, Gaurav, Sharma, Kulbhushan, Sharma, Pawan, Sharma, Surendra, Shen, Han-Ming, Shen, Hongtao, Shen, Jiangang, Shen, Ming, Shen, Weili, Shen, Zheni, Sheng, Rui, Sheng, Zhi, Sheng, Zu-Hang, Shi, Jianjian, Shi, Xiaobing, Shi, Ying-Hong, Shiba-Fukushima, Kahori, Shieh, Jeng-Jer, Shimada, Yohta, Shimizu, Shigeomi, Shimozawa, Makoto, Shintani, Takahiro, Shoemaker, Christopher, Shojaei, Shahla, Shoji, Ikuo, Shravage, Bhupendra, Shridhar, Viji, Shu, Chih-Wen, Shu, Hong-Bing, Shui, Ke, Shukla, Arvind, Shutt, Timothy, Sica, Valentina, Siddiqui, Aleem, Sierra, Amanda, Sierra-Torre, Virginia, Signorelli, Santiago, Sil, Payel, Silva, Bruno, Silva, Johnatas, Silva-Pavez, Eduardo, Silvente-Poirot, Sandrine, Simmonds, Rachel, Simon, Anna Katharina, Simon, Hans-Uwe, Simons, Matias, Singh, Anurag, Singh, Lalit, Singh, Rajat, Singh, Shivendra, Singh, Shrawan, Singh, Sudha, Singh, Sunaina, Singh, Surinder Pal, Sinha, Debasish, Sinha, Rohit Anthony, Sinha, Sangita, Sirko, Agnieszka, Sirohi, Kapil, Sivridis, Efthimios, Skendros, Panagiotis, Skirycz, Aleksandra, Slaninová, Iva, Smaili, Soraya, Smertenko, Andrei, Smith, Matthew, Soenen, Stefaan, Sohn, Eun Jung, Sok, Sophia, Solaini, Giancarlo, Soldati, Thierry, Soleimanpour, Scott, Soler, Rosa, Solovchenko, Alexei, Somarelli, Jason, Sonawane, Avinash, Song, Fuyong, Song, Hyun Kyu, Song, Ju-Xian, Song, Kunhua, Song, Zhiyin, Soria, Leandro, Sorice, Maurizio, Soukas, Alexander, Soukup, Sandra-Fausia, Sousa, Diana, Sousa, Nadia, Spagnuolo, Paul, Spector, Stephen, Srinivas Bharath, M., St Clair, Daret, Stagni, Venturina, Staiano, Leopoldo, Stalnecker, Clint, Stankov, Metodi, Stathopulos, Peter, Stefan, Katja, Stefan, Sven Marcel, Stefanis, Leonidas, Steffan, Joan, Steinkasserer, Alexander, Stenmark, Harald, Sterneckert, Jared, Stevens, Craig, Stoka, Veronika, Storch, Stephan, Stork, Björn, Strappazzon, Flavie, Strohecker, Anne Marie, Stupack, Dwayne, Su, Huanxing, Su, Ling-Yan, Su, Longxiang, Suarez-Fontes, Ana, Subauste, Carlos, Subbian, Selvakumar, Subirada, Paula, Sudhandiran, Ganapasam, Sue, Carolyn, Sui, Xinbing, Summers, Corey, Sun, Guangchao, Sun, Jun, SUN, Kang, Sun, Meng-xiang, Sun, Qiming, Sun, Yi, Sun, Zhongjie, Sunahara, Karen, Sundberg, Eva, Susztak, Katalin, Sutovsky, Peter, Suzuki, Hidekazu, Sweeney, Gary, Symons, J David, Sze, Stephen Cho Wing, Szewczyk, Nathaniel, Tabęcka-Łonczynska, Anna, Tabolacci, Claudio, Tacke, Frank, Taegtmeyer, Heinrich, Tafani, Marco, Tagaya, Mitsuo, Tai, Haoran, Tait, Stephen, Takahashi, Yoshinori, Takats, Szabolcs, Talwar, Priti, Tam, Chit, Tam, Shing Yau, Tampellini, Davide, Tamura, Atsushi, Tan, Chong Teik, Tan, Eng-King, Tan, Ya-Qin, Tanaka, Masaki, Tanaka, Motomasa, Tang, Daolin, Tang, Jingfeng, Tang, Tie-Shan, Tanida, Isei, Tao, Zhipeng, Taouis, Mohammed, Tatenhorst, Lars, Tavernarakis, Nektarios, Taylor, Allen, Taylor, Gregory, Taylor, Joan, Tchetina, Elena, Tee, Andrew, Tegeder, Irmgard, Teis, David, Teixeira, Natercia, Teixeira-Clerc, Fatima, Tekirdag, Kumsal, Tencomnao, Tewin, Tenreiro, Sandra, Tepikin, Alexei, Testillano, Pilar, Tettamanti, Gianluca, Tharaux, Pierre-Louis, Thedieck, Kathrin, Thekkinghat, Arvind, Thellung, Stefano, Thinwa, Josephine, Thirumalaikumar, V.P., Thomas, Sufi Mary, Thomes, Paul, Thorburn, Andrew, Thukral, Lipi, Thum, Thomas, Thumm, Michael, Tian, Ling, Tichy, Ales, Till, Andreas, Timmerman, Vincent, Titorenko, Vladimir, Todi, Sokol, Todorova, Krassimira, Toivonen, Janne, Tomaipitinca, Luana, Tomar, Dhanendra, Tomas-Zapico, Cristina, Tomić, Sergej, Tong, Benjamin Chun-Kit, Tong, Chao, Tong, Xin, Tooze, Sharon, Torgersen, Maria, Torii, Satoru, Torres-López, Liliana, Torriglia, Alicia, Towers, Christina, Towns, Roberto, Toyokuni, Shinya, Trajkovic, Vladimir, Tramontano, Donatella, Tran, Quynh-Giao, Travassos, Leonardo, Trelford, Charles, Tremel, Shirley, Trougakos, Ioannis, Tsao, Betty, Tschan, Mario, Tse, Hung-Fat, Tse, Tak Fu, Tsugawa, Hitoshi, Tsvetkov, Andrey, Tumbarello, David, Tumtas, Yasin, Tuñón, María, Turcotte, Sandra, Turk, Boris, Turk, Vito, Turner, Bradley, Tuxworth, Richard, Tyler, Jessica, Tyutereva, Elena, Uchiyama, Yasuo, Ugun-Klusek, Aslihan, Uhlig, Holm, Ułamek-Kozioł, Marzena, Ulasov, Ilya, Umekawa, Midori, Ungermann, Christian, Unno, Rei, Urbe, Sylvie, Uribe-Carretero, Elisabet, Üstün, Suayib, Uversky, Vladimir, Vaccari, Thomas, Vaccaro, Maria, Vahsen, Björn, Vakifahmetoglu-Norberg, Helin, Valdor, Rut, Valente, Maria, Valko, Ayelén, Vallee, Richard, Valverde, Angela, Van Den Berghe, Greet, van der Veen, Stijn, Van Kaer, Luc, van Loosdregt, Jorg, van Wijk, Sjoerd, Vandenberghe, Wim, Vanhorebeek, Ilse, Vannier-Santos, Marcos, Vannini, Nicola, Vanrell, M Cristina, Vantaggiato, Chiara, Varano, Gabriele, Varela-Nieto, Isabel, Varga, Máté, Vasconcelos, M Helena, Vats, Somya, Vavvas, Demetrios, Vega-Naredo, Ignacio, Vega-Rubin-de-Celis, Silvia, Velasco, Guillermo, Velázquez, Ariadna, Vellai, Tibor, Vellenga, Edo, Velotti, Francesca, Verdier, Mireille, Verginis, Panayotis, Vergne, Isabelle, Verkade, Paul, Verma, Manish, Verstreken, Patrik, Vervliet, Tim, Vervoorts, Jörg, Vessoni, Alexandre, Victor, Victor, Vidal, Michel, Vidoni, Chiara, Vieira, Otilia, Vierstra, Richard, Viganó, Sonia, Vihinen, Helena, Vijayan, Vinoy, Vila, Miquel, Vilar, Marçal, Villalba, José, Villalobo, Antonio, Villarejo-Zori, Beatriz, Villarroya, Francesc, Villarroya, Joan, Vincent, Olivier, Vindis, Cecile, Viret, Christophe, Viscomi, Maria Teresa, Visnjic, Dora, Vitale, Ilio, Vocadlo, David, Voitsekhovskaja, Olga, Volonté, Cinzia, Volta, Mattia, Vomero, Marta, Von Haefen, Clarissa, Vooijs, Marc, Voos, Wolfgang, Vucicevic, Ljubica, Wade-Martins, Richard, Waguri, Satoshi, Waite, Kenrick, Wakatsuki, Shuji, Walker, David, Walker, Mark, Walker, Simon, Walter, Jochen, Wandosell, Francisco, Wang, Bo, Wang, Chao-Yung, Wang, Chen, Wang, Chenran, Wang, Chenwei, Wang, Cun-Yu, Wang, Dong, Wang, Fangyang, Wang, Feng, Wang, Fengming, Wang, Guansong, Wang, Han, Wang, Hao, Wang, Hexiang, Wang, Hong-Gang, Wang, Jianrong, Wang, Jigang, Wang, Jiou, Wang, Jundong, Wang, Kui, Wang, Lianrong, Wang, Liming, Wang, Maggie Haitian, Wang, Meiqing, Wang, Nanbu, Wang, PengWei, Wang, PeiPei, Wang, Ping, Wang, Qing Jun, Wang, Qing, Wang, Qing Kenneth, Wang, Qiong, Wang, Wen-Tao, Wang, Wuyang, Wang, Xinnan, Wang, Xuejun, Wang, Yan, Wang, Yanchang, Wang, Yanzhuang, Wang, Yen-Yun, Wang, Yihua, Wang, Yipeng, Wang, Yu, wang, yuqi, Wang, Zhe, Wang, Zhenyu, Wang, Zhouguang, Warnes, Gary, Warnsmann, Verena, Watada, Hirotaka, Watanabe, Eizo, Watchon, Maxinne, Wawrzyńska, Anna, Weaver, Timothy, Wegrzyn, Grzegorz, Wehman, Ann, Wei, Huafeng, Wei, Lei, Wei, Taotao, Wei, Yongjie, Weiergräber, Oliver, Weihl, Conrad, Weindl, Günther, Weiskirchen, Ralf, Wells, Alan, Wen, Runxia, Wen, Xin, Werner, Antonia, Weykopf, Beatrice, Wheatley, Sally, Whitton, J Lindsay, Whitworth, Alexander, Wiktorska, Katarzyna, Wildenberg, Manon, Wileman, Tom, Wilkinson, Simon, Willbold, Dieter, Williams, Brett, Williams, Robin, Williams, Roger, Williamson, Peter, Wilson, Richard, Winner, Beate, Winsor, Nathaniel, Witkin, Steven, Wodrich, Harald, Woehlbier, Ute, Wollert, Thomas, Wong, Esther, Wong, Jack Ho, Wong, Richard, Wong, Vincent Kam Wai, Wong, W Wei-Lynn, Wu, An-Guo, Wu, Chengbiao, Wu, Jian, Wu, Junfang, Wu, Kenneth, Wu, Min, Wu, Shan-Ying, Wu, Shengzhou, Wu, Shu-Yan, Wu, Shufang, Wu, William, Wu, Xiaohong, Wu, Xiaoqing, Wu, Yao-Wen, Wu, Yihua, Xavier, Ramnik, Xia, Hongguang, Xia, Lixin, Xia, Zhengyuan, Xiang, Ge, Xiang, Jin, Xiang, Mingliang, Xiang, Wei, Xiao, Bin, Xiao, Guozhi, Xiao, Hengyi, Xiao, Hong-tao, Xiao, Jian, Xiao, Lan, Xiao, Shi, Xiao, Yin, Xie, Baoming, Xie, Chuan-Ming, Xie, Min, Xie, Yuxiang, Xie, Zhiping, Xie, Zhonglin, Xilouri, Maria, Xu, Congfeng, Xu, En, Xu, Haoxing, Xu, Jing, Xu, Jinrong, Xu, Liang, Xu, Wen Wen, Xu, Xiulong, Xue, Yu, Yakhine-Diop, Sokhna, Yamaguchi, Masamitsu, Yamaguchi, Osamu, Yamamoto, Ai, Yamashina, Shunhei, Yan, Shengmin, Yan, Shian-Jang, Yan, Zhen, Yanagi, Yasuo, Yang, Chuanbin, Yang, Dun-Sheng, Yang, Huan, Yang, Huang-Tian, Yang, Hui, Yang, Jin-Ming, Yang, Jing, Yang, Jingyu, Yang, Ling, Yang, Liu, Yang, Ming, Yang, Pei-Ming, Yang, Qian, Yang, Seungwon, Yang, Shu, Yang, Shun-Fa, Yang, Wannian, Yang, Wei Yuan, Yang, Xiaoyong, Yang, Xuesong, Yang, Yi, Yang, Ying, Yao, Honghong, Yao, Shenggen, Yao, Xiaoqiang, Yao, Yong-Gang, Yao, Yong-Ming, Yasui, Takahiro, Yazdankhah, Meysam, Yen, Paul, Yi, Cong, Yin, Xiao-Ming, Yin, Yanhai, Yin, Zhangyuan, Yin, Ziyi, Ying, Meidan, Ying, Zheng, Yip, Calvin, Yiu, Stephanie Pei Tung, Yoo, Young, Yoshida, Kiyotsugu, Yoshii, Saori, Yoshimori, Tamotsu, Yousefi, Bahman, Yu, Boxuan, Yu, Haiyang, Yu, Jun, Yu, Li, Yu, Ming-Lung, Yu, Seong-Woon, Yu, Victor, Yu, W Haung, Yu, Zhengping, Yu, Zhou, Yuan, Junying, Yuan, Ling-Qing, Yuan, Shilin, Yuan, Shyng-Shiou, Yuan, Yanggang, Yuan, Zengqiang, Yue, Jianbo, Yue, Zhenyu, Yun, Jeanho, Yung, Raymond, Zacks, David, Zaffagnini, Gabriele, Zambelli, Vanessa, Zanella, Isabella, Zang, Qun, Zanivan, Sara, Zappavigna, Silvia, Zaragoza, Pilar, Zarbalis, Konstantinos, Zarebkohan, Amir, Zarrouk, Amira, Zeitlin, Scott, Zeng, Jialiu, Zeng, Ju-deng, Žerovnik, Eva, Zhan, Lixuan, Zhang, Bin, Zhang, Donna, Zhang, Hanlin, Zhang, Hong, Zhang, Honghe, Zhang, Huafeng, Zhang, Huaye, Zhang, Hui, Zhang, Hui-Ling, Zhang, Jianbin, Zhang, Jianhua, Zhang, Jing-Pu, Zhang, Kalin, Zhang, Leshuai, Zhang, Lin, Zhang, Lisheng, Zhang, Lu, Zhang, Luoying, Zhang, Menghuan, Zhang, Peng, Zhang, Sheng, Zhang, Wei, Zhang, Xiangnan, Zhang, Xiao-Wei, Zhang, Xiaolei, Zhang, Xiaoyan, Zhang, Xin, Zhang, Xinxin, Zhang, Xu Dong, Zhang, Yang, Zhang, Yanjin, Zhang, Yi, Zhang, Ying-Dong, Zhang, Yingmei, Zhang, Yuan-Yuan, Zhang, Yuchen, Zhang, Zhe, Zhang, Zhengguang, Zhang, Zhibing, Zhang, Zhihai, Zhang, Zhiyong, Zhang, Zili, Zhao, Haobin, Zhao, Lei, Zhao, Shuang, Zhao, Tongbiao, Zhao, Xiao-Fan, Zhao, Ying, Zhao, Yongchao, Zhao, Yongliang, Zhao, Yuting, Zheng, Guoping, Zheng, Kai, Zheng, Ling, Zheng, Shizhong, Zheng, Xi-Long, Zheng, Yi, Zheng, Zu-Guo, Zhivotovsky, Boris, Zhong, Qing, Zhou, Ao, Zhou, Ben, Zhou, Cefan, ZHOU, Gang, Zhou, Hao, Zhou, Hong, Zhou, Hongbo, Zhou, Jie, Zhou, Jing, Zhou, Jiyong, Zhou, Kailiang, Zhou, Rongjia, Zhou, Xu-jie, Zhou, Yanshuang, Zhou, Yinghong, Zhou, Yubin, Zhou, Zheng-Yu, Zhou, Zhou, Zhu, Binglin, Zhu, Changlian, Zhu, Guo-Qing, Zhu, Haining, Zhu, Hongxin, Zhu, Hua, Zhu, Wei-Guo, Zhu, Yanping, Zhu, Yushan, Zhuang, Haixia, Zhuang, Xiaohong, Zientara-Rytter, Katarzyna, Zimmermann, Christine, Ziviani, Elena, Zoladek, Teresa, Zong, Wei-Xing, Zorov, Dmitry, Zorzano, Antonio, Zou, Weiping, Zou, Zhen, Zou, Zhengzhi, Zuryn, Steven, Zwerschke, Werner, Brand-Saberi, Beate, Dong, X Charlie, Kenchappa, Chandra Shekar, Li, Zuguo, Lin, Yong, Oshima, Shigeru, Rong, Yueguang, Sluimer, Judith, Stallings, Christina, Tong, Chun-Kit, Ahmad, S. Tariq, Alim Al-Bari, M. Abdul, Bechara, Luiz R.G., Behrens, Georg M.N., Bhuiyan, Md. Shenuarin, Broaddus, V. Courtney, Buchan, J. Ross, Burón, M. Isabel, Carter, A. Brent, Chan, Matthew T.V., Choi, Augustine M.K., D’Adamo, Stefania, D’Amelio, Marcello, D’Arcangelo, Daniela, D’Lugos, Andrew, D’Orazi, Gabriella, De Meyer, Guido R.Y., Delpino, M. Victoria, Distler, Jörg H.W., Dixon, Ian M.C., Dobson, Renwick C.J., 2nd Dorn, Gerald, Eissa, N. Tony, Engelsen, Agnete S.T., Fairlie, W. Douglas, Ferreira, Julio C.B., H.B., Ranjitha, Hanson, Phyllis I., Hejtmancik, J. Fielding, Ho, Idy H.T., Hobbs, G. Aaron, Hoet, Peter H.M., Huang, Michael L.H., Iyer, Anand Krishnan V., Johnson, Gail V.W., Joosten, Leo A.B., Karim, Md. Razaul, Kaufmann, Stefan H.E., Ko, Ben C.B., Leck, Lionel Y.W., Lima, Thania R.R., Livingston, J. Andrew, Martin, Alexandre P.J., Montes, L. Ruth, Murphy, J. Patrick, Ng, Charlene C.W., Nicolao, M. Celeste, O’Donovan, Tracey, O’Leary, Seónadh, O’Rourke, Eyleen, O’Sullivan, Mary, O’Sullivan, Timothy, Omary, M. Bishr, Pereira, Gustavo J.S., Ratnayaka, J. Arjuna, Riazuddin, S. Amer, Rouschop, Kasper M.A., Sanderson, J. Thomas, Scaglione, K. Matthew, Schapira, Anthony H.V., Scovassi, A. Ivana, St. Clair, Daret, Sunahara, Karen K.S., Symons, J. David, Triola, Gemma, van Wijk, Sjoerd J.L., Vanrell, M. Cristina, Vasconcelos, M. Helena, Whitton, J. Lindsay, Williams, Robin S.B., Wong, W. Wei-Lynn, Wu, William K.K., Yakhine-Diop, Sokhna M.S., Yu, W. Haung, Zhang, Kalin Y.B., Dong, X. Charlie, Ain Shams University [ASU], Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University [JGU], Medical University Graz, Centre de Recherche des Cordeliers [CRC (UMR_S_1138 / U1138)], Institut Pasteur d'Iran, Leibniz Institute of Plant Biochemistry [IPB], The University of Texas M.D. Anderson Cancer Center [Houston], Institut de pharmacologie moléculaire et cellulaire [IPMC], Lipides - Nutrition - Cancer [Dijon - U1231] [LNC], Centre méditerranéen de médecine moléculaire [C3M], Institut de Biologie Valrose [IBV], Petites Molécules de neuroprotection, neurorégénération et remyélinisation, Signalisation Hormonale, Physiopathologie Endocrinienne et Métabolique, Institut Cochin [IC UM3 (UMR 8104 / U1016)], Institut NeuroMyoGène [INMG], Paris-Centre de Recherche Cardiovasculaire [PARCC (UMR_S 970/ U970)], Marqueurs cardiovasculaires en situation de stress [MASCOT (UMR_S_942 / U942)], Institut de Recherche sur le Cancer et le Vieillissement [IRCAN], Centre de Recherche en Cancérologie de Marseille [CRCM], Centre for Integrative Biology - CBI [Inserm U964 - CNRS UMR7104 - IGBMC], Oncogenesis, Stress, Signaling [OSS], Institut Necker Enfants-Malades [INEM - UM 111 (UMR 8253 / U1151)], Institut de Biologie Intégrative de la Cellule [I2BC], Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte [M2iSH], Centre de Recherches en Cancérologie de Toulouse [CRCT], Physiopathologie et traitement des maladies du foie, Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL], Institut de Génétique et de Biologie Moléculaire et Cellulaire [IGBMC], Laboratoire Bio-PeroxIL. Biochimie du peroxysome, inflammation et métabolisme lipidique [Dijon] [BIO-PEROXIL], Centre de recherche sur l'Inflammation [CRI (UMR_S_1149 / ERL_8252 / U1149)], Unité de génétique et biologie des cancers [U830], Laboratoire d'Optique et Biosciences [LOB], Institut des Maladies Métaboliques et Casdiovasculaires [UPS/Inserm U1297 - I2MC], Différenciation et communication neuronale et neuroendocrine [DC2N], Institut de Recherche en Cancérologie de Montpellier [IRCM - U1194 Inserm - UM], Centre d'Immunologie de Marseille - Luminy [CIML], Physiopathologie et imagerie des troubles neurologiques [PhIND], Laboratory of Fundamental and Applied Bioenergetics = Laboratoire de bioénergétique fondamentale et appliquée [LBFA], Imagine - Institut des maladies génétiques (IHU) [Imagine - U1163], Institut Mondor de Recherche Biomédicale [IMRB], Franco-czech Laboratory for clinical research on obesity, University of Michigan [Ann Arbor], University of Michigan System, Institut de pharmacologie moléculaire et cellulaire (IPMC), Centre National de la Recherche Scientifique (CNRS)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-Université Côte d'Azur (UCA), Lipides - Nutrition - Cancer [Dijon - U1231] (LNC), Université de Bourgogne (UB)-Institut National de la Santé et de la Recherche Médicale (INSERM)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Centre méditerranéen de médecine moléculaire (C3M), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Côte d'Azur (UCA), Institut de Biologie Valrose (IBV), COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Sud - Paris 11 (UP11), Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université de Paris (UP), Université Paris-Sud - Paris 11 (UP11)-Institut National de la Santé et de la Recherche Médicale (INSERM)-AP-HP Hôpital Bicêtre (Le Kremlin-Bicêtre), Nutrition, Métabolisme, Aquaculture (NuMéA), Université de Pau et des Pays de l'Adour (UPPA)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut Cochin (IC UM3 (UMR 8104 / U1016)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), Paris-Centre de Recherche Cardiovasculaire (PARCC - UMR-S U970), Hôpital Européen Georges Pompidou [APHP] (HEGP), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), Institut de Recherche sur le Cancer et le Vieillissement (IRCAN), COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Centre des Sciences du Goût et de l'Alimentation [Dijon] (CSGA), Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Université Bourgogne Franche-Comté [COMUE] (UBFC), Centre de Recherche en Cancérologie de Marseille (CRCM), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Paoli-Calmettes, Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Aix Marseille Université (AMU), Centre for Integrative Biology - CBI (Inserm U964 - CNRS UMR7104 - IGBMC), Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institute of genetics and molecular and cellular biology-Centre National de la Recherche Scientifique (CNRS), Chemistry, Oncogenesis, Stress and Signaling (COSS), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-CRLCC Eugène Marquis (CRLCC)-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Necker Enfants-Malades (INEM - UM 111 (UMR 8253 / U1151)), Unité de Nutrition Humaine (UNH), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Clermont Auvergne (UCA), Institut de Biologie Intégrative de la Cellule (I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre de Recherche en Nutrition Humaine d'Auvergne (CRNH d'Auvergne)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Clermont Auvergne (UCA), Institut des Maladies Neurodégénératives [Bordeaux] (IMN), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), Centre International de Recherche en Infectiologie - UMR (CIRI), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre de Recherches en Cancérologie de Toulouse (CRCT), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physiologie et Génomique des Poissons (LPGP), Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Hôpital Paul Brousse-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay, Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 (CIIL), Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille)-Centre National de la Recherche Scientifique (CNRS), Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), Laboratoire Bio-PeroxIL. Biochimie du peroxysome, inflammation et métabolisme lipidique [Dijon] (BIO-PEROXIL), Université de Bourgogne (UB)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Centre de recherche sur l'Inflammation (CRI (UMR_S_1149 / ERL_8252 / U1149)), Institut Jean-Pierre Bourgin (IJPB), AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Unité de génétique et biologie des cancers (U830), Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratoire d'Optique et Biosciences (LOB), École polytechnique (X)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM), Différenciation et communication neuronale et neuroendocrine (DC2N), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Recherche en Cancérologie de Montpellier (IRCM - U1194 Inserm - UM), CRLCC Val d'Aurelle - Paul Lamarque-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Centre d'Immunologie de Marseille - Luminy (CIML), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Physiopathologie et imagerie des troubles neurologiques (PhIND), Université de Caen Normandie (UNICAEN), Laboratory of Fundamental and Applied Bioenergetics = Laboratoire de bioénergétique fondamentale et appliquée (LBFA), Université Grenoble Alpes (UGA)-Institut National de la Santé et de la Recherche Médicale (INSERM), Epithelial biology and disease - Liliane Bettencourt Chair of Developmental Biology (Equipe Inserm U1163), Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), Biomécanique cellulaire et respiratoire (BCR), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Charles University [Prague]-Institut National de la Santé et de la Recherche Médicale (INSERM), This work was supported by the National Institute of General Medical Sciences [GM131919]., Université Paris-Sud - Paris 11 (UP11)-Institut National de la Santé et de la Recherche Médicale (INSERM), Marqueurs cardiovasculaires en situation de stress (MASCOT (UMR_S_942 / U942)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Groupe Hospitalier Saint Louis - Lariboisière - Fernand Widal [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Université Sorbonne Paris Nord, Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Physiopathologie des Adaptations Nutritionnelles (PhAN), Université de Nantes (UN)-Institut National de la Recherche Agronomique (INRA), Département Plateforme (PF I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut Gustave Roussy (IGR), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO), Chinese Academy of Medical Sciences [Suzhou, Chine] (CAMS), Karolinska Institutet [Stockholm], Karolinska University Hospital [Stockholm], Department of Women's and Children's Health [Stockholm, Sweden], Centre National de la Recherche Scientifique (CNRS)-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille)-Université de Lille-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP), Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-École polytechnique (X), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées, FHU OncoAge - Pathologies liées à l’âge [CHU Nice] (OncoAge), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA)-Institut de Pharmacologie Moléculaire et Cellulaire [UNIV Côte d'Azur] (UPMC), Institut Universitaire du Cancer de Toulouse - Oncopole (IUCT Oncopole - UMR 1037), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Institut National de la Santé et de la Recherche Médicale (INSERM), Life Sciences Institute [Ann Arbor, MI, USA], University of Michigan System-University of Michigan System, European Institute of Oncology IRCCS [Milan, Italy] (EIO), Ain Shams University (ASU), Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité), Réseau International des Instituts Pasteur (RIIP), Leibniz Institute of Plant Biochemistry (IPB), Hebrew University of Jerusalem, Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Université de Bourgogne (UB)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Agro Dijon, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Côte d'Azur (UCA), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Paris-Centre de Recherche Cardiovasculaire (PARCC (UMR_S 970/ U970)), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Aix Marseille Université (AMU)-Institut Paoli-Calmettes, Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Oncogenesis, Stress, Signaling (OSS), Institut des Maladies Métaboliques et Casdiovasculaires (UPS/Inserm U1297 - I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Grenoble Alpes (UGA), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Institut Mondor de Recherche Biomédicale (IMRB), Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Charles University [Prague] (CU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Klionsky, D. J., Abdel-Aziz, A. K., Abdelfatah, S., Abdellatif, M., Abdoli, A., Abel, S., Abeliovich, H., Abildgaard, M. H., Abudu, Y. P., Acevedo-Arozena, A., Adamopoulos, I. E., Adeli, K., Adolph, T. E., Adornetto, A., Aflaki, E., Agam, G., Agarwal, A., Aggarwal, B. B., Agnello, M., Agostinis, P., Agrewala, J. N., Agrotis, A., Aguilar, P. V., Ahmad, S. T., Ahmed, Z. M., Ahumada-Castro, U., Aits, S., Aizawa, S., Akkoc, Y., Akoumianaki, T., Akpinar, H. A., Al-Abd, A. M., Al-Akra, L., Al-Gharaibeh, A., Alaoui-Jamali, M. A., Alberti, S., Alcocer-Gomez, E., Alessandri, C., Ali, M., Alim Al-Bari, M. A., Aliwaini, S., Alizadeh, J., Almacellas, E., Almasan, A., Alonso, A., Alonso, G. D., Altan-Bonnet, N., Altieri, D. C., Alvarez, E. M. C., Alves, S., Alves da Costa, C., Alzaharna, M. M., Amadio, M., Amantini, C., Amaral, C., Ambrosio, S., Amer, A. O., Ammanathan, V., An, Z., Andersen, S. U., Andrabi, S. A., Andrade-Silva, M., Andres, A. M., Angelini, S., Ann, D., Anozie, U. C., Ansari, M. 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T., Balduini, W., Ballabio, A., Ballester, M., Balazadeh, S., Balzan, R., Bandopadhyay, R., Banerjee, S., Banreti, A., Bao, Y., Baptista, M. S., Baracca, A., Barbati, C., Bargiela, A., Barila, D., Barlow, P. G., Barmada, S. J., Barreiro, E., Barreto, G. E., Bartek, J., Bartel, B., Bartolome, A., Barve, G. R., Basagoudanavar, S. H., Bassham, D. C., Bast, R. C., Basu, A., Batoko, H., Batten, I., Baulieu, E. E., Baumgarner, B. L., Bayry, J., Beale, R., Beau, I., Beaumatin, F., Bechara, L. R. G., Beck, G. R., Beers, M. F., Begun, J., Behrends, C., Behrens, G. M. N., Bei, R., Bejarano, E., Bel, S., Behl, C., Belaid, A., Belgareh-Touze, N., Bellarosa, C., Belleudi, F., Bello Perez, M., Bello-Morales, R., Beltran, J. S. D. O., Beltran, S., Benbrook, D. M., Bendorius, M., Benitez, B. A., Benito-Cuesta, I., Bensalem, J., Berchtold, M. W., Berezowska, S., Bergamaschi, D., Bergami, M., Bergmann, A., Berliocchi, L., Berlioz-Torrent, C., Bernard, A., Berthoux, L., Besirli, C. G., Besteiro, S., Betin, V. M., Beyaert, R., Bezbradica, J. S., Bhaskar, K., Bhatia-Kissova, I., Bhattacharya, R., Bhattacharya, S., Bhattacharyya, S., Bhuiyan, M. S., Bhutia, S. K., Bi, L., Bi, X., Biden, T. J., Bijian, K., Billes, V. A., Binart, N., Bincoletto, C., Birgisdottir, A. B., Bjorkoy, G., Blanco, G., Blas-Garcia, A., Blasiak, J., Blomgran, R., Blomgren, K., Blum, J. S., Boada-Romero, E., Boban, M., Boesze-Battaglia, K., Boeuf, P., Boland, B., Bomont, P., Bonaldo, P., Bonam, S. R., Bonfili, L., Bonifacino, J. S., Boone, B. A., Bootman, M. D., Bordi, M., Borner, C., Bornhauser, B. C., Borthakur, G., Bosch, J., Bose, S., Botana, L. M., Botas, J., Boulanger, C. M., Boulton, M. E., Bourdenx, M., Bourgeois, B., Bourke, N. M., Bousquet, G., Boya, P., Bozhkov, P. V., Bozi, L. H. M., Bozkurt, T. O., Brackney, D. E., Brandts, C. H., Braun, R. J., Braus, G. H., Bravo-Sagua, R., Bravo-San Pedro, J. M., Brest, P., Bringer, M. -A., Briones-Herrera, A., Broaddus, V. C., Brodersen, P., Brodsky, J. L., Brody, S. L., Bronson, P. G., Bronstein, J. M., Brown, C. N., Brown, R. E., Brum, P. C., Brumell, J. H., Brunetti-Pierri, N., Bruno, D., Bryson-Richardson, R. J., Bucci, C., Buchrieser, C., Bueno, M., Buitrago-Molina, L. E., Buraschi, S., Buch, S., Buchan, J. R., Buckingham, E. M., Budak, H., Budini, M., Bultynck, G., Burada, F., Burgoyne, J. R., Buron, M. I., Bustos, V., Buttner, S., Butturini, E., Byrd, A., Cabas, I., Cabrera-Benitez, S., Cadwell, K., Cai, J., Cai, L., Cai, Q., Cairo, M., Calbet, J. A., Caldwell, G. A., Caldwell, K. A., Call, J. A., Calvani, R., Calvo, A. C., Calvo-Rubio Barrera, M., Camara, N. O. S., Camonis, J. H., Camougrand, N., Campanella, M., Campbell, E. M., Campbell-Valois, F. -X., Campello, S., Campesi, I., Campos, J. C., Camuzard, O., Cancino, J., Candido de Almeida, D., Canesi, L., Caniggia, I., Canonico, B., Canti, C., Cao, B., Caraglia, M., Carames, B., Carchman, E. H., Cardenal-Munoz, E., Cardenas, C., Cardenas, L., Cardoso, S. M., Carew, J. S., Carle, G. F., Carleton, G., Carloni, S., Carmona-Gutierrez, D., Carneiro, L. A., Carnevali, O., Carosi, J. M., Carra, S., Carrier, A., Carrier, L., Carroll, B., Carter, A. B., Carvalho, A. N., Casanova, M., Casas, C., Casas, J., Cassioli, C., Castillo, E. F., Castillo, K., Castillo-Lluva, S., Castoldi, F., Castori, M., Castro, A. F., Castro-Caldas, M., Castro-Hernandez, J., Castro-Obregon, S., Catz, S. D., Cavadas, C., Cavaliere, F., Cavallini, G., Cavinato, M., Cayuela, M. L., Cebollada Rica, P., Cecarini, V., Cecconi, F., Cechowska-Pasko, M., Cenci, S., Ceperuelo-Mallafre, V., Cerqueira, J. J., Cerutti, J. M., Cervia, D., Cetintas, V. B., Cetrullo, S., Chae, H. -J., Chagin, A. S., Chai, C. -Y., Chakrabarti, G., Chakrabarti, O., Chakraborty, T., Chami, M., Chamilos, G., Chan, D. W., Chan, E. Y. W., Chan, E. D., Chan, H. Y. E., Chan, H. H., Chan, H., Chan, M. T. V., Chan, Y. S., Chandra, P. 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E., Chung, H., Chung, K. P., Chung, S., Chung, S. -H., Chung, Y. -L., Cianfanelli, V., Ciechomska, I. A., Cifuentes, M., Cinque, L., Cirak, S., Cirone, M., Clague, M. J., Clarke, R., Clementi, E., Coccia, E. M., Codogno, P., Cohen, E., Cohen, M. M., Colasanti, T., Colasuonno, F., Colbert, R. A., Colell, A., Colic, M., Coll, N. S., Collins, M. O., Colombo, M. I., Colon-Ramos, D. A., Combaret, L., Comincini, S., Cominetti, M. R., Consiglio, A., Conte, A., Conti, F., Contu, V. R., Cookson, M. R., Coombs, K. M., Coppens, I., Corasaniti, M. T., Corkery, D. P., Cordes, N., Cortese, K., Costa, M. D. C., Costantino, S., Costelli, P., Coto-Montes, A., Crack, P. J., Crespo, J. L., Criollo, A., Crippa, V., Cristofani, R., Csizmadia, T., Cuadrado, A., Cui, B., Cui, J., Cui, Y., Culetto, E., Cumino, A. C., Cybulsky, A. V., Czaja, M. J., Czuczwar, S. J., D'Adamo, S., D'Amelio, M., D'Arcangelo, D., D'Lugos, A. C., D'Orazi, G., da Silva, J. A., Dafsari, H. S., Dagda, R. 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P., Whitton, J. L., Whitworth, A. J., Wiktorska, K., Wildenberg, M. E., Wileman, T., Wilkinson, S., Willbold, D., Williams, B., Williams, R. S. B., Williams, R. L., Williamson, P. R., Wilson, R. A., Winner, B., Winsor, N. J., Witkin, S. S., Wodrich, H., Woehlbier, U., Wollert, T., Wong, E., Wong, J. H., Wong, R. W., Wong, V. K. W., Wong, W. W. -L., Wu, A. -G., Wu, C., Wu, J., Wu, K. K., Wu, M., Wu, S. -Y., Wu, S., Wu, W. K. K., Wu, X., Wu, Y. -W., Wu, Y., Xavier, R. J., Xia, H., Xia, L., Xia, Z., Xiang, G., Xiang, J., Xiang, M., Xiang, W., Xiao, B., Xiao, G., Xiao, H., Xiao, H. -T., Xiao, J., Xiao, L., Xiao, S., Xiao, Y., Xie, B., Xie, C. -M., Xie, M., Xie, Y., Xie, Z., Xilouri, M., Xu, C., Xu, E., Xu, H., Xu, J., Xu, L., Xu, W. W., Xu, X., Xue, Y., Yakhine-Diop, S. M. S., Yamaguchi, M., Yamaguchi, O., Yamamoto, A., Yamashina, S., Yan, S., Yan, S. -J., Yan, Z., Yanagi, Y., Yang, C., Yang, D. -S., Yang, H., Yang, H. -T., Yang, J. -M., Yang, J., Yang, L., Yang, M., Yang, P. -M., Yang, Q., Yang, S., Yang, S. -F., Yang, W., Yang, W. Y., Yang, X., Yang, Y., Yao, H., Yao, S., Yao, X., Yao, Y. -G., Yao, Y. -M., Yasui, T., Yazdankhah, M., Yen, P. M., Yi, C., Yin, X. -M., Yin, Y., Yin, Z., Ying, M., Ying, Z., Yip, C. K., Yiu, S. P. T., Yoo, Y. H., Yoshida, K., Yoshii, S. R., Yoshimori, T., Yousefi, B., Yu, B., Yu, H., Yu, J., Yu, L., Yu, M. -L., Yu, S. -W., Yu, V. C., Yu, W. H., Yu, Z., Yuan, J., Yuan, L. -Q., Yuan, S., Yuan, S. -S. F., Yuan, Y., Yuan, Z., Yue, J., Yue, Z., Yun, J., Yung, R. L., Zacks, D. N., Zaffagnini, G., Zambelli, V. O., Zanella, I., Zang, Q. S., Zanivan, S., Zappavigna, S., Zaragoza, P., Zarbalis, K. S., Zarebkohan, A., Zarrouk, A., Zeitlin, S. O., Zeng, J., Zeng, J. -D., Zerovnik, E., Zhan, L., Zhang, B., Zhang, D. D., Zhang, H., Zhang, H. -L., Zhang, J., Zhang, J. -P., Zhang, K. Y. B., Zhang, L. W., Zhang, L., Zhang, M., Zhang, P., Zhang, S., Zhang, W., Zhang, X., Zhang, X. -W., Zhang, X. D., Zhang, Y., Zhang, Y. -D., Zhang, Y. -Y., Zhang, Z., Zhao, H., Zhao, L., Zhao, S., Zhao, T., Zhao, X. -F., Zhao, Y., Zheng, G., Zheng, K., Zheng, L., Zheng, S., Zheng, X. -L., Zheng, Y., Zheng, Z. -G., Zhivotovsky, B., Zhong, Q., Zhou, A., Zhou, B., Zhou, C., Zhou, G., Zhou, H., Zhou, J., Zhou, K., Zhou, R., Zhou, X. -J., Zhou, Y., Zhou, Z. -Y., Zhou, Z., Zhu, B., Zhu, C., Zhu, G. -Q., Zhu, H., Zhu, W. -G., Zhu, Y., Zhuang, H., Zhuang, X., Zientara-Rytter, K., Zimmermann, C. M., Ziviani, E., Zoladek, T., Zong, W. -X., Zorov, D. B., Zorzano, A., Zou, W., Zou, Z., Zuryn, S., Zwerschke, W., Brand-Saberi, B., Dong, X. C., Kenchappa, C. S., Lin, Y., Oshima, S., Rong, Y., Sluimer, J. C., Stallings, C. L., Tong, C. -K., and Centre National de la Recherche Scientifique (CNRS)
Subjects: 0301 basic medicine, Programmed cell death, Settore BIO/06, Autophagosome, Autolysosome, [SDV]Life Sciences [q-bio], lnfectious Diseases and Global Health Radboud Institute for Molecular Life Sciences [Radboudumc 4], Autophagy-Related Proteins, Review, Computational biology, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, Biology, Settore MED/04, 03 medical and health sciences, stress, Chaperone-mediated autophagy, ddc:570, Autophagy, LC3, Animals, Humans, cancer, Settore BIO/10, flux, lysosome, macroautophagy, neurodegeneration, phagophore, vacuole, Set (psychology), Molecular Biology, 030102 biochemistry & molecular biology, business.industry, Interpretation (philosophy), Autophagosomes, Cell Biology, Multicellular organism, 030104 developmental biology, Knowledge base, Biological Assay, Lysosomes, business, Biomarkers, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: Contains fulltext : 232759.pdf (Publisher’s version ) (Closed access) In 2008, we published the first set of guidelines for standardizing research in autophagy. Since then, this topic has received increasing attention, and many scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Thus, it is important to formulate on a regular basis updated guidelines for monitoring autophagy in different organisms. Despite numerous reviews, there continues to be confusion regarding acceptable methods to evaluate autophagy, especially in multicellular eukaryotes. Here, we present a set of guidelines for investigators to select and interpret methods to examine autophagy and related processes, and for reviewers to provide realistic and reasonable critiques of reports that are focused on these processes. These guidelines are not meant to be a dogmatic set of rules, because the appropriateness of any assay largely depends on the question being asked and the system being used. Moreover, no individual assay is perfect for every situation, calling for the use of multiple techniques to properly monitor autophagy in each experimental setting. Finally, several core components of the autophagy machinery have been implicated in distinct autophagic processes (canonical and noncanonical autophagy), implying that genetic approaches to block autophagy should rely on targeting two or more autophagy-related genes that ideally participate in distinct steps of the pathway. Along similar lines, because multiple proteins involved in autophagy also regulate other cellular pathways including apoptosis, not all of them can be used as a specific marker for bona fide autophagic responses. Here, we critically discuss current methods of assessing autophagy and the information they can, or cannot, provide. Our ultimate goal is to encourage intellectual and technical innovation in the field.
Published: 2021

16. Endosperm development is an autonomously programmed process independent of embryogenesis

Author: Meng-Xiang Sun, Wei Wang, and Hanxian Xiong
Subjects: 0106 biological sciences, 0301 basic medicine, Egg cell, animal structures, Zygote, Green Fluorescent Proteins, Arabidopsis, Plant Science, Biology, 01 natural sciences, Endosperm, 03 medical and health sciences, Human fertilization, Plant Cells, medicine, Arabidopsis thaliana, Arabidopsis Proteins, digestive, oral, and skin physiology, fungi, Embryogenesis, food and beverages, Membrane Proteins, Embryo, Cell Biology, biology.organism_classification, Plants, Genetically Modified, Cell biology, 030104 developmental biology, medicine.anatomical_structure, embryonic structures, Seeds, Cellularization, 010606 plant biology & botany
Abstract: The seeds of land plants contain three genetically distinct structures: the embryo, endosperm, and seed coat. The embryo and endosperm need to interact and exchange signals to ensure coordinated growth. Accumulating evidence has confirmed that embryo growth is supported by the nourishing endosperm and regulated by signals originating from the endosperm. Available data also support that endosperm development requires communication with the embryo. Here, using single-fertilization mutants, Arabidopsis dmp8/9 and gex2, we demonstrate that in the absence of a zygote and embryo, endosperm initiation, syncytium formation, free nuclear cellularization, and endosperm degeneration are as normal as in the wild type in terms of the cytological process and time course. Although rapid embryo expansion accelerates endosperm breakdown, our findings strongly suggest that endosperm development is an autonomously organized process, independent of egg cell fertilization and embryo–endosperm communication. This work confirms both the altruistic and self-directed nature of the endosperm during coordinated embryo-endosperm development. The findings provide novel insights into the intricate interaction between the two fertilization products and will help to distinguish the real roles of the signaling between endosperm and embryo. These finding also shed new light on agro-biotechnology for crop improvement.
Published: 2020

17. AtMIF1 increases seed oil content by attenuating GL2 inhibition

Author: Yanru Ren, Meng-Xiang Sun, Peng Zhao, Tianhe Cheng, and Jun Zou
Subjects: 0106 biological sciences, 0301 basic medicine, Physiology, Protein domain, Regulator, Arabidopsis, Plant Science, Genetically modified crops, Protein degradation, 01 natural sciences, 03 medical and health sciences, Gene Expression Regulation, Plant, Arabidopsis thaliana, Plant Oils, MYB, Plant breeding, Homeodomain Proteins, biology, Arabidopsis Proteins, food and beverages, biology.organism_classification, Plants, Genetically Modified, Cell biology, DNA-Binding Proteins, Plant Breeding, 030104 developmental biology, Vegetable oil, Seeds, 010606 plant biology & botany
Abstract: Vegetable oil is a major edible oil and an important industrial raw material. However, breeders have found it challenging to improve the oil content of crop seeds, and little is known about regulators with the potential to increase oil content via molecular engineering in modern oil crop breeding. We reported an F-box protein, Arabidopsis thaliana MYB Interaction Factor 1 (AtMIF1), which is a member of the ubiquitin-protein ligase E3 complex involved in the 26S proteasome protein degradation pathway. AtMIF1 physically interacts with MYB domain protein 5 (MYB5), which results in MYB5 degradation, so that transcriptional activation of the MYB/bHLH/WD-repeat (MBW) complex does not occur normally and GLABRA2 (GL2), encoding an inhibitor of oil content and functioning as a direct downstream gene of MBW, is not properly transcribed. AtMIF1 functioned as a positive regulator that increases oil content by attenuating GL2 inhibition. We overexpressed AtMIF1 and obtained transgenic plants with significantly higher seed oil contents. Importantly, both vegetative and reproductive growth of the transgenic plants appeared normal. In summary, this work reveals a novel regulator, AtMIF1, and a new regulatory pathway, 26S proteasome-AtMIF1-MYB5, for increasing the oil content of seeds without affecting plant growth, thus facilitating oil crop breeding.
Published: 2020

18. Diminished expression of major histocompatibility complex facilitates the use of human induced pluripotent stem cells in monkey

Author: Yansong Ren, Sifeng Chen, Yijun Li, Xiaoyu Tian, Meng Lu, Meng Xiang, and Xiaokai Wang
Subjects: 0301 basic medicine, Major histocompatibility complex, Induced Pluripotent Stem Cells, Wound healing, Medicine (miscellaneous), chemical and pharmacologic phenomena, Biochemistry, Genetics and Molecular Biology (miscellaneous), Stem cell immunogenicity, Cell Line, lcsh:Biochemistry, 03 medical and health sciences, 0302 clinical medicine, MHC class I, CIITA, Animals, Humans, lcsh:QD415-436, Induced pluripotent stem cell, Gene knockout, lcsh:R5-920, Innate immune system, biology, Research, Haplorhini, Cell Biology, Non-human primate, Cell biology, Killer Cells, Natural, Transplantation, 030104 developmental biology, Leukocytes, Mononuclear, biology.protein, Molecular Medicine, Stem cell, lcsh:Medicine (General), 030217 neurology & neurosurgery
Abstract: Background Stem cells, including induced pluripotent stem cells (iPSCs), have tremendous potential in health care, though with several significant limitations. Each of the limitations, including immunogenicity, may block most of the therapeutic potentials. Beta2 microglobulin (B2M) and MHC II transactivator (CIITA) are critical for MHC I and II, respectively. MHCs are responsible for immunogenic recognition. Methods B2M and CIITA were knocked out from human iPSCs, either separately or simultaneously. The effects of single or dual knockout of B2M and CIITA on iPSC properties were evaluated in a xenogeneic model of human-to-monkey transplantation. Results B2M or CIITA knockout in human induced pluripotent stem cells (iPSCs) diminishes the expression of MHC I or II alleles, respectively, without changing iPSC pluripotency. Dual knockout was better than either single knockout in preserving the ability of human iPSCs to reduce infiltration of T and B lymphocytes, survive, and promote wound healing in monkey wound lesions. The knockouts did not affect the xenogeneic iPSC-induced infiltration of macrophages and natural killer cells. They, however, decreased the iPSC-promoted proliferation of allogeneic peripheral blood mononuclear cells and T lymphocytes in vitro, although not so for B lymphocytes isolated from healthy human donors. Although the dual knockout cells survived long enough for suiting therapeutic needs, the cells eventually died, possibly due to innate immune response against them, thereby eliminating long-term risks. Conclusions Having these iPSCs with diminished immunogenicity-recognizable to allogeneic recipient may provide unlimited reproducible, universal, standardized “ready-to-use” iPSCs and relevant derivatives for clinical applications.
Published: 2020

19. Detection of Embryonic Suspensor Cell Death by Whole-Mount TUNEL Assay in Tobacco

Author: Pan Luo, Peng Zhao, Meng-Xiang Sun, and Ce Shi
Subjects: 0106 biological sciences, 0301 basic medicine, Programmed cell death, Plant Science, Biology, 01 natural sciences, tobacco, 03 medical and health sciences, Technical Note, programmed cell death, Ecology, Evolution, Behavior and Systematics, TUNEL, Whole mount, TUNEL assay, Ecology, Embryogenesis, Botany, Embryo, suspensor, Embryonic stem cell, Cell biology, 030104 developmental biology, Terminal deoxynucleotidyl transferase, QK1-989, embryogenesis, Suspensor, 010606 plant biology & botany
Abstract: Embryonic suspensor in angiosperms is a short-lived structure that connects the embryo to surrounding maternal tissues, which is necessary for early embryogenesis. Timely degeneration via programed cell death is the most distinct feature of the suspensor during embryogenesis. Therefore, the molecular mechanism regulating suspensor cell death is worth in-depth study for embryonic development. However, this process can hardly be detected using conventional methods since early embryos are deeply embedded in the seed coats and inaccessible through traditional tissue section. Hence, it is necessary to develop a reliable protocol for terminal deoxynucleotidyl transferase (TdT) dUTP Nick-End Labeling (TUNEL) analysis using limited living early embryos. Here, we provide a detailed protocol for the whole-mount detection of suspensor cell death using a TUNEL system in tobacco. This method is especially useful for the direct and rapid detection of the spatial-temporal characters of programed cell death during embryogenesis, as well as for the diminishment of the artifacts during material treatment by traditional methods.
Published: 2020

20. Three STIGMA AND STYLE STYLISTs Pattern the Fine Architectures of Apical Gynoecium and Are Critical for Male Gametophyte-Pistil Interaction

Author: Jie Zou, Meng-Xiang Sun, Xiongbo Peng, Hengwu Jiao, Jianjun Wu, Wenwei Li, and Xiaorong Huang
Subjects: 0301 basic medicine, Gynoecium, Arabidopsis, Flowers, Biology, medicine.disease_cause, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, 0302 clinical medicine, Gene Expression Regulation, Plant, Pollen, medicine, Gene family, Transcription factor, Gametophyte, Arabidopsis Proteins, food and beverages, Gene Expression Regulation, Developmental, Plants, Genetically Modified, Sexual reproduction, Cell biology, Stigma (anatomy), 030104 developmental biology, Pollen tube, General Agricultural and Biological Sciences, 030217 neurology & neurosurgery, Transcription Factors
Abstract: The gynoecium is derived from the fusion of carpels and is considered to have evolved from a simple setup followed by adaptive adjustment in cell type and tissue distribution to facilitate efficient sexual reproduction [1, 2]. As a sequence of the adjustment, the apical gynoecium differentiates into a stigma and a style. Both the structural patterning and functional specification of the apical gynoecium are critical for plant fertility [3, 4]. However, how the fine structures of the apical gynoecium are established at the interface interacting with pollen and pollen tubes remain to be elucidated. Here, we report a novel angiosperm-specific gene family, STIGMA AND STYLE STYLIST 1-3 (SSS1, SSS2, and SSS3). The SSS1 expresses predominately in the transmitting tract tissue of style, SSS2 expresses intensively in stigma, and SSS3 expresses mainly in stylar peripheral region round the transmitting tract. SSSs coregulate the patterning of the apical gynoecium via controlling cell expansion or elongation. Both the architecture and function of apical gynoecium can be affected by the alteration of SSS expression, indicating their critical roles in the establishment of a proper female interface for communication with pollen tubes. The NGATHA3 (NGA3) transcription factor [5, 6] can directly bind to SSSs promoter and control SSSs expression. Overexpression of SSSs could rescue the stylar defect of nga1nga3 double mutant, indicating their context in the same regulatory pathway. Our findings reveal a novel molecular mechanism responsible for patterning the fine architecture of apical gynoecium and establishing a proper interface for pollen tube growth, which is therefore crucial for plant sexual reproduction.
Published: 2020

21. Cell lineage-specific transcriptome analysis for interpreting cell fate specification of proembryos

Author: Zhenzhen Liu, Xuemei Zhou, Peng Zhao, Kun Shen, and Meng-Xiang Sun
Subjects: 0106 biological sciences, 0301 basic medicine, Cell type, animal structures, RNA, Untranslated, Zygote, Science, Cell, Arabidopsis, General Physics and Astronomy, Embryonic Development, Plant Development, Apical cell, Biology, Cell fate determination, 01 natural sciences, General Biochemistry, Genetics and Molecular Biology, Article, Transcriptome, 03 medical and health sciences, Gene Expression Regulation, Plant, medicine, Cell Lineage, Seed development, lcsh:Science, Transcription factor, Multidisciplinary, Gene Expression Profiling, Alternative splicing, Gene Expression Regulation, Developmental, General Chemistry, biology.organism_classification, Cell biology, 030104 developmental biology, medicine.anatomical_structure, embryonic structures, Seeds, lcsh:Q, RNA, Long Noncoding, 010606 plant biology & botany, Plant embryogenesis, Transcription Factors
Abstract: In Arabidopsis, a zygote undergoes asymmetrical cell division that establishes the first two distinct cell types of early proembryos, apical and basal cells. However, the genome-wide transcriptional activities that guide divergence of apical and basal cell development remain unknown. Here, we present a comprehensive transcriptome analysis of apical and basal cell lineages, uncovering distinct molecular pathways during cell lineage specification. Selective deletion of inherited transcripts and specific de novo transcription contribute to the establishment of cell lineage-specific pathways for cell fate specification. Embryo-related pathways have been specifically activated in apical cell lineage since 1-cell embryo stage, but quick transcriptome remodeling toward suspensor-specific pathways are found in basal cell lineage. Furthermore, long noncoding RNAs and alternative splicing isoforms may be involved in cell lineage specification. This work also provides a valuable lineage-specific transcriptome resource to elucidate the molecular pathways for divergence of apical and basal cell lineages at genome-wide scale., Asymmetric division of the Arabidopsis zygote produces apical and basal cells that mainly develop into embryo and suspensor, respectively. Here, Zhou et al. show that de novo transcription and selective RNA turnover establish distinct apical and basal transcriptomes as early as the 1-cell stage of embryo development.
Published: 2020

22. Autophagy-mediated compartmental cytoplasmic deletion is essential for tobacco pollen germination and male fertility

Author: Alice Y. Cheung, Peng Zhao, Xuemei Zhou, Meng-Xiang Sun, and Lin-Lin Zhao
Subjects: 0301 basic medicine, Proteomics, Cytoplasm, Autophagy-Related Proteins, Down-Regulation, Germination, Biology, medicine.disease_cause, 03 medical and health sciences, chemistry.chemical_compound, Pollen, Tobacco, medicine, Autophagy, Phosphatidylinositol, Gene Silencing, Molecular Biology, Aperture (botany), Plant Proteins, 030102 biochemistry & molecular biology, Phospholipase D, Autophagosomes, Cell Biology, Sperm, Lipids, Cell biology, Mitochondria, 030104 developmental biology, Fertility, chemistry, Pollen tube, Signal Transduction, Research Paper
Abstract: In plants, macroautophagy/autophagy has mainly been associated with stress-related processes but how it impacts normal physiological and developmental processes remains largely unexplored. Pollen germination is the critical first step toward fertilization in flowering plants. It is metabolically demanding and relies on high levels of cytoplasmic reorganization activities to support a dramatic morphological transformation that underlies the development of a pollen tube as the conduit to deliver sperm for fertilization. The role of autophagy in this process remains unclear. Here we provide evidence that pollen germination is accompanied by elevated autophagic activity and successful pollen tube emergence depends on autophagy-mediated cytoplasmic deletion. Genetic and cytological experiments demonstrate that inhibition of autophagy prevents pollen germination while induces the persistence of a layer of undegraded cytoplasm at the germination aperture. Together, these results unveil a novel compartmentalized autophagy. Furthermore, high-throughput comparative lipidomic analyses show that suppressed autophagy-induced inhibition of pollen germination is accompanied by altered profiles of stored and signaling lipids. Proteomic analyses reveal that autophagy likely exert its role in pollen germination via downstream mitochondria-related pathways. These findings reveal a critical role for autophagy in initiating pollen germination and provide evidences for compartmental cytoplasmic deletion being crucial for male fertility. Abbreviations: 3-MA: 3-methyladenine; ATG: autophagy-related gene; Cer: ceramide; CL: cardiolipin; Con A: concanamycin A; DAG: diradylglycerol; GO: gene ontology; HAG: hour after germination; LC-MS: liquid chromatography-mass spectrometry; MAG: min after germination; MDC: monodansylcadaverine; PE: phosphatidylethanolamine; PI: phosphatidylinositol; PLD: phospholipase D; PtdIns3K: phosphatidylinositol 3-kinase; RT-qPCR: quantitative real-time reverse transcription PCR; TAG: triradylglycerol; TEM: transmission electron microscopy; TMT: tandem mass tagging.
Published: 2020

23. Manual Isolation of Living Early Embryos from Tobacco Seeds

Author: Ce Shi, Peng Zhao, Meng-Xiang Sun, and Xuemei Zhou
Subjects: 0106 biological sciences, 0301 basic medicine, animal structures, food.ingredient, Zygote, Cell division, Nicotiana tabacum, Embryogenesis, food and beverages, Embryo, Biology, biology.organism_classification, 01 natural sciences, Cell biology, Transcriptome, 03 medical and health sciences, 030104 developmental biology, food, embryonic structures, Developmental biology, Cotyledon, 010606 plant biology & botany
Abstract: Zygotic embryogenesis is one of key processes for fertile seed development and therefore has gained great attention for decades in the field of plant developmental biology. However, this process is deeply embedded in the maternal tissues. The inaccessibility of tiny early embryos has greatly hindered the study of early embryogenesis, especially limits direct observation and accurate omics investigations. In order to investigate the molecular mechanism regulating embryo development with modern technologies, it is necessary to develop a reliable method to isolate living embryos at different stages. For this purpose, plant scientists have been trying to develop different methods for isolating zygotes and early embryos in different plants such as maize, wheat, rice, and tobacco during past decades. Nicotiana tabacum has long been considered as an ideal model eudicot for the study of embryogenesis, which displays a traceable and predictable cell division pattern, spanning from the first zygotic division to the mature embryo formation. Here, we provide a detailed protocol for isolating living embryos from zygote to cotyledon embryo. Isolated living zygotes and early embryos could be used for several important studies such as cell type-specific transcriptome construction and clear GFP observation.
Published: 2020

24. Protective effects of human induced pluripotent stem cell-derived exosomes on high glucose-induced injury in human endothelial cells

Author: Sifeng Chen, Ruiting Sun, Qianqian Ding, Dan Meng, Heng Zhang, Pingping Wang, Ning Sun, Alex. F. Chen, and Meng Xiang
Subjects: 0301 basic medicine, Tube formation, Cancer Research, Cell growth, Chemistry, induced pluripotent stem cells, Cell, General Medicine, Articles, exosomes, Cell cycle, Microvesicles, endothelial cells, Cell biology, high glucose, 03 medical and health sciences, 030104 developmental biology, medicine.anatomical_structure, Immunology and Microbiology (miscellaneous), Apoptosis, repair, medicine, Viability assay, Induced pluripotent stem cell
Abstract: Exosomes are a family of extracellular vesicles that are secreted from almost all types of cells and are associated with cell-to-cell communication. The present study was performed to investigate the effects of human induced pluripotent stem cell-derived exosomes (hiPSC-exo) on cell viability, capillary-like structure formation and senescence in endothelial cells exposed to high glucose. Exosomes were isolated from the conditional medium of hiPSCs and confirmed by transmission electron microscopy, nanoparticle tracking analysis and western blot analysis using Alix and cluster of differentiation-63 as markers. hiPSC-exo were labeled with PKH26 for tracking, and it was determined that spherical exosomes, with a typical cup-shape, were absorbed by human umbilical vascular endothelial cells (HUVECs). Cultured HUVECs were treated with high glucose (33 mM) with or without hiPSC-exo (20 µg/ml) for 48 h, and cell viability, capillary tube formation and senescence were assessed. When exposed to high glucose, viability and tube formation in HUVECs was significantly reduced (P
Published: 2018

25. The stereotyped positioning of the generative cell associated with vacuole dynamics is not required for male gametogenesis in rice pollen

Author: Xiaorong Huang, Fei Xie, Hong Chen, Meng-Xiang Sun, Wanying Mao, and Xiongbo Peng
Subjects: 0301 basic medicine, Physiology, Sterility, Germination, Plant Science, Vacuole, Biology, medicine.disease_cause, Gametogenesis, 03 medical and health sciences, Pollen, medicine, Pollen maturation, Plant Proteins, Gametophyte, food and beverages, Oryza, Sperm, Cell biology, 030104 developmental biology, medicine.anatomical_structure, Mutation, Vacuoles, Gamete
Abstract: During male gametogenesis in cereals, the generative cell undergoes a positioning process that parallels the dynamics of the central vacuole, which is believed to be associated with generative cell movement in the male gametophyte. However, the impact of the generative cell positioning and the central vacuole dynamics on male gametogenesis has remained poorly understood. Here, we report that OsGCD1 (GAMETE CELLS DEFECTIVE1) dysfunction influenced pollen development and disrupted pollen germination. Loss of function of OsGCD1 altered the central vacuole dynamics and the generative cell was mispositioned. Nevertheless, twin sperm cells were generated normally, indicating that gametogenesis does not rely on positional information as long as a generative cell is produced. The normal vacuole dynamics seems necessary only for pollen maturation and germination. Our findings also indicate that osgcd1 mutation resulted in rice male sterility in which pollen has full cell viability and generated normal gametes, but lacks the potential to germinate.
Published: 2018

26. RPL18aB helps maintain suspensor identity during early embryogenesis

Author: Fei Xie, Xiongbo Peng, Yameng Wang, Liyao Zhang, Hailong Yan, Hong Chen, Meng-Xiang Sun, Yang Sun, and Wanying Mao
Subjects: 0106 biological sciences, 0301 basic medicine, chemistry.chemical_classification, Programmed cell death, fungi, Embryogenesis, Embryo, Plant Science, Biology, biology.organism_classification, 01 natural sciences, Biochemistry, General Biochemistry, Genetics and Molecular Biology, Green fluorescent protein, Cell biology, 03 medical and health sciences, Multicellular organism, 030104 developmental biology, chemistry, Auxin, Arabidopsis thaliana, Suspensor, 010606 plant biology & botany
Abstract: During embryogenesis, plants are thought to use a mechanism that allows the suspensor to maintain its identity. Here, we reported that RPL18aB is involved in this mechanism in Arabidopsis thaliana. The suspensor cells proliferated in rpl18aB and formed a multicellular structure rather than undergo programmed cell death, as in wild type. Suspensors of rpl18aB expressed the embryo proper marker, DRN::GFP, but not the suspensor marker, WOX8::GFP. In addition, auxin accumulated throughout the suspensors of rpl18aB proembryos. Suspensor-specific expression of RPL18aB could rescue the cell proliferation defects in rpl18aB suspensors. These findings supported a role for RPL18aB in maintaining suspensor identity.
Published: 2018

27. H2O2 response gene 1/2 are novel sensors or responders of H2O2 and involve in maintaining embryonic root meristem activity in Arabidopsis thaliana

Author: Xiongbo Peng, Meng-Xiang Sun, Zhuang Yao, Feng Gong, and Yi Liu
Subjects: inorganic chemicals, 0106 biological sciences, 0301 basic medicine, Gene knockdown, Cell signaling, biology, Mutant, food and beverages, Plant Science, General Medicine, Meristem, biology.organism_classification, 01 natural sciences, Cell biology, 03 medical and health sciences, 030104 developmental biology, Arabidopsis, Genetics, Arabidopsis thaliana, Agronomy and Crop Science, Gene, Function (biology), 010606 plant biology & botany
Abstract: Signal molecule hydrogen peroxide (H2O2) plays critical roles in various processes of plant development. However, H2O2 signaling network, especially the responders that sense and respond to the H2O2 signal remain largely unknown. Here we report two homologous genes H2O2 Response Gene 1 and 2 (HRG1/2) in Arabidopsis that could quickly respond to exogenous or endogenous H2O2. Knockdown of HRG1/2 facilitated seed germination while overexpression of HRG1/2 greatly retarded seed germination. ROS level in HRG1 overexpression roots was significantly lower than that in HRG1/2 mutants after H2O2 treatment. The expression level of enzymatic antioxidant DHAR3 was upregulated in HRG1 overexpression plants, suggesting that DHAR3 is downstream of HRG1. That the root meristem length and cell number were significantly reduced in hrg1-1 and hrg2-1 plants upon H2O2 treatment compared to that of HRG1 overexpression plants also approves the idea that HRGs function in H2O2 removal. Further evolutionary analysis indicates that this is a dicotyledon-specific pathway responsive to H2O2. Together, this work reveals HRG1/2 as novel H2O2 responders involved in ROS scavenging to ensure embryonic root meristem activity. These findings provide valuable clues for the of H2O2 signaling and root meristem regulation.
Published: 2021

28. Acetylglutamate kinase is required for both gametophyte function and embryo development inArabidopsis thaliana

Author: Ying Yu, Hailong Yan, Fei Xie, Meng-Xiang Sun, Dan Chen, Liyao Zhang, Jie Huang, and Xiongbo Peng
Subjects: 0106 biological sciences, 0301 basic medicine, Gametophyte, Arginine transport, biology, Arginine, Mutant, food and beverages, Plant Science, biology.organism_classification, 01 natural sciences, Biochemistry, General Biochemistry, Genetics and Molecular Biology, Cell biology, Complementation, 03 medical and health sciences, 030104 developmental biology, Arabidopsis, Botany, biology.protein, Arabidopsis thaliana, 010606 plant biology & botany, Acetylglutamate kinase
Abstract: The specific functions of the genes encoding arginine biosynthesis enzymes in plants are not well characterized. We report the isolation and characterization of Arabidopsis thaliana N-acetylglutamate kinase (NAGK), which catalyzes the second step of arginine biosynthesis. NAGK is a plastid-localized protein and is expressed during most developmental processes in Arabidopsis. Heterologous expression of the Arabidopsis NAGK gene in a NAGK-deficient Escherichia coli strain fully restores bacterial growth on arginine-deficient medium. nagk mutant pollen tubes grow more slowly than wild type pollen tubes and the phenotype is restored by either specifically through complementation by NAGK in pollen, or exogenous supplementation of arginine. nagk female gametophytes are defective in micropylar pollen tube guidance due to the fact that female gametophyte cell fate specification was specifically affected. Expression of NAGK in synergid cells rescues the defect of nagk female gametophytes. Loss-of-function of NAGK results in Arabidopsis embryos not developing beyond the four-celled embryo stage. The embryo-defective phenotype in nagk/NAGK plants cannot be rescued by watering nagk/NAGK plants with arginine or ornithine supplementation. In conclusion, our results reveal a novel role of NAGK and arginine in regulating gametophyte function and embryo development, and provide valuable insights into arginine transport during embryo development.
Published: 2017

29. Intracellular Reactive Oxygen Species Mediate the Therapeutic Effect of Induced Pluripotent Stem Cells for Acute Kidney Injury

Author: Huijun Xu, Sifeng Chen, Meng Xiang, Rong Xue, Yijun Li, Meng Lu, Xiaoyu Tian, Zhibin Ye, Shun Wang, and Haochen Guan
Subjects: Male, Aging, Article Subject, Induced Pluripotent Stem Cells, Pharmacology, Biochemistry, Proinflammatory cytokine, Mice, medicine, Animals, Humans, Induced pluripotent stem cell, Cells, Cultured, chemistry.chemical_classification, Reactive oxygen species, Kidney, QH573-671, Renal ischemia, urogenital system, Acute kidney injury, Cell Biology, General Medicine, Acute Kidney Injury, medicine.disease, medicine.anatomical_structure, chemistry, Apoptosis, Cytology, Reactive Oxygen Species, Reperfusion injury, Research Article
Abstract: Aims. Treatment for acute kidney injury (AKI) is challenging. Induced pluripotent stem cells (iPSCs) have great therapeutic potential. This study sought to determine whether iPSCs attenuate AKI and the role of reactive oxygen species (ROS). Results. We intravenously injected isogenic iPSCs into mice 2 h after renal ischemia-reperfusion injury (IRI). The cells were selectively trafficked to ischemia/reperfusion-injured kidney where they decreased kidney ROS and inflammatory cytokines and improved kidney function and morphology. Pretreating the cells with ROS inhibitors before administration decreased iPSC engraftment and abolished the protective effect of iPSCs. In contrast, pretreating iPSCs with hydrogen peroxide increased iPSC engraftment and therapeutic effect. Although the intravenously administered iPSCs trafficked to the IRI kidney, the cells did not differentiate into proximal or distal tubular epithelial cells. In vitro, the capabilities of the iPSC-released substances to promote proliferation and decrease apoptosis of renal epithelial cells were increased by ROS pretreatment of iPSCs. Moreover, pretreatment of the iPSCs with ROS inhibitor had the opposite effect. Similarly, moderate concentrations of ROS increased while ROS inhibitors decreased iPSC mobility, adhesion to the extracellular matrix, and mitochondrial metabolism. Innovation and Conclusion. iPSCs decreased renal ischemia/reperfusion injury mainly through iPSC-released substances. The therapeutic effect, mitochondrial metabolism, mobility, and kidney trafficking of iPSCs were ROS dependent.
Published: 2019

30. Two-Step Maternal-to-Zygotic Transition with Two-Phase Parental Genome Contributions

Author: Xuemei Zhou, Yanbing Cheng, Zhenzhen Liu, Xiongbo Peng, Meng-Xiang Sun, Tianhe Cheng, Peng Zhao, Kun Shen, and Danni Liu
Subjects: Egg cell, Arabidopsis, General Biochemistry, Genetics and Molecular Biology, Zygote elongation, Transcriptome, 03 medical and health sciences, 0302 clinical medicine, Gene Expression Regulation, Plant, medicine, RNA, Messenger, Molecular Biology, 030304 developmental biology, Plant Proteins, Genetics, 0303 health sciences, Zygote, biology, Embryogenesis, Gene Expression Regulation, Developmental, Embryo, Cell Biology, biology.organism_classification, medicine.anatomical_structure, Seeds, Maternal to zygotic transition, 030217 neurology & neurosurgery, Genome, Plant, Developmental Biology
Abstract: The maternal-to-zygotic transition (MZT) is an essential developmental turning point in both plants and animals. In plants, the timing of MZT and parental contributions to the zygotic transcriptome remain unclear. Here, by overcoming technical limitations, we characterize the Arabidopsis egg cell, zygote, and embryo transcriptomes across multiple stages. Using these datasets, we demonstrate that MZT occurs during zygote development and is a two-step interrelated process of rapid maternal transcript degradation followed by large-scale de novo transcription. Parental contributions to the zygotic transcriptome are stage-dependent: the spherical zygote is characterized by a maternally dominated transcriptome, whereas the elongated zygote transcriptome shows equal parental contributions. Our results show that plant MZT is similar to that in animals, showing a typical two-step process, and that zygotic genome activation is required for zygote elongation and division, indicating that de novo transcripts are essential for the establishment of zygote polarity and embryogenesis promotion.
Published: 2018

31. Epigenetic regulation and intercellular communication during male gametophyte development

Author: Meng-Xiang Sun and Xiaorong Huang
Subjects: 0106 biological sciences, 0301 basic medicine, Gametophyte, Transposable element, Small interfering RNA, Physiology, Cell, Cell Communication, Plant Science, Cell fate determination, Biology, 01 natural sciences, Epigenesis, Genetic, Cell biology, Magnoliopsida, 03 medical and health sciences, 030104 developmental biology, medicine.anatomical_structure, medicine, Pollen, Epigenetics, Agronomy and Crop Science, Intracellular, Histone variants, 010606 plant biology & botany
Abstract: The male gametophyte of angiosperms has long been recognized as an ideal system for the study of the molecular mechanisms regulating cell fate determination. Recent findings on histone variants in two cell lineages, vegetative-cell-derived small interfering RNA and transposable element expression provide new power for relevant investigations.
Published: 2021

32. Expression ofVitis amurensis NAC26in Arabidopsis enhances drought tolerance by modulating jasmonic acid synthesis

Author: Lingye Su, Xiaoming Sun, Linchuan Fang, Shuang Fang, Xinbo Li, Meng-Xiang Sun, Jinfang Chu, Shaohua Li, Haiping Xin, and Sospeter Karanja Karungo
Subjects: 0106 biological sciences, 0301 basic medicine, Drought stress, Physiology, JA biosynthesis, Transgene, Drought tolerance, Arabidopsis, Cyclopentanes, Plant Science, Genetically modified crops, Biology, Genes, Plant, 01 natural sciences, Antioxidants, Transcriptome, 03 medical and health sciences, chemistry.chemical_compound, Plant Growth Regulators, Gene Expression Regulation, Plant, Botany, Vitis, transcriptional regulation, Oxylipins, wine.grape_variety, Dehydration, Gene Expression Profiling, Jasmonic acid, Wild type, food and beverages, ROS, Plants, Genetically Modified, biology.organism_classification, Cell biology, 030104 developmental biology, chemistry, wine, VaNAC26, Vitis amurensis, Transcription Factors, Research Paper, 010606 plant biology & botany
Abstract: Highlight VaNAC26, a member of the NAC gene family from the wild species Vitis amurensis, plays an important role in drought tolerance by positively modulating jasmonic acid synthesis and enhancing the antioxidant system., The growth and fruit quality of grapevines are widely affected by abnormal climatic conditions such as water deficits, but many of the precise mechanisms by which grapevines respond to drought stress are still largely unknown. Here, we report that VaNAC26, a member of the NAC transcription factor family, was upregulated dramatically during cold, drought and salinity treatments in Vitis amurensis, a cold and drought-hardy wild Vitis species. Heterologous overexpression of VaNAC26 enhanced drought and salt tolerance in transgenic Arabidopsis. Higher activities of antioxidant enzymes and lower concentrations of H2O2 and O2 − were found in VaNAC26-OE lines than in wild type plants under drought stress. These results indicated that scavenging by reactive oxygen species (ROS) was enhanced by VaNAC26 in transgenic lines. Microarray-based transcriptome analysis revealed that genes related to jasmonic acid (JA) synthesis and signaling were upregulated in VaNAC26-OE lines under both normal and drought conditions. VaNAC26 showed a specific binding ability on the NAC recognition sequence (NACRS) motif, which broadly exists in the promoter regions of upregulated genes in transgenic lines. Endogenous JA content significantly increased in the VaNAC26-OE lines 2 and 3. Our data suggest that VaNAC26 responds to abiotic stresses and may enhance drought tolerance by transcriptional regulation of JA synthesis in Arabidopsis.
Published: 2016

33. A VPE-like protease NtTPE8 exclusively expresses in the integumentary tapetum and is involved in seed development

Author: Nantian Zhao, Wei Wang, Rongxin Lin, Hanxian Xiong, Peng Zhao, and Meng-Xiang Sun
Subjects: 0106 biological sciences, 0301 basic medicine, Proteases, Programmed cell death, medicine.medical_treatment, Plant Science, Legumain, 01 natural sciences, Biochemistry, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, Tobacco, medicine, Caspase, Plant Proteins, Tapetum, Protease, biology, Integumentary system, Cysteine protease, Cell biology, 030104 developmental biology, Caspases, Seeds, biology.protein, 010606 plant biology & botany
Abstract: Programmed cell death (PCD) is an essential process for development, and shows conserved cytological features in both plants and animals. Caspases are well-known critical components of the PCD machinery in animals. However, currently few typical counterparts have been identified in plants and only several caspase-like proteases are known to be involved in plant PCD, indicating the existence of great challenge for confirming new caspase-like proteases and elucidating the mechanisms regulating plant PCD. Here, we report a novel cysteine protease, NtTPE8, which was extracted from tobacco seeds and confirmed as a new caspase-like protease. Recombinant NtTPE8 exhibited legumain and caspase-like proteolytic activities, both of which could be inhibited by the pan-caspase inhibitor (Z-VAD-FMK). Notably, NtTPE8 possessed several caspase activities and the capacity to cleave the cathepsin H substrate FVR, indicating a unique character of NtTPE8. NtTPE8 was exclusively expressed in the integumentary tapetum and thus, is the first specific molecular marker reported to date for this cell type. Down-regulation of NtTPE8 caused seed abortion, via disturbing early embryogenesis, indicating its critical role in embryogenesis and seed development. In conclusion, we identified a novel caspase-like cysteine protease, NtTPE8, exclusively expressed in the integumentary tapetum that is involved in seed development.
Published: 2018

34. Comparative Analysis of WUSCHEL-Related Homeobox Genes Revealed Their Parent-of-Origin and Cell Type-Specific Expression Pattern During Early Embryogenesis in Tobacco

Author: Xuemei Zhou, Yingying Guo, Meng-Xiang Sun, and Peng Zhao
Subjects: 0106 biological sciences, 0301 basic medicine, Plant Science, Apical cell, Biology, basal cell, lcsh:Plant culture, 01 natural sciences, tobacco, transcription repressive activity, 03 medical and health sciences, early embryo, lcsh:SB1-1110, Gene, Original Research, WUSCHEL-related homeobox gene, Zygote, Embryogenesis, Embryo, Meristem, Cell biology, 030104 developmental biology, Homeobox, apical cell, Suspensor, 010606 plant biology & botany
Abstract: WUSCHEL-related homeobox (WOX) gene is a plant-specific clade of homeobox transcription factors. Increasing evidences reveal that WOXs play critical roles in early embryogenesis, which involves zygote development, initiation of zygote division, and apical or basal cell lineage establishment. However, how WOXs regulate these developmental events remains largely unknown, and even detailed expression pattern in gametes and early proembryos is not yet available. Here, 13 WOX family genes were identified in Nicotiana tabacum genome. Comparative analysis of 13 WOX family genes with their homologs in Arabidopsis thaliana reveals relatively conserved expression pattern of WUS and WOX5 in shoot/root apical meristem. Whereas variations were also found, e.g., lacking homolog of WOX8 (a marker for suspensor cell) in tobacco genome and the expression of WOX2/WOX9 in both apical cell and basal cell. Transient transcriptional activity analysis revealed that WOXs in WUS clade have repressive activities for their target's transcription, whereas WOXs in ancient and intermediate clade have activation activities, giving a molecular basis for the phylogenetic classification of tobacco WOXs into three major clades. Expression pattern analysis revealed that some WOXs (e.g., WOX 13a) expressed in both male and female gametes and some WOXs (e.g., WOX 11 and WOX 13b) displayed the characteristics of parent-of-origin genes. Interestingly, some WOXs (e.g., WOX2 and WOX9), which are essential for early embryo patterning, were de novo transcribed in zygote, indicating relevant mechanism for embryo pattern formation is only established in zygote right after fertilization and not carried in by gametes. We also found that most WOXs displayed a stage-specific and cell type-specific expression pattern. Taken together, this work provides a detailed landscape of WOXs in tobacco during fertilization and early embryogenesis, which will facilitate the understanding of their specific roles in these critical developmental processes of embryogenesis.
Published: 2018

35. Proteomic analysis of human prostate cancer PC-3M-1E8 cells and PC-3M-2B4 cells of same origin but with different metastatic potential

Author: Jianhui Wu, Rongfu Yang, Zhonghui Wang, Li Zhou, Zuyue Sun, Shujiang Zhang, Li Xu, Shunheng Yao, Meng Xiang, and Chengcheng Zheng
Subjects: Male, Proteomics, 0301 basic medicine, MMP1, Protein Expression, Muscle Proteins, lcsh:Medicine, Biochemistry, Metastasis, Prostate cancer, 0302 clinical medicine, Cell Movement, Basic Cancer Research, Medicine and Health Sciences, Gene Regulatory Networks, Small interfering RNAs, Protein Interaction Maps, Neoplasm Metastasis, lcsh:Science, Multidisciplinary, medicine.diagnostic_test, Prostate Cancer, Intracellular Signaling Peptides and Proteins, Prostate Diseases, Cell migration, LIM Domain Proteins, Nucleic acids, Cell Motility, Oncology, 030220 oncology & carcinogenesis, Matrix Metalloproteinase 1, Research Article, Urology, Cell Migration, Biology, Research and Analysis Methods, 03 medical and health sciences, Western blot, Cell Line, Tumor, Gene Expression and Vector Techniques, Genetics, medicine, Humans, Vimentin, Molecular Biology Techniques, Non-coding RNA, Molecular Biology, Molecular Biology Assays and Analysis Techniques, Gene Expression Profiling, lcsh:R, Prostatic Neoplasms, Cancers and Neoplasms, Biology and Life Sciences, Proteins, Cancer, Cell Biology, medicine.disease, Gene regulation, Gene expression profiling, Genitourinary Tract Tumors, Cytoskeletal Proteins, 030104 developmental biology, Genetic Loci, Cell culture, Cancer research, RNA, lcsh:Q, Gene expression, Developmental Biology
Abstract: Prostate cancer (PCa) is the second most frequently diagnosed cancer and the fifth leading cause of death from cancer in men worldwide. Increased understanding of the prostate cancer metastasis mechanisms will help identify more efficient intervention strategies to prevent or treat this deadly disease in the future. To identify the candidate proteins that contribute to metastasis of PCa, isobaric tags for relative and absolute quantitation (iTRAQ)-based proteomic analysis was performed to explore differentially expressed proteins between two homologous human prostate cancer cell lines including highly-metastatic PC-3M-1E8 cell line and poorly-metastatic PC-3M-2B4 cell line. Here, a total of 58 proteins were identified to be significantly differentially expressed between PC-3M-1E8 and PC-3M-2B4 cells, which were further verified using real-time quantitative PCR and western blot analysis. The bioinformatic analysis suggested that the differentially expressed proteins, like MMP1 and FHL1, may contribute to the higher metastatic ability of PC-3M-1E8 cells than PC-3M-2B4 cells. In addition, functional analyses proved MMP1’s positive effect on the higher metastatic ability of PC-3M-1E8 cells than PC-3M-2B4 cells. These findings provided a unique resource to specifically reveal the complex molecular regulatory mechanisms underlying the progression of prostate cancer from poorly-metastatic to highly-metastatic stage.
Published: 2018

36. Pre-existing interleukin 10 in cerebral arteries attenuates subsequent brain injury caused by ischemia/reperfusion

Author: Sifeng Chen, Qiujuan Liang, Mei Jiang, Xinhong Wang, Li-Li Le, Ning Sun, Meng Xiang, and Dan Meng
Subjects: medicine.medical_specialty, business.industry, Genetic enhancement, Clinical Biochemistry, Cerebral arteries, Ischemia, Cell Biology, In situ hybridization, medicine.disease, Biochemistry, Heme oxygenase, Interleukin 10, Internal medicine, Occlusion, Genetics, Cardiology, Medicine, cardiovascular diseases, business, Molecular Biology, Reperfusion injury
Abstract: Recurrent stroke is difficult to treat and life threatening. Transfer of anti-inflammatory gene is a potential gene therapy strategy for ischemic stroke. Using recombinant adeno-associated viral vector 1 (rAAV1)-mediated interleukin 10 (IL-10), we investigated whether transfer of beneficial gene into the rat cerebral vessels during interventional treatment for initial stroke could attenuate brain injury caused by recurrent stroke. Male Wistar rats were administered rAAV1-IL-10, rAAV1-YFP, or saline into the left cerebral artery. Three weeks after gene transfer, rats were subjected to occlusion of the left middle cerebral artery (MCAO) for 45 min followed by reperfusion for 24 h. IL-10 levels in serum were significantly elevated 3 weeks after rAAV1-IL-10 injection, and virus in the cerebral vessels was confirmed by in situ hybridization. Pre-existing IL-10 but not YFP decreased the neurological dysfunction scores, brain infarction volume, and the number of injured neuronal cells. AAV1-IL-10 transduction increased heme oxygenase (HO-1) mRNA and protein levels in the infarct boundary zone of the brain. Thus, transduction of the IL-10 gene in the cerebral artery prior to ischemia attenuates brain injury caused by ischemia/reperfusion in rats. This preventive approach for recurrent stroke can be achieved during interventional treatment for initial stroke.
Published: 2015

37. Cell-Cell Communication among the Component Cells of Female Gametophyte and between Male and Female Gametophytes

Author: XiongBo Peng and Meng-Xiang Sun
Subjects: Gametophyte, Egg cell, Cell signaling, Biology, Sperm, Cell biology, Double fertilization, medicine.anatomical_structure, Human fertilization, Botany, medicine, Gamete, Pharmacology (medical), Ovule
Abstract: Double fertilization in angiosperm is a complex and tightly regulated process. Successful fertilization depends on the development of gametophytes and the communication between female and male gametophytes. Studies revealed that there existed a wide range of intercellular communication among the component cells of the female gametophyte themselves. This communication not only affects the developmental process in different cells, but also determines the developmental fate of the cells, which ensure the normal development of the female gametophyte. In addition, the intercellular communication between female and male gametophytes is the molecular basis of their recognition from each other. The communication precisely controls the male gametophyte to accurately enter the ovules, stop its elongation in the female gametophyte and rupture at tip for releasing sperm cells in a specific location. In this review, we attempt to outline the latest progress in these areas, combing the signal pathway between these intercellular communications. In the end, some prospects for future studies as well as potential application prospects are discussed.
Published: 2015

38. The autonomous cell fate specification of basal cell lineage: the initial round of cell fate specification occurs at the two-celled proembryo stage

Author: Shisheng Li, Yuan Liu, Peng Zhao, Xinbo Li, Liang-Huan Qu, Meng-Xiang Sun, Jing Zhao, and Xuemei Zhou
Subjects: 0106 biological sciences, 0301 basic medicine, Cell division, Zygote, Plant Science, Apical cell, Cell fate determination, Biology, 01 natural sciences, 03 medical and health sciences, Magnoliopsida, Tobacco, Genetics, Cell Lineage, Body Patterning, Embryo, Cell Differentiation, Cell Biology, Proembryo, Cell biology, 030104 developmental biology, Cytoplasm, Seeds, Suspensor, Cell Division, 010606 plant biology & botany
Abstract: Summary In angiosperms, the first zygotic division usually gives rise to two daughter cells with distinct morphologies and developmental fates, which is critical for embryo pattern formation; however, it is still unclear when and how these distinct cell fates are specified, and whether the cell specification is related to cytoplasmic localization or polarity. Here, we demonstrated that when isolated from both maternal tissues and the apical cell, a single basal cell could only develop into a typical suspensor, but never into an embryo in vitro. Morphological, cytological and gene expression analyses confirmed that the resulting suspensor in vitro is highly similar to its undisturbed in vivo counterpart. We also demonstrated that the isolated apical cell could develop into a small globular embryo, both in vivo and in vitro, after artificial dysfunction of the basal cell; however, these growing apical cell lineages could never generate a new suspensor. These findings suggest that the initial round of cell fate specification occurs at the two-celled proembryo stage, and that the basal cell lineage is autonomously specified towards the suspensor, implying a polar distribution of cytoplasmic contents in the zygote. The cell fate transition of the basal cell lineage to the embryo in vivo is actually a conditional cell specification process, depending on the developmental signals from both the apical cell lineage and maternal tissues connected to the basal cell lineage.
Published: 2017

39. The WASP-Arp2/3 complex signal cascade is involved in actin-dependent sperm nuclei migration during double fertilization in tobacco and maize

Author: Xiongbo Peng, Meng-Xiang Sun, and Ting-Ting Yan
Subjects: 0301 basic medicine, Egg cell, Arp2/3 complex, macromolecular substances, Biology, Zea mays, Article, Actin-Related Protein 2-3 Complex, 03 medical and health sciences, Human fertilization, Tobacco, Myosin, Botany, medicine, Cytoskeleton, Actin, Cell Nucleus, Multidisciplinary, urogenital system, Sperm, Actins, Cell biology, 030104 developmental biology, medicine.anatomical_structure, Fertilization, biology.protein, Gamete, Germ Cells, Plant, Locomotion, Wiskott-Aldrich Syndrome Protein, Signal Transduction
Abstract: Sperm nuclear migration during fertilization in Arabidopsis and rice has recently been found to be actin-dependent, but the driving force behind this actin cytoskeleton-dependent motion is unclear. Here, we confirmed that the actin-dependent sperm nuclei migration during fertilization is a conserved mechanism in plants. Using in vitro fertilization systems, we showed that a functional actin is also essential in maize and tobacco for sperm nuclei migration after gamete membrane fusion. Cytoskeleton depolymerization inhibitor treatments supported the view that sperm nuclei migration is actin-dependent but microtubule-independent in both egg cell and central cell during double fertilization. We further revealed that the actin-based motor myosin is not the driving force for sperm nuclear migration in maize and tobacco. The WASP-Arp2/3 complex signal cascade is shown here to be involved in the regulation of sperm nuclear migration in maize and tobacco. It is interesting that sperm nuclei migration within somatic cell also need WASP-Arp2/3 complex signal cascade and actin, suggesting that the mechanism of sperm nuclear migration is not gamete specific.
Published: 2017

40. Exogenous γ-aminobutyric acid (GABA) affects pollen tube growth via modulating putative Ca2+-permeable membrane channels and is coupled to negative regulation on glutamate decarboxylase

Author: Ravishankar Palanivelu, Ju You Wu, Jing Feng, Guang Hui Yu, Meng Xiang Sun, Ying Liang Wu, Xiong Bo Peng, and Jie Zou
Subjects: 0106 biological sciences, Ca2+-permeable channel, Calmodulin, Physiology, Glutamate decarboxylase, Plant Science, Pollen Tube, medicine.disease_cause, Real-Time Polymerase Chain Reaction, 01 natural sciences, Aminobutyric acid, gamma-Aminobutyric acid, 03 medical and health sciences, Pollen, Tobacco, otorhinolaryngologic diseases, medicine, Extracellular, γ-Aminobutyric acid, gamma-Aminobutyric Acid, 030304 developmental biology, Plant Proteins, 0303 health sciences, Voltage-dependent calcium channel, biology, Nicotiana tabacum, Glutamate Decarboxylase, Cell Membrane, food and beverages, Cell biology, cell–cell communication, Biochemistry, biology.protein, Pollen tube, Calcium Channels, pollen tube, 010606 plant biology & botany, medicine.drug, Research Paper, Signal Transduction
Abstract: Summary This work reveals how tobacco pistil and style may communicate with pollen tubes and regulate their growth during fertilization via the γ-aminobutyric acid–Ca2+-permeable channel–glutamate decarboxylase–calmodulin signalling pathway., γ-Aminobutyric acid (GABA) is implicated in pollen tube growth, but the molecular and cellular mechanisms that it mediates are largely unknown. Here, it is shown that exogenous GABA modulates putative Ca2+-permeable channels on the plasma membranes of tobacco pollen grains and pollen tubes. Whole-cell voltage-clamp experiments and non-invasive micromeasurement technology (NMT) revealed that the influx of Ca2+ increases in pollen tubes in response to exogenous GABA. It is also demonstrated that glutamate decarboxylase (GAD), the rate-limiting enzyme of GABA biosynthesis, is involved in feedback controls of Ca2+-permeable channels to fluctuate intracellular GABA levels and thus modulate pollen tube growth. The findings suggest that GAD activity linked with Ca2+-permeable channels relays an extracellular GABA signal and integrates multiple signal pathways to modulate tobacco pollen tube growth. Thus, the data explain how GABA mediates the communication between the style and the growing pollen tubes.
Published: 2014

41. OsGCD1 is essential for rice fertility and required for embryo dorsal-ventral pattern formation and endosperm development

Author: Meng-Xiang Sun, Xiaorong Huang, and Xiongbo Peng
Subjects: 0301 basic medicine, Physiology, Sterility, Apoptosis, Plant Science, Genes, Plant, Endosperm, 03 medical and health sciences, Gene Expression Regulation, Plant, Arabidopsis, Aleurone, Botany, medicine, Amino Acid Sequence, Cloning, Molecular, Body Patterning, Plant Proteins, biology, Base Sequence, Embryogenesis, food and beverages, Gene Expression Regulation, Developmental, Embryo, Oryza, Sequence Analysis, DNA, biology.organism_classification, Cell biology, Sexual reproduction, 030104 developmental biology, medicine.anatomical_structure, Fertility, Mutagenesis, Mutation, Gamete, CRISPR-Cas Systems
Abstract: Rice fertility is critical for rice reproduction and is thus a focus of interest. Most studies have addressed male sterility and its relation to rice production. The mechanisms of regulation of embryogenesis and endosperm development are essential for rice reproduction, but remain largely unknown. Here, we report a functional analysis of the rice gene OsGCD1, which encodes a highly conserved homolog of Arabidopsis GCD1 (GAMETE CELLS DEFECTIVE1). OsGCD1 mutants were generated using the CRISPR/Cas9 system and subjected to functional analysis. The homozygote mutants cannot be obtained, whereas heterozygotes showed altered phenotypes. In the majority of aborted seeds, the endosperm nucleus divided a limited number of times. The free nuclei were distributed only at the micropylar end of embryo sacs, and their oriented positioning was blocked. In addition, aleurone differentiation was interrupted. The embryo developed slowly, and pattern formation, particularly the dorsal-ventral pattern and symmetry establishment, of embryos was disturbed. Thus, the embryos showed various morphological and structural dysplasias. Our findings reveal that OsGCD1 is essential for rice fertility and is required for dorsal-ventral pattern formation and endosperm free nucleus positioning, suggesting a critical role in sexual reproduction of both monocotyledon and dicotyledon plants.
Published: 2016

42. Special issue on plant reproduction research in Asia

Author: Tetsuya Higashiyama, Wei-Cai Yang, and Meng-Xiang Sun
Subjects: 0106 biological sciences, 0301 basic medicine, Asia, Biomedical Research, Reproduction, Botany, Asexual reproduction, Cell Biology, Plant Science, Biology, 01 natural sciences, Plant reproduction, Sexual reproduction, 03 medical and health sciences, 030104 developmental biology, Evolutionary biology, Plant Physiological Phenomena, 010606 plant biology & botany
Published: 2018

43. NtProRP1, a novel proline-rich protein, is an osmotic stress-responsive factor and specifically functions in pollen tube growth and early embryogenesis inNicotiana tabacum

Author: Jing Xu, Yuan Liu, Jing Zhao, Liyao Zhang, Meng-Xiang Sun, Junyi Chen, Shujuan Tian, and Jue Ning
Subjects: Osmotic shock, Physiology, Nicotiana tabacum, food and beverages, Embryo, Plant Science, Biology, medicine.disease_cause, biology.organism_classification, Plant reproduction, Cell biology, Germination, Pollen, Botany, otorhinolaryngologic diseases, medicine, Gene family, Pollen tube
Abstract: Proline-rich proteins (PRPs) are known to play important roles in sexual plant reproduction. Most of the known proteins in the family were found in styles or pollen and modulate pollen tube growth. Here, we identified a novel member of the gene family, NtProRP1, which is preferentially expressed in tobacco pollen grains, pollen tubes and zygotes. NtProRP1 could be secreted into the extracellular space including the cell wall, and the predicted N-terminal signal peptide is crucial for its secretion. In NtProRP1-RNAi plants, pollen germination and pollen tube growth were significantly slower and showed zigzag or swell morphology in vitro. Early embryogenesis also exhibited aberrant development, indicative of its critical role in both pollen tube growth and early embryogenesis. Further investigation revealed that NtProRP1 plays a crucial role in osmotic stress response during pollen tube growth and is likely regulated by Tsi, a stress-responsive gene, suggesting that the regulatory mechanism is also involved in the stress response during sexual plant reproduction. These data provide evidence that NtProRP1 functions as a downstream factor of Tsi1 in the stress response and converges the stress signal into the modulation of pollen tube growth and early embryogenesis.
Published: 2013

44. Hemorrhagic Shock Augments Nlrp3 Inflammasome Activation in the Lung through Impaired Pyrin Induction

Author: Melanie J. Scott, Meng Xiang, Zongmei Wen, Yuehua Li, Mark Wilson, Guozhi Xiao, Xueyin Shi, Song Li, Timothy R. Billiar, Peng Xu, Liyan Fan, Aijun Li, and Jie Fan
Subjects: Lipopolysaccharides, Male, Inflammasomes, Interleukin-1beta, Immunology, Down-Regulation, NALP3, Inflammation, Shock, Hemorrhagic, Biology, Pyrin domain, Article, Mice, AIM2, Downregulation and upregulation, Macrophages, Alveolar, NLR Family, Pyrin Domain-Containing 3 Protein, medicine, Animals, Immunology and Allergy, RNA, Small Interfering, Lung, Cells, Cultured, Mice, Knockout, Innate immune system, Endothelial Cells, Inflammasome, Pyrin, Systemic Inflammatory Response Syndrome, Interleukin-10, Up-Regulation, Cell biology, Mice, Inbred C57BL, Toll-Like Receptor 4, Cytoskeletal Proteins, Disease Models, Animal, Interleukin 10, Myeloid Differentiation Factor 88, biology.protein, RNA Interference, medicine.symptom, Carrier Proteins, Signal Transduction, medicine.drug
Abstract: Hemorrhagic shock (HS) promotes the development of systemic inflammatory response syndrome and organ injury by activating and priming the innate immune system for an exaggerated inflammatory response through, as of yet, unclear mechanisms. IL-1β also plays an important role in the development of post-HS systemic inflammatory response syndrome and active IL-1β production is tightly controlled by the inflammasome. Pyrin, a protein of 781 aa with pyrin domain at the N-terminal, negatively regulates inflammasome activation through interaction with nucleotide-binding oligomerization domain–like receptor protein (NLRP). Expression of pyrin can be induced by LPS and cytokines, and IL-10 is a known potent inducer of pyrin expression in macrophages. In the current study, we tested the hypothesis that HS downregulates IL-10 and therefore decreases pyrin expression to promote inflammasome activation and subsequent IL-1β processing and secretion in the lungs. Our results show that LPS, while activating Nlrp3 inflammasome in the lungs, also induced pyrin expression, which in turn suppressed inflammasome activation. More importantly, LPS-mediated upregulation of IL-10 enhanced pyrin expression, which serves, particularly in later phases, as a potent negative-feedback mechanism regulating inflammasome activation. However, HS-mediated suppression of IL-10 expression in alveolar macrophages attenuated the upregulation of pyrin in alveolar macrophages and lung endothelial cells and thereby significantly enhanced inflammasome activation and IL-1β secretion in the lungs. This study demonstrates a novel mechanism by which HS suppresses negative-feedback regulation of Nlrp3 inflammasome to enhance IL-1β secretion in response to subsequent LPS challenge and so primes for inflammation.
Published: 2013

45. NtKRP, a kinesin-12 protein, regulates embryo/seed size and seed germination via involving in cell cycle progression at the G2/M transition

Author: Yu-Wen Liu, Jingjing Wu, Fen Li, Jianwei Zou, Meng-Xiang Sun, Shujuan Tian, Yang Bai, and Bing Zhou
Subjects: G2 Phase, 0301 basic medicine, Cell division, Kinesins, Plant Development, Germination, Biology, Plant Roots, Article, Motor protein, 03 medical and health sciences, Microtubule, Tobacco, Phosphorylation, Mitosis, Plant Proteins, Multidisciplinary, Embryo, Cell cycle, Embryonic stem cell, Cyclin-Dependent Kinases, Cell biology, 030104 developmental biology, Seeds, Kinesin, Cell Division, Protein Binding
Abstract: Kinesins comprise a superfamily of microtubule-based motor proteins involved in essential processes in plant development, but few kinesins have been functionally identified during seed development. Especially, few kinesins that regulate cell division during embryogenesis have been identified. Here we report the functional characterization of NtKRP, a motor protein of the kinesin-12 family. NtKRP is predominantly expressed in embryos and embryonic roots. NtKRP RNAi lines displayed reductions in cell numbers in the meristematic zone, in embryonic root length, and in mature embryo and seed sizes. Furthermore, we also show that CDKA;1 binds to NtKRP at the consensus phosphorylation sites and that the decreased cell numbers in NtKRP-silenced embryos are due to a delay in cell division cycle at the G2/M transition. In addition, binding between the cargo-binding tail domain of NtKRP and CDKA; 1 was also determined. Our results reveal a novel molecular pathway that regulates embryo/seed development and critical role of kinesin in temporal and spatial regulation of a specific issue of embryo developmental.
Published: 2016
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46. An Efficient Antipodal Cell Isolation Method for Screening of Cell Type-Specific Genes in Arabidopsis thaliana

Author: An Luo, Meng-Xiang Sun, and Xiaobo Yu
Subjects: 0106 biological sciences, 0301 basic medicine, Egg cell, Fruit and Seed Anatomy, Cell, Embryo Sac, Arabidopsis, Antipodal point, lcsh:Medicine, Plant Science, Cell Separation, 01 natural sciences, Biochemistry, Transcriptome, Animal Cells, Gene Expression Regulation, Plant, Arabidopsis thaliana, lcsh:Science, Plant Growth and Development, Multidisciplinary, biology, Plant Anatomy, Embryo, Plants, Complementary DNA, Cell biology, Nucleic acids, medicine.anatomical_structure, OVA, Embryogenesis, Seeds, Cellular Types, Research Article, Cell type, Imaging Techniques, Forms of DNA, Arabidopsis Thaliana, Plant Development, Brassica, Cell fate determination, Research and Analysis Methods, Ovules, 03 medical and health sciences, Model Organisms, Plant and Algal Models, Plant Cells, Botany, Fluorescence Imaging, medicine, Genetics, Plant Embryo Anatomy, lcsh:R, Antipodals, Organisms, Biology and Life Sciences, DNA, Cell Biology, biology.organism_classification, Central Cells, 030104 developmental biology, Germ Cells, lcsh:Q, Plant Embryogenesis, 010606 plant biology & botany, Developmental Biology
Abstract: In flowering plants, the mature embryo sac consists of seven cells, namely two synergid cells and an egg cell at the micropylar end, one central cell, and three antipodal cells at the chalazal end. Excluding the antipodal cell, as a model for the study of cell fate determination and cell type specification, the roles of these embryo sac component cells in fertilization and seed formation have been widely investigated. At this time, little is known regarding the function of antipodal cells and their cell type-specific gene expression patterns. One reason for this is difficulties related to the observation and isolation of cells for detailed functional analyses. Here, we report a method for antipodal cell isolation and transcriptome analysis. We identified antipodal cell-specific marker line K44-1, and based on this marker line, established a procedure allowing us to isolate antipodal cells with both high quality and quantity. PCR validation of antipodal-specific genes from antipodal cell cDNA showed that the isolated cells are qualified and can be used for transcriptome analysis and screening of cell type-specific marker genes. The isolated cells could keep viable for a week in culture condition. This method can be used to efficiently isolate antipodal cells of high quality and will promote the functional investigation of antipodal cells in Arabidopsis thaliana. This increases our understanding of the molecular regulatory mechanism of antipodal cell specification.
Published: 2016

47. Mitochondrial GCD1 Dysfunction Reveals Reciprocal Cell-to-Cell Signaling during the Maturation of Arabidopsis Female Gametes

Author: Xiongbo Peng, Rui He, Wenwei Li, Haiping Xin, Meng-Xiang Sun, and Jianjun Wu
Subjects: Molecular Sequence Data, Cell, Arabidopsis, Cell Communication, Flowers, Pollen Tube, Genes, Plant, General Biochemistry, Genetics and Molecular Biology, Endosperm, Mitochondrial Proteins, Double fertilization, Gene Expression Regulation, Plant, medicine, Molecular Biology, Ovule, Gametophyte, Genetics, biology, Arabidopsis Proteins, Embryogenesis, Gene Expression Regulation, Developmental, Cell Differentiation, Embryo, Cell Biology, Plants, Genetically Modified, biology.organism_classification, medicine.anatomical_structure, Fertilization, Mutation, Gamete, Signal Transduction, Developmental Biology
Abstract: Summary Cell-to-cell communication in embryo sacs is thought to regulate the development of female gametes in flowering plants, but the details remain poorly understood. Here, we report a mitochondrial protein, GAMETE CELL DEFECTIVE 1 (GCD1), enriched in gametophytes that is essential for final maturation of female gametes. Using Arabidopsis gcd1 mutants, we found that final maturation of the egg and central cells is not required for double fertilization but is necessary for embryogenesis initiation and endosperm development. Furthermore, nonautonomous effects, observed when GCD1 or AAC2 function is disrupted, suggest that mitochondrial function influences reciprocal signaling between central and egg cells to regulate maturation of the partner (egg or central) cell. Our findings confirm that cell-to-cell communication is important in functional maturation of female gametic cells and suggest that both egg and central cells sense and transmit their mitochondrial metabolic status as an important cue that regulates the coordination of gamete maturation.
Published: 2012

48. Dynamic changes of transcript profiles after fertilization are associated withde novotranscription and maternal elimination in tobacco zygote, and mark the onset of the maternal-to-zygotic transition

Author: Ligang Ma, Liang-Huan Qu, Haiping Xin, Jing Zhao, Shisheng Li, Jue Ning, Meng-Xiang Sun, Xiongbo Peng, and Ting-Ting Yan
Subjects: Genetics, Regulation of gene expression, Zygote, biology, Nicotiana tabacum, Embryogenesis, Embryo, Cell Biology, Plant Science, biology.organism_classification, Cell biology, Human fertilization, Maternal to zygotic transition, Fertilisation
Abstract: The maternal-to-zygotic transition (MZT) is characterized by the turnover of zygote development from maternal to zygotic control, and has been extensively studied in animals. A majority of studies have suggested that early embryogenesis is maternally controlled and that the zygotic genome remains transcriptionally inactive prior to the MZT. However, little is known about the MZT in higher plants, and its timing and impact remain uncharacterized. Here, we constructed cDNA libraries from tobacco (Nicotiana tabacum) egg cells, zygotes and two-celled embryos for gene expression profiling analysis, followed by RT-PCR confirmation. These analyses, together with experiments using zygote microculture coupled with transcription inhibition, revealed that a marked change in transcript profiles occurs approximately 50 h after fertilization, and that the MZT is initiated prior to zygotic division in tobacco. Although maternal transcripts deposited in egg cells support several early developmental processes, they appear to be insufficient for zygotic polar growth and subsequent cell divisions. Thus, we propose that de novo transcripts are probably required to trigger embryogenesis in later zygotes in tobacco.
Published: 2010

49. The Levels of Male Gametic Mitochondrial DNA Are Highly Regulated in Angiosperms with Regard to Mitochondrial Inheritance

Author: Zhi-Fu Lin, Meng-Xiang Sun, Sodmergen, Yang Liu, Quan Zhang, Dan-Yang Wang, and Shao-Xiang Zhang
Subjects: Genetics, Egg cell, Mitochondrial DNA, biology, Somatic cell, Molecular Sequence Data, fungi, food and beverages, Cell Biology, Plant Science, Mitochondrion, biology.organism_classification, DNA, Mitochondrial, Magnoliopsida, Antirrhinum majus, medicine.anatomical_structure, Arabidopsis, medicine, Pollen, Arabidopsis thaliana, Gamete, Research Articles
Abstract: The mechanisms that regulate mitochondrial inheritance are not yet clear, even though it is 100 years since the first description of non-Mendelian genetics. Here, we quantified the copy numbers of mitochondrial DNA (mtDNA) in the gametic cells of angiosperm species. We demonstrate that each egg cell from Arabidopsis thaliana, Antirrhinum majus, and Nicotiana tabacum possesses 59.0, 42.7, and 73.0 copies of mtDNA on average, respectively. These values are equivalent to those in Arabidopsis mesophyll cells, at 61.7 copies per cell. On the other hand, sperm or generative cells from Arabidopsis, A. majus, and N. tabacum possess minor amounts of mtDNA, at 0.083, 0.47, and 1 copy on average, respectively. We further reveal a 50-fold degradation of mtDNA during pollen development in A. majus. In contrast, markedly high levels of mtDNA are found in the male gametic cells of Cucumis melo and Pelargonium zonale (1296.3 and 256.7 copies, respectively). Our results provide direct evidence for mitochondrial genomic insufficiency in the eggs and somatic cells and indicate that a male gamete of an angiosperm may possess mtDNA at concentrations as high as 21-fold (C. melo) or as low as 0.1% (Arabidopsis) of the levels in somatic cells. These observations reveal the existence of a strong regulatory system for the male gametic mtDNA levels in angiosperms with regard to mitochondrial inheritance.
Published: 2010

50. Association of Toll-Like Receptor Signaling and Reactive Oxygen Species: A Potential Therapeutic Target for Posttrauma Acute Lung Injury

Author: Jie Fan, Janet Fan, and Meng Xiang
Subjects: Acute Lung Injury, Immunology, Inflammation, Review Article, Lung injury, Biology, 03 medical and health sciences, 0302 clinical medicine, Mediator, lcsh:Pathology, medicine, Animals, Humans, 030304 developmental biology, 0303 health sciences, Toll-like receptor, Innate immune system, Lung, Toll-Like Receptors, Cell Biology, respiratory system, medicine.disease, respiratory tract diseases, 3. Good health, Systemic inflammatory response syndrome, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Wounds and Injuries, Signal transduction, medicine.symptom, Reactive Oxygen Species, Signal Transduction, lcsh:RB1-214
Abstract: Acute lung injury (ALI) frequently occurs in traumatic patients and serves as an important component of systemic inflammatory response syndrome (SIRS). Hemorrhagic shock (HS) that results from major trauma promotes the development of SIRS and ALI by priming the innate immune system for an exaggerated inflammatory response. Recent studies have reported that the mechanism underlying the priming of pulmonary inflammation involves the complicated cross-talk between Toll-like receptors (TLRs) and interactions between neutrophils (PMNs) and alveolar macrophages (AMϕ) as well as endothelial cells (ECs), in which reactive oxygen species (ROS) are the key mediator. This paper summarizes some novel mechanisms underlying HS-primed lung inflammation focusing on the role of TLRs and ROS, and therefore suggests a new therapeutic target for posttrauma ALI.
Published: 2010

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