280 results on '"Yin, G."'
Search Results
2. Electronic, Mechanical, Vibrational and Piezoelectric Properties of Mg3X2 (X = As, Sb) Monolayers.
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YIN, G.-X., WANG, K.-T., and CUI, H.-L.
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NARROW gap semiconductors , *DENSITY functional theory , *VIBRATIONAL spectra , *THERMOELECTRIC materials , *GROUP theory - Abstract
Recently, bulk Mg3X2 (X=As, Sb) have been intensively studied for their unique properties for thermoelectric use. However, studies on their two-dimensional counterparts are not sufficient. In this work, we systematically investigated the electronic, mechanical, vibrational, and piezoelectric properties of Mg3X2 (X = As, Sb) monolayers. The results indicate that both monolayers have negative formation energies with dynamical and mechanical stability. Mg3As2 monolayer is a narrow band gap semiconductor, while Mg3Sb2 monolayer is an indirect one. The origin of the band structure was revealed by the calculated partial density of states. The bonding property of both monolayers was analyzed by different methods. Elastic constants were obtained by density functional perturbation theory, and the related physical quantities were derived and analyzed. In-plane strengths along the zigzag and armchair directions of both materials were calculated, and the fracture mechanisms were uncovered. The vibrational modes at the Brillouin center were classified through group theory analysis, and the corresponding eigenvectors and frequencies were calculated and presented. Infrared vibrational spectra were simulated, and the reason for the vanishment of some infrared peaks was disclosed. Piezoelectric and dielectric coefficients were also computed and discussed. [ABSTRACT FROM AUTHOR]
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- 2024
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3. (064) Argonaute 2 Restores Erectile Function by Enhancing Angiogenesis and Reducing Reactive Oxygen Species Production in Streptozotocin (STZ)-Induced Type-1 Diabetic Mice
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Yin, G, primary, Ock, J, additional, Suh, J, additional, Kwon, M, additional, Limanjaya, A, additional, and Ryu, J, additional
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- 2024
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4. (274) BMP2 Restores Erectile Dysfunction Through Neurovascular Regeneration and Fibrosis Reduction in Diabetic Mice
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Kwon, M, primary, Choi, M, additional, Limanjaya, A, additional, Ock, J, additional, Yin, G N, additional, Jin, S, additional, Suh, J, additional, Chung, D Y, additional, and Ryu, J, additional
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- 2024
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5. (275) IGFBP5 Short Hairpin RNA (shRNA) Constructs Improve Erectile Function in a Mouse Model of Cavernous Nerve Injury
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Ock, J, primary, Limanjaya, A, additional, Kwon, M, additional, Yin, G N, additional, Suh, J, additional, and Ryu, J, additional
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- 2024
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6. (285) Heme-Binding Protein 1 Delivered via Pericyte-Derived Extracellular Vesicles Improves Neurovascular Regeneration in a Mouse Model of Cavernous Nerve Injury
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Yin, G, primary, Ock, J, additional, Limanjaya, A, additional, Kwon, M, additional, Suh, J, additional, and Ryu, J, additional
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- 2024
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7. Fit-for-Purpose Sweep Pumping Schedule to Improve Operation Efficiency While Achieving Effective Hole Cleaning During Clean Up Cycle at Well Total Depth in an Unconventional Drilling Operation
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Yin, G., additional, Rogers, S. W., additional, and Le, V. Q., additional
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- 2024
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8. Historical Strategy Roadmap to Reduce the Operation Time for Drilling 8-1/2 Inch Production Hole Section in an Unconventional Drilling Operation
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Yin, G., additional, Ramos, D. A., additional, Sinesi, J. P., additional, and Jan, M. A., additional
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- 2024
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9. Effects of Tonsillectomy and Adenoidectomy on Central Sleep Apnea in children with adenoid and tonsillar hypertrophy and exploration of influential factors
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Li, D., primary, Xiao, J., additional, Xu, J., additional, Zhao, C., additional, Zhang, Y., additional, Yin, G., additional, and Ye, J., additional
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- 2024
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10. Polysomnographic findings after adenotosillectomy or adenoidetomy and related factors of surgical outcomes in Chinese pediatric obstructive sleep apnea: a long-term single-center retrospective study
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Xiao, J., primary, Li, D., additional, Xu, J., additional, Zhao, C., additional, Zhang, Y., additional, Yin, G., additional, and Ye, J., additional
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- 2024
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11. Risk and benefit of reinitiating antiplatelet therapy after spontaneous intracerebral hemorrhage: a systematic review and meta-analysis.
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ZHANG, J.-W., ZHAO, J.-X., and YIN, G.-F.
- Abstract
OBJECTIVE: This study aimed to assess the risks and benefits of reinitiating antiplatelet therapy after spontaneous intracerebral hemorrhage (ICH) through a systematic review and meta-analysis. The reinitiation of antiplatelet therapy is commonly used to reduce major vascular events in patients with occlusive vascular diseases, but its use in ICH patients may increase the risk of bleeding. MATERIALS AND METHODS: A comprehensive search was conducted on databases including MEDLINE, Embase, Cochrane Library, clinicaltrials. gov, and the International Standard Randomized Controlled Trial Number Register (ISRCTN). Randomized controlled trials and cohort studies that investigated the use of reinitiation of antiplatelet therapy after hemorrhagic stroke were included. Data on ICH recurrence, major bleeding events, major occlusive cerebrovascular events, ischemic stroke, and all-cause mortality were extracted and analyzed using R software. RESULTS: The study included a total of 10 studies with 6,340 participants. The control group consisted of 2,964 patients who did not receive antiplatelet therapy, while the study group included 1,285 patients who received antiplatelet therapy without restrictions on the specific drug type. The meta-analysis showed that antiplatelet therapy significantly reduced the risk of ICH recurrence (RR=0.72, 95% CI: 0.59, 0.87), had no significant impact on the risk of severe bleeding events (RR=0.93, 95% CI: 0.80, 1.08), significantly lowered the risk of major occlusive cerebrovascular events (RR=0.59, 95% CI: 0.46, 0.77), had no significant effect on the risk of ischemic stroke (RR=0.77, 95% CI: 0.53, 1.12), and did not significantly influence the risk of all-cause mortality (RR=0.75, 95% CI: 0.45, 1.15). CONCLUSIONS: Based on the findings, reinitiating antiplatelet therapy after spontaneous ICH appears to be generally safe. However, the benefits in terms of reducing the risk of allcause mortality are not evident and require confirmation through large-scale, long-term, prospective, randomized controlled trials. [ABSTRACT FROM AUTHOR]
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- 2024
12. Thrombose spontanée d’une varice orbitaire après plongée en apnée
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Ho Wang Yin, G., Nadeau, S., Sampo, M., Guyot, L., Denis, D., and Matonti, F.
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- 2024
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13. Land use and spatial contiguity are key driven factors of antibiotic multimedia patterns in the megacity river network.
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Ding F, Li Y, He T, Wang Y, Li Y, Huang Y, Yin G, Yang J, Wu S, Liu Y, and Liu M
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- Geologic Sediments chemistry, Cities, Rivers chemistry, Environmental Monitoring, Anti-Bacterial Agents analysis, Water Pollutants, Chemical analysis
- Abstract
The widespread spread of antibiotics in the environment poses a growing threat to human health. This study investigated the distribution and fate of antibiotics concerning land use characteristics, hydrological conditions, and spatial contiguity within a megacity river network. Temporally, the average concentrations of twenty antibiotics in water (354 ng/L), suspended particulate matter (SPM) (46 ng/L), and sediment (151 ng/g) during dry season were notably higher than that in the corresponding environment media (water: 127 ng/L, SPM: 2 ng/L, and sediment: 49 ng/g) during the wet season. Moreover, the inter-annual variation of antibiotics in water showed a decreasing trend. Spatially, substantial antibiotic contamination was observed in a human-intensive watershed, particularly in the upstream and central city sections. The macrolides in water were most affected by land use types and hydrological processes. Antibiotic contamination in water exhibited a stronger spatial autocorrelation compared to other media. Nevertheless, the interconnectedness of antibiotic contamination in sediments during the wet season warrants attention, and relevant authorities should enhance environmental monitoring in watersheds with pollution hotspots. Certain antibiotics, such as sulfamethoxazole, enrofloxacin, and florfenicol, were transported via urban rivers to the ocean, potentially posing environmental risks to coastal water quality. Local sources accounted for the predominant portion (>50 %) of most antibiotics in various media. The correlation distances of antibiotics in waters during the wet season could screen ecological risk prioritization in aquatic environments., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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14. Multi-site DNA methylation alterations of peripheral blood mononuclear cells serve as novel biomarkers for the diagnosis of AIS/stage I lung adenocarcinoma: A multi-center cohort study.
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Li P, Liu S, Wang T, Wang F, Li J, Qi Q, Zhang S, Xie Y, Li J, Zhu Y, Yang S, Yin G, He X, Li S, Xu H, Xiong M, Li G, Zhang Y, Du L, and Wang C
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Background: Early diagnosis remains an obstacle for improving the outcome of lung adenocarcinoma (LUAD). DNA methylation changes in peripheral blood mononuclear cells (PBMCs) could reflect immune response to tumorigenesis, providing the theoretical basis for early cancer diagnosis based on immune cell profiling., Methods: This multi-center study evaluated the DNA methylation patterns based on PBMCs samples from 1115 individuals at nine medical centers. Genome-wide DNA methylation profiling of PBMCs in a discovery cohort (35 LUAD patients and 50 healthy controls) was performed using Illumina 850K microarray. Candidate differentially methylated CpG positions (DMPs) were selected and validated in a two-step DMPs screening cohort (65 LUAD patients and 80 healthy controls) by pyrosequencing and multiple target region methylation enrichment sequencing (MTRMES). Then, an early LUAD Diagnostic Panel (LDP score) based on multi-site methylation-specific chip-based digital PCR was constructed in a training set and then confirmed in a validation set from the LDP score development cohort (389 AIS/stage I LUAD patients and 293 healthy controls). Besides, we included 157 other cancer patients, including 52 gastric cancer (GC) patients, 50 breast cancer (BC) patients, and 55 colorectal cancer (CRC) patients to assess the specificity of LDP score. In addition, we also evaluated the early warning ability of LDP score for LUAD in a prospective cohort (46 people who were at high-risk of developing LC)., Results: A total of 1415 LUAD-specific DMPs were identified. Then, six DMPs were selected for validation and three DMPs were finally verified. The LDP score was constructed by combining the three DMPs, age, and gender, and showed an AUC of 0.916, sensitivity of 88.17%, and specificity of 80.20% in combined set, outperforming traditional methods, such as CEA and CT (detection rate: 87.79% vs. 4.69%; 87.79% vs. 35.21%). This diagnostic performance was confirmed in sub-types of LUAD with clinical challenges, such as 6-20 mm LUAD (AUC: 0.914, 95%CI: 0.889-0.934) and ground-glass nodules (AUC: 0.916, 95%CI: 0.889-0.938). Importantly, our LDP score had significant improvement in terms of selecting high-risk individuals who should receive low-dose computed tomography (87.80% vs. 9.28%). Remarkably, LDP score could predict LUAD around two years before clinical diagnosis in our prospective cohort., Conclusions: The novel developed LDP score represented a convenient and effective assay for the detection of AIS/stage I LUAD with high sensitivity and specificity, and had demonstrated unique advantages over traditional detection methods., (Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.)
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- 2024
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15. Automatic sensory change processing in adults with attention deficit and hyperactivity disorder: a visual mismatch negativity study.
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Dang C, Luo X, Zhu Y, Li B, Feng Y, Xu C, Kang S, Yin G, Johnstone SJ, Wang Y, Song Y, and Sun L
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- Humans, Male, Female, Adult, Young Adult, Visual Perception physiology, Evoked Potentials, Visual physiology, Evoked Potentials physiology, Neuropsychological Tests, Attention Deficit Disorder with Hyperactivity physiopathology, Electroencephalography, Executive Function physiology
- Abstract
In addition to higher-order executive functions, underlying sensory processing ability is also thought to play an important role in Attention-Deficit/Hyperactivity Disorder (AD/HD). An event-related potential feature, the mismatch negativity, reflects the ability of automatic sensory change processing and may be correlated with AD/HD symptoms and executive functions. This study aims to investigate the characteristics of visual mismatch negativity (vMMN) in adults with AD/HD. Twenty eight adults with AD/HD and 31 healthy controls were included in this study. These two groups were matched in age, IQ and sex. In addition, both groups completed psychiatric evaluations, a visual ERP task used to elicit vMMN, and psychological measures about AD/HD symptoms and day-to-day executive functions. Compared to trols, the late vMMN (230-330 ms) was significantly reduced in the AD/HD group. Correlation analyses showed that late vMMN was correlated with executive functions but not AD/HD symptoms. However, further mediation analyses showed that different executive functions had mediated the relationships between late vMMN and AD/HD symptoms. Our findings indicate that the late vMMN, reflecting automatic sensory change processing ability, was impaired in adults with AD/HD. This impairment could have negative impact on AD/HD symptoms via affecting day-to-day executive functions., (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany.)
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- 2024
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16. Identification of B-cell epitopes located on the surface in the PB2 protein of the H9N2 subtype avian influenza virus.
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Cai Y, Yin G, Huang X, Hu J, Gao Z, Guo X, Qiu Y, Sun H, and Feng X
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- Animals, Mice, Hybridomas, RNA-Dependent RNA Polymerase genetics, Antibodies, Viral immunology, Chickens virology, Female, Influenza A Virus, H9N2 Subtype immunology, Influenza A Virus, H9N2 Subtype genetics, Mice, Inbred BALB C, Antibodies, Monoclonal immunology, Viral Proteins genetics, Viral Proteins immunology, Viral Proteins metabolism, Influenza in Birds virology, Influenza in Birds immunology, Epitopes, B-Lymphocyte immunology
- Abstract
Avian influenza (AI), caused by H9N2 subtype avian influenza virus (AIV), poses a serious threat to poultry farming and public health due to its transmissibility and pathogenicity. The PB2 protein is a major component of the viral RNA polymerase complex. It is of great importance to identify the antigenic determinants of the PB2 protein to explore the function of the PB2 protein. In this study, the PB2 sequence of H9N2 subtype AIV, from 1090 to 1689 bp, was cloned and expressed. The recombinant PB2 protein with cutting gel was used to immunize BALB/c mice. After cell fusion, the hybridoma cell lines secreting monoclonal antibodies (mAbs) targeting the PB2 protein were screened by indirect ELISA and western blotting, and the antigenic epitopes of mAbs were identified by constructing truncated overlapping fragments in the PB2 protein of H9N2 subtype AIV. The results showed that three hybridoma cell lines (4B7, 4D10, and 5H1) that stably secreted mAbs specific to the PB2 protein were screened; the heavy chain of 4B7 was IgG2α, those of 4D10 and 5H1 were IgG1, and all three mAbs had kappa light chain. Also, the minimum B-cell epitope recognized was
475 LRGVRVSK482 and528 TITYSSPMMW537 . Homology analysis showed that these two epitopes were conserved among the different subtypes of AIV strains and located on the surface of the PB2 protein. The above findings provide an experimental foundation for further investigation of the function of the PB2 protein and developing monoclonal antibody-based diagnostic kits.- Published
- 2024
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17. Diosgenin ameliorating non-alcoholic fatty liver disease via Nrf2-mediated regulation of oxidative stress and ferroptosis.
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Zhang X, Yin G, Chen S, Meng D, Yu W, Liu H, Wang L, and Zhang F
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Aim: This study aimed to investigate the mechanisms through which diosgenin inhibits the pathogenesis of non-alcoholic fatty liver disease, focusing particularly on ferroptosis-related pathways and its reliance on nuclear factor erythroid 2-related factor 2., Materials and Methods: Using a rat model, we showed diosgenin's efficacy in reducing lipid deposition throughout the body and examined its impact on ferroptosis-related gene expression in vivo. Moreover, in vitro experiments using human hepatocellular liver carcinoma cell line cells were conducted to assess oxidative stress and ferroptosis levels., Results: Diosgenin decreased lipid accumulation and steatosis; lowered serum levels of total cholesterol, triglycerides, low-density lipoprotein cholesterol, glutamic pyruvic transaminase and glutamic oxaloacetic transaminase; reduced interleukin-1β and tumour necrosis factor-α; diosgenin decreased malondialdehyde levels; and increased serum superoxide dismutase levels in a rat model of high-fat diet-induced non-alcoholic fatty liver disease. Diosgenin upregulated the expression of nuclear factor erythroid 2-related factor 2 and its downstream ferroptosis-related genes to inhibit ferroptosis in the livers of rats with non-alcoholic fatty liver disease. Diosgenin decreased reactive oxygen species levels and enhanced the expression of ferroptosis-related genes in human hepatocellular liver carcinoma cells induced by free fatty acids, with its effects being dependent on nuclear factor erythroid 2-related factor 2., Conclusions: This study highlights the potential of diosgenin from Dioscoreaceae plants in mitigating oxidative stress and ferroptosis levels through nuclear factor erythroid 2-related factor 2 regulation, offering novel insights into the treatment of non-alcoholic fatty liver disease and other metabolic disorders through traditional Chinese medicine., (© 2024 John Wiley & Sons Ltd.)
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- 2024
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18. An Aegilops longissima NLR protein with integrated CC-BED module mediates resistance to wheat powdery mildew.
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Ma C, Tian X, Dong Z, Li H, Chen X, Liu W, Yin G, Ma S, Zhang L, Cao A, Liu C, Yan H, Sehgal SK, Zhang Z, Liu B, Wang S, Liu Q, Zhao Y, and Zhao Y
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- Plants, Genetically Modified, Gene Expression Regulation, Plant, Plant Breeding, Cloning, Molecular, Genes, Plant, Triticum microbiology, Triticum genetics, Triticum immunology, Plant Diseases microbiology, Plant Diseases genetics, Plant Diseases immunology, Ascomycota pathogenicity, Disease Resistance genetics, Plant Proteins genetics, Plant Proteins metabolism, NLR Proteins genetics, NLR Proteins metabolism, Aegilops genetics, Aegilops microbiology
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Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), reduces wheat yields and grain quality, thus posing a significant threat to global food security. Wild relatives of wheat serve as valuable resources for resistance to powdery mildew. Here, the powdery mildew resistance gene Pm6Sl is cloned from the wild wheat species Aegilops longissima. It encodes a nucleotide-binding leucine-rich repeat (NLR) protein featuring a CC-BED module formed by a zinc finger BED (Znf-BED) domain integrated into the coiled-coil (CC) domain. The function of Pm6Sl is validated via mutagenesis, gene silencing, and transgenic assays. In addition, we develop a resistant germplasm harbouring Pm6Sl in a very small segment with no linkage drag along with the diagnostic gene marker pm6sl-1 to facilitate Pm6Sl deployment in wheat breeding programs. The cloning of Pm6Sl, a resistance gene with BED-NLR architecture, will increase our understanding of the molecular mechanisms underlying BED-NLR-mediated resistance to various pathogens., (© 2024. The Author(s).)
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- 2024
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19. Pressure-Induced Molding of Black Phosphorus@Ti 3 C 2 T x Composite Electrode and Its Implications on the Lithium Storage.
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Ning Y, Lv J, Li Y, Ming S, Li S, Zhen S, Yin G, Jia H, Zhang J, and Lu M
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For the first time, an innovative pressure quenching technique is used to create the integrated electrode of the black phosphorus (BP) @Ti
3 C2 Tx composite material, doing away with the requirement for adhesive additives and simplifying time-consuming processes. Through the formation of Ti-O-P bonds with BP, Ti3 C2 Tx MXenes can function as conductive additives and affect the interlayer gap. Additionally, we have found that there is a critical synthetic pressure threshold (300 kN) at which the performance of BP@Ti3 C2 Tx -integrated electrodes can be improved: too high of a pressure prevents lithium-ion transport because of mesopore reduction; too low of a pressure prevents Ti-O-P chemical bond formation between the two components; and suboptimal pressure does not allow for density enhancement for better electron conduction. The integrated electrode produced at 300 kN shows a discharge capacity of about 724.9 mA h/g at 0.1 A/g current density after 100 cycles, which is much larger than that obtained at 50 kN (270.2 mA h/g). Furthermore, the capacity can remain steady at 560.74 mA h/g even after 500 lengthy cycles at the high current density of 0.5 A/g. Significantly lower resistance (1.10 × 102 Ω at 300 kN; 2.02 × 103 Ω at 50 kN) and faster reaction kinetics are responsible for this improvement. This study offers a new, straightforward, and broadly useful technique for creating integrated electrodes and BP-based composite materials.- Published
- 2024
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20. Advancements and Challenges in Organic-Inorganic Composite Solid Electrolytes for All-Solid-State Lithium Batteries.
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Zhang X, Cheng S, Fu C, Yin G, Wang L, Wu Y, and Huo H
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To address the limitations of contemporary lithium-ion batteries, particularly their low energy density and safety concerns, all-solid-state lithium batteries equipped with solid-state electrolytes have been identified as an up-and-coming alternative. Among the various SEs, organic-inorganic composite solid electrolytes (OICSEs) that combine the advantages of both polymer and inorganic materials demonstrate promising potential for large-scale applications. However, OICSEs still face many challenges in practical applications, such as low ionic conductivity and poor interfacial stability, which severely limit their applications. This review provides a comprehensive overview of recent research advancements in OICSEs. Specifically, the influence of inorganic fillers on the main functional parameters of OICSEs, including ionic conductivity, Li
+ transfer number, mechanical strength, electrochemical stability, electronic conductivity, and thermal stability are systematically discussed. The lithium-ion conduction mechanism of OICSE is thoroughly analyzed and concluded from the microscopic perspective. Besides, the classic inorganic filler types, including both inert and active fillers, are categorized with special emphasis on the relationship between inorganic filler structure design and the electrochemical performance of OICSEs. Finally, the advanced characterization techniques relevant to OICSEs are summarized, and the challenges and perspectives on the future development of OICSEs are also highlighted for constructing superior ASSLBs., (© 2024. The Author(s).)- Published
- 2024
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21. Factors Affecting the Formation and Transformation of the Intermediates in Pd(II)-Catalyzed Aromatic C-H Activation: A Comprehensive Study with the Pd(II)/LA Platform.
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Li K, Li M, Dong S, Li SL, Chen Z, Liao RZ, and Yin G
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How the factors affecting the formation and transformation of the intermediates in Pd(II)-catalyzed aromatic C-H activation: A comprehensive study with the Pd(II)/LA platform. Using the Pd(II)/Lewis acid (LA)-catalyzed C-H activation of electron-rich acetanilides as a platform, the C-H activation intermediates, including the precomplex η
2 -intermediate, the agostic hydrogen intermediate, and the palladacycle compound have been well-characterized. This work presents how the catalyst source, substrate, and solvent affect the formation of the η2 -intermediate and its equilibrium with the agostic hydrogen intermediate, and the transformation of the agostic hydrogen intermediate to the palladacycle compound through C-H activation. The findings disclosed above are provided as a guideline for the catalyst design of the oxidative olefination of acetanilide with dioxygen, and the catalytic efficiency matched well with the mechanistic findings.- Published
- 2024
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22. Immune-Targeted Therapy with or without Transarterial Chemoembolization (TACE) for Advanced Hepatocellular Carcinoma with Portal Vein Tumor Thrombosis (PVTT): A Multicenter Retrospective Study.
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You R, Cheng Y, Diao L, Wang C, Leng B, Yu Z, Xu Q, and Yin G
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Purpose: In the present study, we aimed to assess the effectiveness and safety of immune-targeted therapy (IT) with or without transarterial chemoembolization (TACE) for advanced hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT)., Patients and Methods: This was a multicenter retrospective study that included 265 HCC patients with PVTT (IT + TACE: 82, IT: 183). Overall survival (OS) and progression-free survival (PFS), as well as tumor responses and adverse events, were evaluated., Results: Patients in the IT + TACE group experienced significantly longer overall survival (OS) and progression-free survival (PFS) periods, compared with those in the IT group (OS 19.0 vs. 13.0 months, p < 0.001; PFS 12.0 vs. 7.3 months, p < 0.001). Multivariable analysis confirmed IT + TACE as an independent predictor for improved OS and PFS. Subgroup analysis demonstrated the benefits of IT + TACE in patients with rich PVTT blood supply. Preoperative imaging and DSA offered predictive value., Conclusions: TACE combined with IT provides a safe and effective treatment option for advanced-HCC patients with PVTT, particularly those with abundant PVTT blood supply.
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- 2024
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23. Arctium lappa L. polysaccharides alleviate oxidative stress and inflammation in the liver and kidney of aging mice by regulating intestinal homeostasis.
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Jia X, Liu H, Yin G, Xiang W, Zhao H, Zhang X, Tang X, Cheng X, Kuo CF, Liu C, Wang W, and Lu N
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Arctium lappa L. polysaccharide (ALP) is a prominent bioactive compound renowned for its multifaceted functional properties, including anti-inflammatory, antioxidant, antifibrotic, immunomodulatory, and pro-apoptotic effects. This study evaluated the aging-delaying effect of ALP and its mechanisms using a D-galactose (D-gal)-induced aging model. After an 8-week treatment, ALP significantly ameliorated D-gal-induced inflammation and oxidative stress in the liver, kidneys, and intestines. Notably, ALP administration led to a marked reduction of the pathogenic bacterium Desulfovibrio and a substantial increase in the beneficial bacterium Muribaculum. These microbial shifts were associated with upregulated expression of intestinal tight junction proteins and intestinal mucins, leading to enhanced intestinal barrier integrity. Consequently, the leakage of enterotoxins and inflammatory mediators was effectively reduced. The findings indicate that ALP alleviates tissue inflammation and oxidative stress, while also delaying aging in mice. This effect is achieved through the regulation of intestinal ecological homeostasis and the repair of the intestinal immune barrier., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier B.V.)
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- 2024
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24. Synthesis and Evaluation of 99m Tc-Labeled D Pro-Gly-Containing Tracers Targeting PSMA.
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Li Z, Jiang Y, Ruan Q, Yin G, Han P, Duan X, and Zhang J
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The specific expression of prostate-specific membrane antigen (PSMA) makes it an ideal target for the diagnosis and treatment of prostate cancer. Currently, many
99m Tc-labeled PSMA-targeted tracers have been developed. However, the high renal uptake of these99m Tc-labeled tracers is a common problem that limits their clinical application. In this work, the ligand (EUKPG) usingD Pro-Gly as the linker was synthesized and three99m Tc-labeled complexes ([99m Tc]Tc-EUKPG-EDDA, [99m Tc]Tc-EUKPG-TPPTS, [99m Tc]Tc-EUKPG-TPPMS) with different coligands were prepared and evaluated. Among them, [99m Tc]Tc-EUKPG-EDDA showed the most favorable pharmacokinetic properties, with significantly reduced uptake in the kidney (14.04 ± 0.23% ID/g), rapid clearance and low uptake in nontarget organs, thus making it to exhibit high tumor-to-background ratios (tumor/blood: 7.47, tumor/muscle: 12.65). Affinity studies have shown that it has high specificity for PSMA both in vivo and in vitro . Therefore, [99m Tc]Tc-EUKPG-EDDA has great potential as a promising molecular tracer to target PSMA for tumor imaging.- Published
- 2024
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25. Metformin promotes anti-tumor immunity in STK11 mutant NSCLC through AXIN1-dependent upregulation of multiple nucleotide metabolites.
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Wang Z, Li K, Lu C, Feng M, Lin C, Yin G, Luo D, Liu W, Jin K, Dou Y, Wu DI, Zheng J, Zhang K, Li LI, and Fan X
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- Humans, Cell Line, Tumor, Up-Regulation, Metabolomics methods, Gene Expression Regulation, Neoplastic drug effects, Carcinoma, Non-Small-Cell Lung drug therapy, Carcinoma, Non-Small-Cell Lung genetics, Carcinoma, Non-Small-Cell Lung metabolism, Carcinoma, Non-Small-Cell Lung pathology, Lung Neoplasms drug therapy, Lung Neoplasms genetics, Lung Neoplasms metabolism, Lung Neoplasms pathology, Metformin pharmacology, AMP-Activated Protein Kinase Kinases, Protein Serine-Threonine Kinases metabolism, Protein Serine-Threonine Kinases genetics, Axin Protein genetics, Axin Protein metabolism, Nucleotides metabolism, Mutation
- Abstract
Background: Metformin has pleiotropic effects beyond glucose reduction, including tumor inhibition and immune regulation. It enhanced the anti-tumor effects of programmed cell death protein 1 (PD-1) inhibitors in serine/threonine kinase 11 ( STK11) mutant non-small cell lung cancer (NSCLC) through an axis inhibition protein 1 (AXIN1)-dependent manner. However, the alterations of tumor metabolism and metabolites upon metformin administration remain unclear., Methods: We performed untargeted metabolomics using liquid chromatography (LC)-mass spectrometry (MS)/MS system and conducted cell experiments to verify the results of bioinformatics analysis., Results: According to the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway database, most metabolites were annotated into metabolism, including nucleotide metabolism. Next, the differentially expressed metabolites in H460 (refers to H460 cells), H460_met (refers to metformin-treated H460 cells), and H460_KO_met (refers to metformin-treated Axin1
-/- H460 cells) were distributed into six clusters based on expression patterns. The clusters with a reversed expression pattern upon metformin treatment were selected for further analysis. We screened out metabolic pathways through KEGG pathway enrichment analysis and found that multiple nucleotide metabolites enriched in this pathway were upregulated. Furthermore, these metabolites enhanced the cytotoxicity of activated T cells on H460 cells in vitro and can activate the stimulator of the interferon genes (STING) pathway independently of AXIN1., Conclusion: Relying on AXIN1, metformin upregulated multiple nucleotide metabolites which promoted STING signaling and the killing of activated T cells in STK11 mutant NSCLC, indicating a potential immunotherapeutic strategy for STK11 mutant NSCLC., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors.)- Published
- 2024
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26. Entropy-Modulated Short-Chain Cathode for Low-Temperature All-Solid-State Li-S Batteries.
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Zhao W, Zhang Y, Liu Q, Song Y, Li X, Ren L, Yin G, Lou S, and Wang J
- Abstract
All-solid-state Li-S batteries (ASSLSBs) due to high theoretical energy density and exceptional safety are highly desirable for electric aircraft. However, as the flight altitude rises, the low-temperature performance is hampered by inadequate practical capacity. Here, we discover that low-temperature sulfur utilization is constrained by the multi-step endothermic conversion reaction. By introducing multi-chalcogen to modulate the local entropy, a short-chain molecule cathode is designed to shorten the reduction pathways and enhance low-temperature discharge capacity. Furthermore, the mismatched lithiation lattice of the short-chain cathode reduces the decomposition energy barriers, thus enhancing low-temperature charge/discharge reversibility. The designed short-chain cathode exhibits high cathode utilization (99.4%) and cycling stability (400 cycles, 92.2% retention) at room temperature, as well as delivers excellent discharge capacity (579.6 mAh g-1, -40 °C) and cycling performance (100 cycles, 98.4% retention, 394.9 Wh kg-1electrode, -20 °C) at low temperature. This study presents new opportunities to stimulate the development of low-temperature ASSLSBs., (© 2024 Wiley‐VCH GmbH.)
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- 2024
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27. Patient-specific pulmonary venous flow characterization and its impact on left atrial appendage thrombosis in atrial fibrillation patients.
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Fang R, Wang Z, Wang J, Gu J, Yin G, Chen Q, Xia X, and Li Z
- Abstract
Background: Cardioembolic strokes are commonly occurred in non-valvular atrial fibrillation (AF) patients, with over 90% of cases originating from clot in left atrial appendage (LAA), which is believed to be greatly related with hemodynamic characters. Numerical simulation is widely accepted in the hemodynamic analysis, and patient-specific boundaries are required for realistic numerical simulations., Method: This paper firstly proposed a method that maps personalized pulmonary venous flow (PVF) by utilizing the volume changes of the left atrium (LA) over the cardiac cycle. Then we used data from patients with AF to investigate the correlation between PVF patterns and hemodynamics within the LAA. Meanwhile, we conducted a fluid-structure interaction analysis to assess the impact of velocity- and time-related PVF parameters on LAA hemodynamic characters., Results: The analysis reveal that the ratio of systolic to diastolic peak velocity (V
S /VD ), and systolic velocity-time integral (VTI) showed a significant influence on LAA velocity in patients with atrial fibrillation, and the increases of velocity- and time-related parameters were found to be positively correlated with the blood update in the LAA., Conclusions: This study established a method for mapping patient-specific PVF based on LA volume change, and evaluated the relationship between PVF parameters and thrombosis risk. The present work provides an insight from PVF characters to evaluate the risk of thrombus formation within LAA in patients with AF., Competing Interests: Declaration of competing interest We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work, there is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, the manuscript entitled “Patient-specific pulmonary venous flow characterization and its impact on left atrial appendage thrombosis in patients with atrial fibrillation”., (Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.)- Published
- 2024
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28. Adenosine A2B receptor activation regulates the balance between T helper 17 cells and regulatory T cells, and inhibits regulatory T cells exhaustion in experimental autoimmune myositis.
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Zhou Y, Kang L, Yin G, Yang L, Chen B, Liu B, Zhu X, and Xie Q
- Abstract
Background: Idiopathic inflammatory myopathy (IIM) is a systemic autoimmune disease characterized by skeletal muscle involvement. This study aimed to investigate the role of adenosine receptor signalling pathways in the development of experimental autoimmune myositis (EAM)., Methods: An ecto-5'-nucleotidase (CD73) inhibitor, adenosine receptor agonists, a hypoxia-inducible factor-1α (HIF-1α) inhibitor or a vehicle were administered to control and EAM mice. Murine splenic CD4
+ or regulatory T cells (Tregs) were isolated using magnetic beads and subsequently stimulated with an adenosine A2B receptor agonist, a HIF-1α inhibitor, or vehicle in vitro. In cross-sectional studies, we collected 64 serum samples (69% female, 49 ± 9 years), 63 peripheral blood samples (70% female, 50 ± 11 years), and 34 skeletal muscle samples (71% female, 63 ± 6 years) from patients with IIM. Additionally, 35 serum samples and 30 peripheral blood samples were obtained from age- and sex-matched healthy controls, and six quadriceps muscle samples were collected from patients with osteoarthritis to serve as the normal group., Results: Patients with IIM exhibited increased CD73 [dermatomyositis (DM), polymyositis (PM): P < 0.01; immune-mediated necrotizing myopathy (IMNM): P < 0.0001] and adenosine deaminase (ADA) expression (DM: P < 0.001; PM, IMNM: P < 0.0001) in the skeletal muscles, and serum ADA levels [56.7 (95% CI: 53.7, 58.7) vs. 198.8 (95% CI: 186.2, 237.3) ng/μL, P < 0.0001]. Intervention with a CD73 inhibitor exacerbated (P = 0.0461), whereas adenosine receptor agonists (A1: P = 0.0009; A2B: P < 0.0001; A3: P = 0.0001) and the HIF-1α inhibitor (P = 0.0044) alleviated skeletal muscle injury in EAM mice. Elevated expression of programmed cell death protein-1 (PD1: P = 0.0023) and T-cell immunoglobulin and mucin-domain containing-3 (TIM3: P < 0.0001) in skeletal muscles of patients with IIM were correlated with creatine kinase levels (PD1, r = 0.7072, P < 0.0001; TIM3, r = 0.4808, P = 0.0046). PD1+ CD4+ (r = 0.3243, P = 0.0115) and PD1+ CD8+ (r = 0.3959, P = 0.0017) T cells were correlated with Myositis Disease Activity Assessment Visual Analogue Scale scores (muscle) in IIM. The exhausted Tregs were identified in the skeletal muscles of patients with IIM. Activation of the A2B adenosine receptor downregulated HIF-1α (protein or mRNA level, P < 0.01), resulting in decreased T helper cell 17 (Th17) (13.58% vs. 5.43%, P = 0.0201) and phosphorylated-signal transducer and activator of transcription 3 (p-STAT3)+ Th17 (16.32% vs. 6.73%, P = 0.0029), decreased exhausted Tregs (PD1+ Tregs: 53.55% vs. 40.28%, P = 0.0005; TIM3+ Tregs: 3.93% vs. 3.11%, P = 0.0029), and increased Tregs (0.45% vs. 2.89%, P = 0.0006) in EAM mice., Conclusions: The exhausted T cells may be pathogenic in IIM, and the activation of adenosine A2B receptor signalling pathway can regulate Th17/Treg balance and inhibit Tregs exhaustion, thereby slowing EAM disease progression., (© 2024 The Author(s). Journal of Cachexia, Sarcopenia and Muscle published by Wiley Periodicals LLC.)- Published
- 2024
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29. CD44 is associated with muscle inflammation in polymyositis and skin damage in idiopathic inflammatory myopathy.
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Zhou Y, Zhao Y, Yin G, Kang L, Zhu X, and Xie Q
- Abstract
Objectives: Idiopathic inflammatory myopathy (IIM) is a group of systemic autoimmune diseases characterised by muscle involvement. This study aims to reveal the characteristics of IIM subtypes and explore the molecular mechanisms underlying IIM., Methods: The STRING database was utilised to construct a protein-protein interaction network of differentially expressed genes obtained from the GSE128470, GSE3112, and GSE39454 datasets. The immune cell infiltration level was assessed by CIBERSORT in polymyositis (PM). Experimental autoimmune myositis (EAM) model mice were constructed for experimental verification. Serum levels of soluble CD44 (sCD44) were measured using enzyme-linked immunosorbent assay., Results: The upregulated hub gene CD44 was highly expressed in inflammatory cells infiltrating the skeletal muscle of patients with PM and in EAM mice. CD44 was correlated with both M1 macrophages (r=0.57, p<0.0001) and M2 macrophages (r=0.57, p<0.0001) in PM. Additionally, CD44+F4/80+ macrophages in skeletal muscle were increased (p<0.0001) and CD44 showed a stronger association with markers of M1 macrophage in EAM mice. Moreover, serum sCD44 levels were elevated in patients with IIM (p=0.0024), PM (p=0.0332) and dermatomyositis (p=0.0001) notably in the anti-melanoma differentiation-associated gene 5 antibody positive subtype (p=0.0007). sCD44 levels also positively correlated with visual analogue score (r=0.4424, p=0.0013), myositis intention to treat activity index (r=0.3938, p=0.0047), skin damage score (r=0.3796, p=0.0101) and skin activity score (r=0.4625, p=0.0014) in patients with IIM., Conclusions: This study suggests that macrophages expressing CD44 may be involved in the pathogenesis of PM, and sCD44 could serve as a potential marker for skin damage and activity in IIM.
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- 2024
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30. Novel 99m Tc-Labeled Mannose Derivative as a Highly Promising Single Photon Emission Computed Tomography Probe for Tumor Imaging.
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Yin G, Ruan Q, Jiang Y, Feng J, Han P, Wang Q, Li Z, and Zhang J
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- Animals, Humans, Mice, Tissue Distribution, Cell Line, Tumor, Organotechnetium Compounds chemistry, Organotechnetium Compounds pharmacokinetics, Organotechnetium Compounds chemical synthesis, Mice, Nude, Mice, Inbred BALB C, Female, Neoplasms diagnostic imaging, Mannose chemistry, Tomography, Emission-Computed, Single-Photon methods, Technetium chemistry, Radiopharmaceuticals chemistry, Radiopharmaceuticals chemical synthesis, Radiopharmaceuticals pharmacokinetics
- Abstract
18 F-2-fluoro-2-deoxy-d-glucose ([18 F]FDG) has been the most used positron emission tomography imaging agent for clinical applications. Single photon emission computed tomography (SPECT) imaging is cheaper and used more widely for diagnostic use, but there is no SPECT tumor imaging agent for clinical applications comparable to [18 F]FDG. Mannose is a C2 epimer of glucose and can also be transported into tumor cells via glucose transporters (GLUTs). To develop a novel SPECT tumor imaging agent with satisfactory tumor uptake and tumor/nontarget ratios, here a mannose derivative (CN7DM) was synthesized and radiolabeled with technetium-99m to prepare [99m Tc]Tc-CN7DM. The six-coordinated structure of [99m Tc]Tc-CN7DM was confirmed by the corresponding rhenium compound (Re-CN7DM). [99m Tc]Tc-CN7DM was transported into cancer cells via GLUTs and may be trapped in the cancer cells by electrostatic attraction. The probe exhibited high uptake in tumors and low uptake in nontarget tissues in mice bearing different tumors, indicating that [99m Tc]Tc-CN7DM exhibited promising potential for SPECT tumor imaging and warranted further clinical investigation.- Published
- 2024
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31. Diosgenin attenuates metabolic-associated fatty liver disease through the hepatic NLRP3 inflammasome-dependent signaling pathway.
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Yu W, Yin G, Chen S, Zhang X, Meng D, Wang L, Liu H, Jiang W, Sun Y, and Zhang F
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- Animals, Humans, Male, Hep G2 Cells, Rats, Diet, High-Fat adverse effects, Disease Models, Animal, Anti-Inflammatory Agents pharmacology, Anti-Inflammatory Agents therapeutic use, NLR Family, Pyrin Domain-Containing 3 Protein metabolism, Inflammasomes metabolism, Signal Transduction drug effects, Liver drug effects, Liver metabolism, Liver pathology, Non-alcoholic Fatty Liver Disease drug therapy, Non-alcoholic Fatty Liver Disease metabolism, Non-alcoholic Fatty Liver Disease immunology, Rats, Sprague-Dawley, Diosgenin pharmacology, Diosgenin therapeutic use
- Abstract
Metabolic-associated fatty liver disease (MAFLD) is one of the most common liver diseases worldwide; however, its pathogenesis and treatment methods have not been perfected. NOD-like receptor thermal protein domain-associated protein 3 (NLRP3) is a promising therapeutic target for MAFLD. Diosgenin (DG) is a natural compound that was identified in a traditional Chinese herbal medicine, which has pharmacological effects, such as anti-inflammatory, antioxidant, hepatoprotective, and hypolipidemic activities. In this study, we examined the effects and molecular mechanisms of DG on MAFLD in vitro and in vivo. We established a rat model by administering a high-fat diet (HFD). We also generated an in vitro MAFLD model by treating HepG2 cells with free fatty acids (FFAs). The results indicated that DG attenuated lipid accumulation and liver injury in both in vitro and in vivo models. DG downregulated the expression of NLRP3, apoptosis-associated speckle-like protein (ASC), cysteinyl aspartate specific proteinase-1 (caspase-1), gasdermin D (GSDMD), GSDMD-n, and interleukin-1β (IL-1β). In addition, we silenced and overexpressed NLRP3 in vitro to determine the effects of DG on antiMAFLD. Silencing NLRP3 enhanced the effect of DG on the treatment of MAFLD, whereas NLRP3 overexpression reversed its beneficial effects. Taken together, the results show that DG has a favorable effect on attenuating MAFLD through the hepatic NLRP3 inflammasome-dependent signaling pathway. DG represents a natural NLRP3 inhibitor for the MAFLD treatment., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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32. Inverse design of skull osteoinductive implants with multi-level pore structures through machine learning.
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Zhang J, Zhuang Y, Feng C, Li X, Chen K, Han L, Wang Y, Zhu X, Yang M, Yin G, Lin J, and Zhang X
- Abstract
How to accurately design a personalized matching implant that can induce skull regeneration is the focus of current research. However, the design space for the porous structure of implants is extensive, and the mapping relationships between these structures and their mechanical and osteogenic properties are complex. At present, the forward design of skull implants mainly relies on expert experience, leading to high cost and a lengthy process, while the existing inverse design approaches face challenges due to data dependence and manufacturing process errors. This study presents an efficient inverse design method for personalized multilevel structures of skull implants using a machine learning pipeline composed of a finite element method, topological optimization, and neural networks. Based on the mechanical response of the human body falls, this method can tailor multi-level structures for implants in various defect positions. The results show that the proposed method establishes a bidirectional relationship between topological parameters and mechanical properties, enabling the customization of mechanical behavior at low computational cost while accounting for manufacturing errors in the 3D printing process. Additionally, the design results are also mutually consistent with analytical relationships between lattice parameters and the elastic modulus obtained from experiments and finite element simulations. Thus, this study provides a general and practical approach to rapidly design skull osteoinductive implants.
- Published
- 2024
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33. Research trends on nanomaterials in triple negative breast cancer (TNBC): a bibliometric analysis from 2010 to 2024.
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Liang H, Yin G, Feng D, Chen H, Liu X, and Li J
- Abstract
Breast cancer (BC) is an important cause of cancer-related death in the world. As a subtype of BC with the worst prognosis, triple-negative breast cancer (TNBC) is a serious threat to human life and health. In recent years, there has been an increasing amount of research aimed at designing and developing nanomaterials for the diagnosis and treatment of TNBC. The purpose of this study was to comprehensively evaluate the current status and trend of the application of nanomaterials in TNBC through bibliometric analysis. Studies focusing on nanomaterials and cancer were searched from the Web of Science core collection (WOSCC) database, and relevant literature meeting the inclusion criteria was selected for inclusion in the study. VOSviewer and CiteSpace were used to perform bibliometric and visual analysis of the included publications. A total of 2338 studies were included. Annual publications have increased from 2010 to 2024. China, the United States and India were the leading countries in the field, accounting for 66.1%, 11.5% and 7.2% of publications, respectively. The Chinese Academy of Sciences and Li Yaping were the most influential institutions and authors, respectively. Journal of Controlled Release was considered the most productive journal. Cancer Research was considered to be the most co-cited journal. Drug delivery and anti-cancer mechanisms related to nanomaterials were considered to be the most widely studied aspects, and green synthesis and anti-cancer mechanisms were also recent research hotspots. In this study, the characteristics of publications were summarized, and the most influential countries, institutions, authors, journals, hot spots and trends in the application of nanomaterials in cancer were identified. These findings provide valuable insights into the current state and future direction of this dynamic field., (© 2024. Controlled Release Society.)
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- 2024
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34. Assessing the Impact of Primary-Series Infection and Booster Vaccination on Protection against Omicron in Hong Kong: A Population-Based Observational Study.
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Jiang J, Lau EHY, Zhou Z, Yin G, Lin Y, Cowling BJ, and Lam KF
- Abstract
This study aimed to assess the real-world effectiveness of vaccines and hybrid immunity in preventing infections during the Omicron prevalent period in Hong Kong. This study analyzed vaccination records and COVID-19 confirmed case records from 1 January 2022 to 28 January 2023 and included a total of 7,165,862 individuals with vaccination or infection records. This study found that an additional vaccine dose offered increased protection against Omicron BA.1/2 and BA.4 infections for individuals without prior infections in general. Hybrid immunity, acquired through vaccination and natural infection, was found to be significantly stronger than that provided by vaccines alone. The Comirnaty Original/Omicron BA.4/5 bivalent vaccine, introduced in December 2022, was associated with a lower risk of BA.4 infection when administered as a booster dose after three doses of CoronaVac. However, individuals with four doses of the CoronaVac vaccine did not exhibit a significantly lower risk of infection compared to those with three doses during the BA.4 dominant period. This study highlights the importance of promoting booster shot uptake and encouraging vaccination among those who have recovered from COVID-19 infections. The potential immune imprinting effect associated with the Comirnaty and CoronaVac vaccine underscores the need for continued surveillance and research to optimize vaccination strategies for emerging variants.
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- 2024
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35. Preparation and Antigenic Site Identification of Monoclonal Antibodies against PB1 Protein of H9N2 Subtype AIV.
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Cai Y, Yin G, Hu J, Liu Y, Huang X, Gao Z, Guo X, Jiang T, Sun H, and Feng X
- Abstract
Recently, low pathogenic avian influenza virus (LPAIV), including H9N2 subtype, has been common clinical epidemic strains, and is widely distributed globally. The PB1 protein is a key component of the viral RNA polymerase complex (vRNP), and is vital to viral transcription and translation. In this study, to investigate the antigenic determinants in the PB1 protein, the truncated PB1 sequence (1bp-735bp) from H9N2 subtype AIV was amplified with PCR, and expressed in plasmid pET-28a (+). After purification, the recombinant PB1 protein was used to immunize BALB/c mice. Following immunization, hybridoma cells producing PB1-specific monoclonal antibodies were generated through the fusion of splenic lymphocytes with SP2/0 cells. Then, four stable hybridoma cell lines (5F12, 5B3, 2H9, and 3E6) were screened using indirect ELISA and Western blotting. Furthermore, two antigenic sites, 67NPIDGPLPED76 and 97ESHPGIFENS106, were identified through the construction of truncated overlapping fragments of the PB1 protein. These sites were conserved among 28 AIV strains, and were located on the PB1 protein surface. The findings offer a theoretical reference for the development and improvement of H9N2 vaccines and offer biological materials for virus detection during AIV infection mechanisms.
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- 2024
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36. Visible-light-excited organic room temperature phosphorescence.
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Li L, Liu D, Zhou J, Qi M, Yin G, and Chen T
- Abstract
Purely organic room temperature phosphorescence (RTP) materials have evoked considerable attention owing to their fantastic optical properties and broad application prospects. However, most of the reported organic RTP materials can be only excited by UV light, leading to accelerated photoaging of organic phosphors and severe lesions of organisms under excitation. In contrast to UV light, visible light (380-780 nm) has much lower phototoxicity, deeper penetrability and easier accessibility, which make visible-light-excited RTP materials more favorable for practical uses, especially for life-related applications. Although it remains greatly challenging to construct visible-light-excited RTP materials, impressive progress has been made with the rapid development of this field. Herein, we systematically outline the significant progress achieved in visible-light-excited RTP materials, including the design and construction strategies, unique properties, underlying mechanisms and their vital applications. In the final section, we highlight the current challenges and research perspectives for suggesting future studies of visible-light-excited RTP materials.
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- 2024
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37. Targeting POLRMT by IMT1 inhibits colorectal cancer cell growth.
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Wang H, Liu Y, Lu XS, Wu Y, Gu W, and Yin G
- Subjects
- Humans, Animals, Mice, Cell Movement drug effects, Cell Line, Tumor, Mitochondria metabolism, Mitochondria drug effects, DNA-Directed RNA Polymerases metabolism, Proto-Oncogene Proteins c-akt metabolism, Xenograft Model Antitumor Assays, Mice, Inbred BALB C, Gene Expression Regulation, Neoplastic drug effects, Male, Colorectal Neoplasms pathology, Colorectal Neoplasms genetics, Colorectal Neoplasms metabolism, Colorectal Neoplasms drug therapy, Cell Proliferation drug effects, Mice, Nude, Apoptosis drug effects
- Abstract
This study investigates the potential anti-colorectal cancer (CRC) activity of IMT1, a novel specific inhibitor of mitochondrial RNA polymerase (POLRMT). Single-cell RNA sequencing data reveal that POLRMT is overexpressed in CRC cells. Additionally, elevated POLRMT expression was observed in local CRC tissues and cells, while its expression remained relatively low in colon epithelial tissues and cells. IMT1 significantly inhibited colony formation, cell viability, proliferation, cell cycle progression, and migration in both primary and immortalized CRC cells. Furthermore, IMT1 induced apoptosis and cell death in CRC cells. The inhibition of POLRMT by IMT1 disrupted mitochondrial functions in CRC cells, leading to mitochondrial depolarization, oxidative damage, and decreased ATP levels. Using targeted shRNA to silence POLRMT closely mirrored the effects of IMT1, showing robust anti-CRC cell activity. Crucially, the efficacy of IMT1 was diminished in CRC cells with silenced POLRMT. Contrarily, boosting POLRMT expression externally by a lentiviral construct promoted the proliferation and migration of CRC cells. Importantly, treatment with IMT1 or silencing POLRMT in primary colon cancer cells decreased the phosphorylation of Akt1-S6K1, whereas overexpression of POLRMT had the opposite effect. In nude mice, orally administering IMT1 potently restrained primary colon cancer xenograft growth. IMT1 suppressed POLRMT activity, disrupted mitochondrial function, hindered Akt-mTOR activation, and prompted apoptosis within the xenograft tissues. In addition, IMT1 administration suppressed lung metastasis of primary colon cancer cells in nude mice. These combined results highlight the robust anti-CRC activity of IMT1 by specifically targeting POLRMT., (© 2024. The Author(s).)
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- 2024
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38. Graphene Oxide-Based Antifungal Pesticide Delivery System for Tobacco Fungal Disease (Tobacco Target Spot) Control.
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Yin G, Luo Y, Jia W, Jiang X, Jiang Y, Wu X, Song S, Shen H, and Shen J
- Subjects
- Antifungal Agents chemistry, Antifungal Agents pharmacology, Plant Diseases prevention & control, Plant Diseases microbiology, Carbamates chemistry, Drug Carriers chemistry, Pesticides chemistry, beta-Cyclodextrins chemistry, Fungicides, Industrial chemistry, Fungicides, Industrial pharmacology, Graphite chemistry, Nicotiana chemistry, Strobilurins chemistry
- Abstract
In recent years, nanocarrier-based pesticide delivery systems have provided new possibilities for the efficient utilization of pesticides. In this research, we developed a hydroxypropyl-β-cyclodextrin-modified graphene oxide (GO-HP-β-CD) nanocarrier for pyraclostrobin (Pyr) delivery and studied its application for tobacco target spot disease control. GO-HP-β-CD has excellent pesticide-loading performance for Pyr (adsorption capacity of 1562.5 mg/g) and good water dispersibility and stability. Besides, GO-HP-β-CD shows pH-responsive release performance. In addition, GO-HP-β-CD also has better leaf affinity than Pyr, and it can effectively adhere to the leaf surface after simulated washing. The results of antifungal experiments indicate that GO-HP-β-CD-Pyr has a good preventive effect on tobacco target spot disease, and its EC
50 value is 0.384 mg/L, which is lower than Pyr. Specifically, this nanopesticide formulation does not contain toxic organic solvent or additive, so it has good environmental friendliness. Therefore, we believe that the GO-HP-β-CD-Pyr nanopesticide has brilliant potential in the prevention and control of tobacco diseases.- Published
- 2024
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39. Mendelian randomization study to assess causality between diet and phenotype of aging.
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Tu Y, Liu Y, Zhang X, Wang X, and Yin G
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- Humans, Diet methods, Mendelian Randomization Analysis methods, Aging physiology, Phenotype
- Abstract
Background and Objectives: Observational research findings have demonstrated correlations between diet and the process of aging. Nevertheless, there remains uncertainty regarding possible disruption caused by confounding variables. To elucidate the connections between diet and aging, we employed the Mendelian randomization analysis., Methods and Study Design: The exposure factor was the daily diet, whereas accelerated aging was measured through telomere length, facial aging (FA), frailty index (FI), and senescence-associated secretory phenotypes (SASPs), representing the outcome factors. The primary analysis employed IVW analysis, with additional MR-Egger and Weighted Median analyses conducted to assess the reliability of the findings. Furthermore, we analyzed the heterogeneity and pleiotropy of the results., Results: The results revealed that the consumption of salad/raw vegetables and oily fish exhibited a negative correlation with FA, whereas coffee intake showed a positive correlation with FA. On the other hand, the intake of cheese, oily fish, dried fruit, and cereal showed negative associations with FI. Additionally, coffee, alcohol, and pork intake were positively associated with FI. Lastly, the intake of bread exhibited a positively correlated with SASPs, while the intake of cheese and coffee showed a negative correlation with SASPs., Conclusions: Our study revealed that the consumption of cheese, vegetables, oily fish, dried fruit, bread, coffee, and alcohol was associated with the aging process. Interestingly, our findings suggest that coffee intake may accelerate aging, whereas intake of oily fish may delay the aging process. However, it is important to note that further well-designed prospective studies are required to validate our findings in the future., Competing Interests: The authors declare that there is no conflict of interest
- Published
- 2024
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40. A nomogram to predict the occurrence of pseudocyst in patients with acute pancreatitis.
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Ji F, Tang W, Yan W, Huang J, Liu Y, Zhou J, Qin S, Dai S, Ji Y, and Yin G
- Subjects
- Humans, Female, Male, Middle Aged, Risk Factors, Retrospective Studies, Adult, Aged, Incidence, Acute Disease, Nomograms, Pancreatitis complications, Pancreatitis etiology, Pancreatic Pseudocyst diagnostic imaging, Pancreatic Pseudocyst complications
- Abstract
Background: Pseudocyst formation is common in many patients with acute pancreatitis during follow-up. Many risk factors have been proposed to be associated with the development of PP, but the predictive factors are still underexplored. The focus of this study was to investigate whether early laboratory indicators could effectively predict the occurrence of PP., Methods: 2811 AP patients hospitalized in the Second Affiliated Hospital of Soochow University between November 2008 and September 2020 were retrospectively studied. Univariate and multivariate analyses were used to screen the risk variables. The nomograms of those risk factors were validated and evaluated by logistic analysis., Results: AP patients had a 6.1 % (172/2811) incidence of PP. In a univariate analysis, the development of PP was correlated with serum lactate dehydrogenase (LDH), albumin (ALB), calcium (Ca), hemoglobin (Hb), organ dysfunction, CT severity index (CTSI), etiology, age, etc. Further logistic regression analysis showed that the risk factors were different between hyperlipidemic pancreatitis patients (LDH, ALB and Ca) and non-hyperlipidemic pancreatitis patients (LDH, Hb, ALB and Ca). A nomogram based on the identified risk factors was developed. Our model showed good discrimination ability, with a boostrap - corrected C index of 0.905 (95 % CI = 0.875-0.935), and had well-fitted calibration curves. The area under the curve (AUC) of the nomogram were 0.905 (95 % CI = 0.875-0.935) and 0.933 (95 % CI = 0.890-0.975) in the training and validation groups, respectively. The results of DCA indicated that the nomogram may have clinic usefulness., Conclusions: The nomogram that incorporates early laboratory data (LDH, Hb, ALB, and Ca) in AP patients is able to predict the incidence of PP with greater accuracy than the CTSI and AP severity., Competing Interests: Declaration of competing interest The authors declare no competing interests., (Copyright © 2024. Published by Elsevier B.V.)
- Published
- 2024
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41. Immune-mediated necrotizing myopathy: A comprehensive review of the pathogenesis, clinical features, and treatments.
- Author
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Li C, Liu H, Yang L, Liu R, Yin G, and Xie Q
- Subjects
- Humans, Necrosis immunology, Autoimmune Diseases immunology, Autoimmune Diseases therapy, Autoimmune Diseases etiology, Autoimmune Diseases diagnosis, Animals, Immunosuppressive Agents therapeutic use, Muscle, Skeletal immunology, Muscle, Skeletal pathology, Muscle, Skeletal metabolism, Myositis immunology, Myositis therapy, Myositis pathology, Myositis diagnosis, Myositis etiology, Autoantibodies immunology
- Abstract
Immune-mediated necrotizing myopathy (IMNM) is a rare and newly recognized autoimmune disease within the spectrum of idiopathic inflammatory myopathies. It is characterized by myositis-specific autoantibodies, elevated serum creatine kinase levels, inflammatory infiltrate, and weakness. IMNM can be classified into three subtypes based on the presence or absence of specific autoantibodies: anti-signal recognition particle myositis, anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase myositis, and seronegative IMNM. In recent years, IMNM has gained increasing attention and emerged as a research hotspot. Recent studies have suggested that the pathogenesis of IMNM is linked to aberrant activation of immune system, including immune responses mediated by antibodies, complement, and immune cells, particularly macrophages, as well as abnormal release of inflammatory factors. Non-immune mechanisms such as autophagy and endoplasmic reticulum stress also participate in this process. Additionally, genetic variations associated with IMNM have been identified, providing new insights into the genetic mechanisms of the disease. Progress has also been made in IMNM treatment research, including the use of immunosuppressants and the development of biologics. Despite the challenges in understanding the etiology and treatment of IMNM, the latest research findings offer important guidance and insights for delving deeper into the disease's pathogenic mechanisms and identifying new therapeutic strategies., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
- Published
- 2024
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42. Exploring transformation of dissolved organic matters and dissolved organic nitrogen in full-scale anammox wastewater treatment: Temperature and microbial roles.
- Author
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Zhou T, Liu Q, Zhang S, Liu Y, Yin G, Wu W, Wang Y, and Guo J
- Subjects
- Anaerobiosis, Oxidation-Reduction, Bacteria metabolism, Bioreactors, Nitrogen, Wastewater chemistry, Temperature, Organic Chemicals, Water Purification methods
- Abstract
Variation of dissolved organic matters (DOM) in mainstream anammox process has received limited attention. This study systematically characterized DOM and dissolved organic nitrogen (DON) in a full-scale mainstream anammox wastewater treatment plant (WWTP) using spectroscopy and Fourier transform-ion cyclotron resonance mass spectrometry. Roles of bacterial community structures related with temperatures on DOM and DON transformations were analyzed. Results indicated that the WWTP removed highly bioavailable, S-containing DOM while producing more unsaturated, aromatic, and N-containing DOM. Higher relative abundances of Proteobacteria and Chloroflexi at low temperature resulted in greater removal rates of proteins, SMP-like and humic acid-like substances. At high temperature, higher relative abundance of Actinobacteriota increased lignin production. Principal component analysis revealed that temperature significantly impacted DOM characteristics compared to DON. These findings are crucial for understanding DOM and DON transformation during mainstream anammox WWTP., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
- Published
- 2024
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43. Single-Phase L1 0 -Ordered High Entropy Thin Films with High Magnetic Anisotropy.
- Author
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Beeson WB, Bista D, Zhang H, Krylyuk S, Davydov AV, Yin G, and Liu K
- Abstract
The vast high entropy alloy (HEA) composition space is promising for discovery of new material phases with unique properties. This study explores the potential to achieve rare-earth-free high magnetic anisotropy materials in single-phase HEA thin films. Thin films of FeCoNiMnCu sputtered on thermally oxidized Si/SiO
2 substrates at room temperature are magnetically soft, with a coercivity on the order of 10 Oe. After post-deposition rapid thermal annealing (RTA), the films exhibit a single face-centered-cubic phase, with an almost 40-fold increase in coercivity. Inclusion of 50 at.% Pt in the film leads to ordering of a single L10 high entropy intermetallic phase after RTA, along with high magnetic anisotropy and 3 orders of magnitude coercivity increase. These results demonstrate a promising HEA approach to achieve high magnetic anisotropy materials using RTA., (© 2024 The Author(s). Advanced Science published by Wiley‐VCH GmbH.)- Published
- 2024
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44. Macrophage GIT1 promotes oligodendrocyte precursor cell differentiation and remyelination after spinal cord injury.
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Liu H, Yi J, Zhang C, Li Y, Wang Q, Wang S, Dai S, Zheng Z, Jiang T, Gao P, Xue A, Huang Z, Kong F, Wang Y, He B, Guo X, Li Q, Chen J, Yin G, and Zhao S
- Subjects
- Animals, Mice, Cell Cycle Proteins metabolism, Cell Cycle Proteins genetics, Mice, Inbred C57BL, Mice, Knockout, Recovery of Function physiology, Disease Models, Animal, Tumor Necrosis Factor-alpha metabolism, Mice, Transgenic, Female, GTPase-Activating Proteins metabolism, GTPase-Activating Proteins genetics, Oligodendroglia metabolism, Spinal Cord Injuries metabolism, Spinal Cord Injuries pathology, Macrophages metabolism, Remyelination physiology, Cell Differentiation physiology, Oligodendrocyte Precursor Cells metabolism
- Abstract
Spinal cord injury (SCI) can result in severe motor and sensory deficits, for which currently no effective cure exists. The pathological process underlying this injury is extremely complex and involves many cell types in the central nervous system. In this study, we have uncovered a novel function for macrophage G protein-coupled receptor kinase-interactor 1 (GIT1) in promoting remyelination and functional repair after SCI. Using GIT1
flox/flox Lyz2-Cre (GIT1 CKO) mice, we identified that GIT1 deficiency in macrophages led to an increased generation of tumor necrosis factor-alpha (TNFα), reduced proportion of mature oligodendrocytes (mOLs), impaired remyelination, and compromised functional recovery in vivo. These effects in GIT1 CKO mice were reversed with the administration of soluble TNF inhibitor. Moreover, bone marrow transplantation from GIT1 CWT mice reversed adverse outcomes in GIT1 CKO mice, further indicating the role of macrophage GIT1 in modulating spinal cord injury repair. Our in vitro experiments showed that macrophage GIT1 plays a critical role in secreting TNFα and influences the differentiation of oligodendrocyte precursor cells (OPCs) after stimulation with myelin debris. Collectively, our data uncovered a new role of macrophage GIT1 in regulating the transformation of OPCs into mOLs, essential for functional remyelination after SCI, suggesting that macrophage GIT1 could be a promising treatment target of SCI., (© 2024 Wiley Periodicals LLC.)- Published
- 2024
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45. Nitrogen input modulates the effects of coastal acidification on nitrification and associated N 2 O emission.
- Author
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Zhou J, Zheng Y, Hou L, Qi L, Mao T, Yin G, and Liu M
- Subjects
- Climate Change, Hydrogen-Ion Concentration, Ecosystem, Ammonium Compounds, Nitrification, Nitrous Oxide, Nitrogen, Seawater chemistry
- Abstract
Acidification of coastal waters, synergistically driven by increasing atmospheric carbon dioxide (CO
2 ) and intensive land-derived nutrient inputs, exerts significant stresses on the biogeochemical cycles of coastal ecosystem. However, the combined effects of anthropogenic nitrogen (N) inputs and aquatic acidification on nitrification, a critical process of N cycling, remains unclear in estuarine and coastal ecosystems. Here, we showed that increased loading of ammonium (NH4 + ) in estuarine and coastal waters alleviated the inhibitory effect of acidification on nitrification rates but intensified the production of the potent greenhouse gas nitrous oxide (N2 O), thus accelerating global climate change. Metatranscriptomes and natural N2 O isotopic signatures further suggested that the enhanced emission of N2 O may mainly source from hydroxylamine (NH2 OH) oxidation rather than from nitrite (NO2 - ) reduction pathway of nitrifying microbes. This study elucidates how anthropogenic N inputs regulate the effects of coastal acidification on nitrification and associated N2 O emissions, thereby enhancing our ability to predict the feedbacks of estuarine and coastal ecosystems to climate change and human perturbations., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)- Published
- 2024
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46. Astragali Radix-Curcumae Rhizoma herb pair reduces the stemness of colorectal cancer cells through HIF-2α/β-catenin pathway.
- Author
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Sun R, Sun C, Yue Z, Yin G, Zhou L, Zhang S, Zhang Y, Tang D, and Tan X
- Subjects
- Animals, Cell Line, Tumor, Mice, Humans, Neoplastic Stem Cells drug effects, Epithelial-Mesenchymal Transition drug effects, Cell Movement drug effects, Rhizome chemistry, Antineoplastic Agents, Phytogenic pharmacology, Wnt Signaling Pathway drug effects, Colorectal Neoplasms drug therapy, Colorectal Neoplasms pathology, beta Catenin metabolism, Astragalus propinquus chemistry, Mice, Inbred BALB C, Drugs, Chinese Herbal pharmacology, Basic Helix-Loop-Helix Transcription Factors metabolism
- Abstract
Background: Colorectal cancer (CRC) is one of the most common causes of cancer-related mortality and significantly impairs quality of life. Astragali Radix-Curcumae Rhizoma (AC) is widely employed in the treatment of CRC in Chinese medicine, but the precise mechanisms remain unclear., Purpose: This study aimed to elucidate the mechanisms by which AC inhibits CRC progression., Methods: The active components of AC were identified using UPLC-MS/MS analysis. An orthotopic transplantation colorectal tumor model was established in BALB/c mice using the CT26-Lucifer cell line to evaluate the effects of AC. Tumor volumes were monitored using IVIS imaging technology. Histological examination of tumor morphology was performed with hematoxylin and eosin (H&E) staining. Transcriptomic sequencing of mouse tumor samples was conducted to identify critical pathways and molecular targets. The impact of AC on cell viability and migration was assessed using CCK-8 and wound healing assays, respectively. To investigate the effects of AC on CRC cells, an in vitro hypoxic model was established using cobalt chloride (CoCl
2 ), a hypoxia inducer. HIF-2α overexpression was achieved by constructing stable lentiviral vectors. Key targets identified from RNA-seq, such as c-Myc, Ki-67, β-catenin, cleaved caspase 3, CD133, and CD44, were evaluated using western blotting, qRT-PCR, and immunofluorescence assays. Epithelial-Mesenchymal Transition (EMT) and spheroid cloning assays were employed to evaluate phenotypic changes in cancer stem cells., Results: Twelve components of AC were identified. AC effectively inhibited CRC progression in vivo. Transcriptomic analysis highlighted hypoxic signaling as a significantly enriched pathway, implicating its role in suppressing CRC progression by AC. In the hypoxic model, AC inhibited the proliferation and migration of CRC cells in vitro. Furthermore, AC reduced cancer stemness by downregulating stemness markers, inhibiting EMT, and decreasing tumor sphere formation. The downregulation of hypoxic responses and the shift in stemness by AC involved attenuation of HIF-2α and WNT/β-catenin signaling., Conclusion: This study provides the first evidence that AC reduces the stemness of CRC and the inhibition of the transition of CRC to stem-like cells by AC is closely related to the downregulation of the HIF-2α/β-catenin pathway, especially under hypoxic conditions., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier GmbH. All rights reserved.)- Published
- 2024
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47. Low-Solvent-Coordination Solvation Structure for Lithium-Metal Batteries via Electric Dipole-Dipole Interaction.
- Author
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Kang C, Zhu J, Kong F, Xiao X, Huo H, Ma Y, Xiong Y, Luo Y, Lv T, Xie J, and Yin G
- Abstract
Unveiling inherent interactions among solvents, Li+ ions, and anions are crucial in dictating solvation-desolvation kinetics at the electrode/electrolyte interface. Developing an electrolyte with a low ion-transport barrier and minimal solvent coordination in its interfacial solvation structure is essential for forming an anion-derived solid-electrolyte interface, a key component for high-performance Li-metal batteries. In this study, we harness electric dipole-dipole synergistic interactions to formulate an electrolyte with significantly reduced interfacial solvent coordination. Operando characterization and theoretical analysis reveal that 2-fluoropyridine (FPy) with high dipole preferentially adsorbs onto the Li metal surface. The adsorbed FPy molecule squeezes succinonitrile in the primary solvation sheath through steric hindrance, leading to the formation of an inorganic-rich interphase. Consequently, the introduction of FPy enhances the reversible capacity of the LiCoO2||Li cell, which maintains a capacity of 143 mAh g-1 after 500 cycles at a 1C rate. Moreover, the cycle life of LiCoO2 batteries with a limited supply of lithium extends from 120 cycles to over 200 cycles. These findings offer a strategy that can be applied broadly to design interfacial solvation structures for various metal-ion/metal-based batteries., (© 2024 Wiley‐VCH GmbH.)
- Published
- 2024
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48. Association between radiotherapy and the risk of second primary malignancies in breast cancer patients with different estrogen receptor statuses.
- Author
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Zhao C, Yu Y, Xiang P, Liao J, Yu B, Xing Y, and Yin G
- Abstract
Background: Breast cancer is the most common cancer among women. Second primary malignancies (SPMs) related to radiotherapy are significant complications. This study aims to investigate the correlation between radiotherapy and the occurrence of SPMs in breast cancer patients with different estrogen receptor statuses., Methods: We used data from the Surveillance, Epidemiology, and End Results (SEER) database, selecting estrogen receptor(+) and estrogen receptor(-) breast cancer patients from 1990 to 2015, with SPMs as the outcome measure. Fine-Gray competing risks regression and Poisson regression were employed to analyze the relationship between radiotherapy and the risk of SPMs in different estrogen receptor status groups., Results: Radiotherapy was associated with an increased risk of lung cancer, melanoma, non-Hodgkin lymphoma, and leukemia in estrogen receptor(+) patients. In estrogen receptor(-) patients, radiotherapy was linked to an increased risk of brain cancer and leukemia. The cumulative incidence, standardized incidence ratio, and subgroup analyses showed consistent results. In the dynamic assessment of radiotherapy-related risks, estrogen receptor(+) patients aged 50-70 exhibited a higher risk of leukemia and melanoma. Lung cancer risk was highest during a latency period of 20-30 years, while melanoma, non-Hodgkin lymphoma, and leukemia risks peaked within the first 10 years. For estrogen receptor(-) patients, brain cancer risk was higher between ages 50 and 70, and leukemia risk was elevated between ages 20 and 50., Conclusion: Postoperative radiotherapy for breast cancer is associated with an increased risk of SPMs, with risks varying by estrogen receptor status and SPM type. Further research into the prevention of radiotherapy-related SPMs in different estrogen receptor status groups is crucial., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2024
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49. Rapid Response of Daphnia magna Motor Behavior to Mercury Chloride Toxicity Based on Target Tracking.
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Qin F, Zhao N, Yin G, Wang T, Jv X, Han S, and An L
- Abstract
A rapid and timely response to the impacts of mercury chloride, which is indispensable to the chemical industry, on aquatic organisms is of great significance. Here, we investigated whether the YOLOX (improvements to the YOLO series, forming a new high-performance detector) observation system can be used for the rapid detection of the response of Daphnia magna targets to mercury chloride stress. Thus, we used this system for the real-time tracking and observation of the multidimensional motional behavior of D. magna . The results obtained showed that the average velocity (v¯), average acceleration (a¯), and cumulative travel (L) values of D. magna exposed to mercury chloride stress changed significantly under different exposure times and concentrations. Further, we observed that v¯, a¯ and L values of D. magna could be used as indexes of toxicity response. Analysis also showed evident D. magna inhibition at exposure concentrations of 0.08 and 0.02 mg/L after exposure for 10 and 25 min, respectively. However, under 0.06 and 0.04 mg/L toxic stress, v¯ and L showed faster toxic response than a¯, and overall, v¯ was identified as the most sensitive index for the rapid detection of D. magna response to toxicity stress. Therefore, we provide a strategy for tracking the motile behavior of D. magna in response to toxic stress and lay the foundations for the comprehensive screening of toxicity in water based on motile behavior.
- Published
- 2024
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50. Multi-task heterogeneous graph learning on electronic health records.
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Chan TH, Yin G, Bae K, and Yu L
- Abstract
Learning electronic health records (EHRs) has received emerging attention because of its capability to facilitate accurate medical diagnosis. Since the EHRs contain enriched information specifying complex interactions between entities, modeling EHRs with graphs is shown to be effective in practice. The EHRs, however, present a great degree of heterogeneity, sparsity, and complexity, which hamper the performance of most of the models applied to them. Moreover, existing approaches modeling EHRs often focus on learning the representations for a single task, overlooking the multi-task nature of EHR analysis problems and resulting in limited generalizability across different tasks. In view of these limitations, we propose a novel framework for EHR modeling, namely MulT-EHR (Multi-Task EHR), which leverages a heterogeneous graph to mine the complex relations and model the heterogeneity in the EHRs. To mitigate the large degree of noise, we introduce a denoising module based on the causal inference framework to adjust for severe confounding effects and reduce noise in the EHR data. Additionally, since our model adopts a single graph neural network for simultaneous multi-task prediction, we design a multi-task learning module to leverage the inter-task knowledge to regularize the training process. Extensive empirical studies on MIMIC-III and MIMIC-IV datasets validate that the proposed method consistently outperforms the state-of-the-art designs in four popular EHR analysis tasks - drug recommendation, and predictions of the length of stay, mortality, and readmission. Thorough ablation studies demonstrate the robustness of our method upon variations to key components and hyperparameters., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
- Published
- 2024
- Full Text
- View/download PDF
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