6,959 results on '"Jing Gao"'
Search Results
2. Short segment myelitis as a dominant manifestation of cryptococcal infection: a case report
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Kaikai Huo, Jing Gao, Yao Wang, Xing Qin, and Xue Ma
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Cryptococcus neoformans ,Short segment myelitis ,Rituximab ,Tacrolimus ,Nephrotic syndrome ,Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Cryptococcal infection of central nervous system commonly involves meningitis or meningoencephalitis, but rarely mimics inflammatory myelitis. We present short segment myelitis as a dominant manifestation caused by Cryptococcus neoformans in a patient with nephrotic syndrome under immunosuppressive therapy. This case report highlights Cryptococcus neoformans as a potential etiological factor for short segment myelitis in immunocompromised hosts.
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- 2024
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3. Exhaustive clinical examination of etiology and initial response to first‐line treatment in 577 children with infantile epileptic spasm syndrome children: A 5‐year retrospective observational study
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Lin Wan, Wenrong Ge, Guoyin Liu, Wen He, Yan Liang, Shuo Dun, Huimin Yan, Jian Chen, Gang Zhu, Jing Gao, Xiuyu Shi, Jing Wang, Linyan Hu, Bo Zhang, Liping Zou, and Guang Yang
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Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Objective Employing whole‐exome sequencing (WES) technology to investigate the etiology of infantile epileptic spasm syndrome (IESS), and determining whether different etiologies exhibit phenotypic variations, while elucidating the potential associated factors, might improve short‐term responses to first‐line treatment. Methods We retrospectively evaluated patients with IESS admitted for treatment between January 2018 and June 2023. Clinical phenotypic differences among etiological classifications and clinical manifestations were analyzed. Variable selection using the best subset method was performed, followed by logistic regression analysis to identify the factors influencing treatment response. Results A total of 577 patients were included; 412 completed trio‐WES. Magnetic resonance imaging abnormalities were detected in 387 patients (67.1%). Patients with etiology as structural abnormalities were likelier to have non‐spasms at the initial seizure onset. A total of 532 patients completed the first‐line treatment; 273 patients received it for the first time at our hospital (initial response rates: 30.1% and 42.1%, respectively). The response group had a lower proportion of early‐onset seizures (≤3 months) than the no‐response group (11.3% vs. 23.7%, p
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- 2024
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4. Branched-chain amino acid transaminase 1 confers EGFR-TKI resistance through epigenetic glycolytic activation
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Tao Zhang, Zilu Pan, Jing Gao, Qingqing Wu, Gang Bai, Yan Li, Linjiang Tong, Fang Feng, Mengzhen Lai, Yingqiang Liu, Peiran Song, Yi Ning, Haotian Tang, Wen Luo, Yi Chen, Yan Fang, Hui Zhang, Qiupei Liu, Yudi Zhang, Hua Wang, Zhiwei Chen, Meiyu Geng, Hongbin Ji, Guilong Zhao, Hu Zhou, Jian Ding, and Hua Xie
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Medicine ,Biology (General) ,QH301-705.5 - Abstract
Abstract Third-generation EGFR tyrosine kinase inhibitors (TKIs), exemplified by osimertinib, have demonstrated promising clinical efficacy in the treatment of non-small cell lung cancer (NSCLC). Our previous work has identified ASK120067 as a novel third-generation EGFR TKI with remarkable antitumor effects that has undergone New Drug Application (NDA) submission in China. Despite substantial progress, acquired resistance to EGFR-TKIs remains a significant challenge, impeding the long-term effectiveness of therapeutic approaches. In this study, we conducted a comprehensive investigation utilizing high-throughput proteomics analysis on established TKI-resistant tumor models, and found a notable upregulation of branched-chain amino acid transaminase 1 (BCAT1) expression in both osimertinib- and ASK120067-resistant tumors compared with the parental TKI-sensitive NSCLC tumors. Genetic depletion or pharmacological inhibition of BCAT1 impaired the growth of resistant cells and partially re-sensitized tumor cells to EGFR TKIs. Mechanistically, upregulated BCAT1 in resistant cells reprogrammed branched-chain amino acid (BCAA) metabolism and promoted alpha ketoglutarate (α-KG)-dependent demethylation of lysine 27 on histone H3 (H3K27) and subsequent transcriptional derepression of glycolysis-related genes, thereby enhancing glycolysis and promoting tumor progression. Moreover, we identified WQQ-345 as a novel BCAT1 inhibitor exhibiting antitumor activity both in vitro and in vivo against TKI-resistant lung cancer with high BCAT1 expression. In summary, our study highlighted the crucial role of BCAT1 in mediating resistance to third-generation EGFR-TKIs through epigenetic activation of glycolysis in NSCLC, thereby supporting BCAT1 as a promising therapeutic target for the treatment of TKI-resistant NSCLC.
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- 2024
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5. A region-confined PROTAC nanoplatform for spatiotemporally tunable protein degradation and enhanced cancer therapy
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Jing Gao, Xingyu Jiang, Shumin Lei, Wenhao Cheng, Yi Lai, Min Li, Lei Yang, Peifeng Liu, Xiao-hua Chen, Min Huang, Haijun Yu, Huixiong Xu, and Zhiai Xu
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Science - Abstract
Abstract The antitumor performance of PROteolysis-TArgeting Chimeras (PROTACs) is limited by its insufficient tumor specificity and poor pharmacokinetics. These disadvantages are further compounded by tumor heterogeneity, especially the presence of cancer stem-like cells, which drive tumor growth and relapse. Herein, we design a region-confined PROTAC nanoplatform that integrates both reactive oxygen species (ROS)-activatable and hypoxia-responsive PROTAC prodrugs for the precise manipulation of bromodomain and extraterminal protein 4 expression and tumor eradication. These PROTAC nanoparticles selectively accumulate within and penetrate deep into tumors via response to matrix metalloproteinase-2. Photoactivity is then reactivated in response to the acidic intracellular milieu and the PROTAC is discharged due to the ROS generated via photodynamic therapy specifically within the normoxic microenvironment. Moreover, the latent hypoxia-responsive PROTAC prodrug is restored in hypoxic cancer stem-like cells overexpressing nitroreductase. Here, we show the ability of region-confined PROTAC nanoplatform to effectively degrade BRD4 in both normoxic and hypoxic environments, markedly hindering tumor progression in breast and head-neck tumor models.
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- 2024
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6. Moral courage level of nurses: a systematic review and meta-analysis
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Hang Li, JuLan Guo, ZhiRong Ren, Dingxi Bai, Jing Yang, Wei Wang, Han Fu, Qing Yang, Chaoming Hou, and Jing Gao
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Moral courage ,Moral distress ,Nurses ,Meta-analysis ,Nursing ,RT1-120 - Abstract
Abstract Background Moral distress occurs in daily nursing work and plagues nurses. Improving the level of moral courage is one of the main strategies to reduce moral distress, and low levels of moral courage may lead to nurse burnout, increased turnover, and reduced quality of care. Methods Nine electronic databases in Chinese and English were searched for the level of moral courage among nurses, including PubMed, Web of Science, EMBASE, CINAHL, CNKI, Wan fang, Wei pu, CBM and Cochrane Library, for the period from the date of database creation to April 5, 2023. The Agency for Healthcare Research and Quality (AHRQ) was used to assess the methodological quality of the included studies, followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and the Meta-analysis and Systematic Reviews of Observational Studies guidelines, and data from the included studies were meta-analyzed in STATA version 15 using a fixed-effects model. Results Seventeen cross-sectional studies of moderate or high quality met the eligibility criteria and involved 7718 nurses, and the Nurses’ Moral Courage Scale (NMCS) was used to measure the self-assessed moral courage level of nurses. Eleven of these studies reported total scores for nurses’ moral courage, and the meta-analysis results showed a pooled mean score of 78.94 (95% CI: 72.17, 85.72); Fourteen studies reported mean entry scores for nurses’ moral courage, and the meta-analysis results showed a pooled mean score of 3.93 (95% CI: 3.64, 4.23). Conclusion The results of the meta-analysis showed that nurses’ moral courage levels were in the medium to high range, among the nurses who seemed to be male, non-nursing managers, high school education, had not experienced ethical issues, and considering resignation had lower levels of moral courage. The results of the meta-analysis may provide some reference for nursing managers and even hospital administrators to develop strategies to optimize nursing quality.
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- 2024
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7. Association of the PCSK6 rs1531817(C/A) polymorphism with the prognosis and coronary stenosis in premature myocardial infarction patients: a prospective cohort study
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Li Sun, Jing-xian Wang, Jing Ma, Xu Zhang, Yu-Hang Wang, An-Ran Jing, Miao-Miao Liang, Jing-yu Liu, Yin Liu, and Jing Gao
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Premature myocardial infarction ,Proprotein convertase subtilisins/Kexin 6 ,Single nucleotide polymorphism ,Coronary stenosis ,Major adverse cardiovascular events ,Nutritional diseases. Deficiency diseases ,RC620-627 - Abstract
Abstract Background Proprotein convertase subtilisins/kexin 6 (PCSK6) polymorphisms have been shown to be associated with atherosclerosis progression. This research aimed to evaluate the relationship of PCSK6 rs1531817 polymorphisms with coronary stenosis and the prognosis in premature myocardial infarction (PMI) patients. Methods This prospective cohort analysis consecutively included 605 PMI patients who performed emergency percutaneous coronary intervention (PCI) at Tianjin Chest Hospital sequentially between January 2017 and August 2022, with major adverse cardiovascular events (MACEs) as the outcome. Analyses assessed the relationships among PCSK6 rs1531817 polymorphism, Gensini score (GS), triple vessel disease (TVD), and MACEs. Results 92 (16.8%) patients experienced MACEs with an average follow-up of 25.7 months. Logistic analysis revealed that the PCSK6 rs1531817 CA + AA genotype was an independent protective factor against high GS and TVD. Cox analysis revealed that the PCSK6 rs1531817 CA + AA genotype was an independent protective factor against MACEs. The mediation effect results showed that apolipoprotein A1/apolipoprotein B (ApoA1/ApoB) partially mediated the association between PCSK6 rs1531817 polymorphism and coronary stenosis and that total cholesterol/high-density lipoprotein (TC/HDL) and TVD partially and in parallel mediated the association between the PCSK6 rs1531817 polymorphism and MACEs. Conclusion Patients with the PCSK6 CA + AA genotype have milder coronary stenosis and a better long-term prognosis; according to the mediation model, ApoA1/ApoB and TC/HDL partially mediate. These results may provide a new perspective on clinical therapeutic strategy for anti-atherosclerosis and improved prognosis in PMI patients.
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- 2024
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8. To evaluate the performance of simultaneous amplification and testing assay for group B Streptococcus detection: comparison with real-time PCR and ddPCR assays
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Loukaiyi Lu, Yisheng Chen, Qiang Wang, Jing Gao, and Chunmei Ying
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Simultaneous amplification and testing (SAT) ,Real-time PCR (RT-PCR) ,Droplet digital PCR (dd PCR) ,Group B Streptococcus (GBS) ,Therapeutics. Pharmacology ,RM1-950 ,Infectious and parasitic diseases ,RC109-216 ,Microbiology ,QR1-502 - Abstract
Abstract Background To evaluate the performance of simultaneous amplification and testing (SAT) assay for the detection of group B Streptococcus (GBS) in maternal vaginal and perianal swabs compared with real-time polymerase chain reaction (RT-PCR). Methods We obtained vaginal and perianal swabs from 1474 pregnant women at the Obstetrics and Gynecology Hospital of Fudan University (Shanghai, China) between April 2023 and June 2023. Vaginal and perianal swabs were collected at 35–37 weeks of gestation. Swabs were tested for GBS simultaneously by using the SAT assay and RT-PCR, and a comparative analysis (kappa coefficient) was performed. Furthermore, we conducted additional droplet digital PCR (ddPCR) tests to confirm the results when there were controversial results between SAT and RT-PCR. In addition, we compared the limit of detection, technical specificity, repeatability and reproducibility of SAT-GBS with those of routine RT-PCR assays. Results In our study, the detection rate of clinical GBS according to the SAT assay was 11.5% (169/1471). The SAT assay showed a sensitivity of 91.8%, a specificity of 99.9%, a diagnostic accuracy of 98.9%, a positive predictive value (PPV) of 99.4% and a negative predictive value (NPV) of 98.8%. The kappa value between RT-PCR and SAT was 0.917. Conclusions This SAT assay for the detection of group B Streptococcus is not only easy to perform but can also detect GBS sensitively and specifically and may be used in the regular molecular diagnosis of GBS infection among pregnancies.
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- 2024
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9. Genome wide identification of novel DNA methylation driven prognostic markers in colorectal cancer
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Yuhua Ma, Yuanxin Li, Zhahong Wen, Yining Lai, Kulaixijiang Kamila, Jing Gao, Wang-yang Xu, Chengxiang Gong, Feifan Chen, Liuqing Shi, Yunzhi Zhang, Hanzhang Chen, and Min Zhu
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Medicine ,Science - Abstract
Abstract Colorectal cancer (CRC) stands as a major contributor to cancer-related fatalities within China. There is an urgent need to identify accurate biomarkers for recurrence predicting in CRC. Reduced representation bisulfite sequencing was used to perform a comparative analysis of methylation profiles in tissue samples from 30 recurrence to 30 non-recurrence patients with CRC. Least absolute shrinkage and selection operator method was performed to select the differential methylation regions (DMRs) and built a DNA methylation classifier for predicting recurrence. Based on the identified top DMRs, a methylation classifier was built and consisted of eight hypermethylated DMRs in CRC. The DNA methylation classifier showed high accuracy for predicting recurrence with an area under the receiver operator characteristic curve of 0.825 (95% CI 0.680–0.970). The Kaplan–Meier survival analysis demonstrated that CRC patients with high methylation risk score, evaluated by the DNA methylation classifier, had poorer survival than low risk score (Hazard Ratio 4.349; 95% CI 1.783–10.61, P = 0.002). And only CRC patients with low methylation risk score could acquire benefit from adjuvant therapy. The DNA methylation classifier has been proved as crucial biomarkers for predicting recurrence and exhibited promising prognostic value after curative surgery in patients with CRC.
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- 2024
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10. Easily misdiagnosed X-linked adrenoleukodystrophy
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Qiu-Hong Wang, Yang-Yang Wang, Jing Wang, Li-Ying Liu, Jing Gao, Guo-Zhen Hao, Chen Chen, Qian Lu, Shuo Dun, Qi Zhang, and Li-Ping Zou
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ABCD1 ,Addison ,Adrenoleukodystrophy ,Hit ,Infection ,Pediatrics ,RJ1-570 - Abstract
Abstract Background Addison’s disease and X-linked adrenoleukodystrophy (X-ALD) (Addison’s-only) are two diseases that need to be identified. Addison’s disease is easy to diagnose clinically when only skin and mucosal pigmentation symptoms are present. However, X-ALD (Addison’s-only) caused by ABCD1 gene variation is ignored, thus losing the opportunity for early treatment. This study described two patients with initial clinical diagnosis of Addison’s disease. However, they rapidly developed neurological symptoms triggered by infection. After further genetic testing, the two patients were diagnosed with X-ALD. Methods We retrospectively analyzed X-ALD patients admitted to our hospital. Clinical features, laboratory test results, and imaging data were collected. Whole-exome sequencing was used in molecular genetics. Results Two patients were included in this study. Both of them had significantly increased adrenocorticotropic hormone level and skin and mucosal pigmentation. They were initially clinically diagnosed with Addison’s disease and received hydrocortisone treatment. However, both patients developed progressive neurological symptoms following infectious disease. Further brain magnetic resonance imaging was completed, and the results suggested demyelinating lesions. Molecular genetics suggested variations in the ABCD1 gene, which were c.109_110insGCCA (p.C39Pfs*156), c.1394–2 A > C (NM_000033), respectively. Therefore, the two patients were finally diagnosed with X-ALD, whose classification had progressed from X-ALD (Addison’s-only) to childhood cerebral adrenoleukodystrophy (CCALD). Moreover, the infection exacerbates the demyelinating lesions and accelerates the onset of neurological symptoms. Neither the two variation sites in this study had been previously reported, which extends the ABCD1 variation spectrum. Conclusions Patients with only symptoms of adrenal insufficiency cannot be simply clinically diagnosed with Addison’s disease. Being alert to the possibility of ABCD1 variation is necessary, and complete genetic testing is needed as soon as possible to identify X-ALD (Addison’s-only) early to achieve regular monitoring of the disease and receive treatment early. In addition, infection, as a hit factor, may aggravate demyelinating lesions of CCALD. Thus, patients should be protected from external environmental factors to delay the progression of cerebral adrenoleukodystrophy.
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- 2024
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11. ROS-responsive & scavenging NO nanomedicine for vascular diseases treatment by inhibiting endoplasmic reticulum stress and improving NO bioavailability
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Jian Li, Jvhong Zhang, Pengcheng Yu, Han Xu, Meihui Wang, Zhebin Chen, Bo Yu, Jing Gao, Qiao Jin, Fan Jia, Jian Ji, and Guosheng Fu
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Cardiovascular diseases ,Nitric oxide ,Reactive oxygen species ,Endoplasmic reticulum stress ,Nanomedicine ,Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Biology (General) ,QH301-705.5 - Abstract
Vascular diseases seriously threaten human life and health. Exogenous delivery of nitric oxide (NO) represents an effective approach for maintaining vascular homeostasis during pathological events. However, the overproduction of reactive oxygen species (ROS) at vascular injury sites would react with NO to produce damaging peroxynitrite (ONOO−) species and limit the therapeutic effect of NO. Hence, we design a ROS-responsive NO nanomedicine (t-PBA&NO NP) with ROS scavenging ability to solve the dilemma of NO-based therapy. t-PBA&NO NP targets NO and anti-oxidant ethyl caffeate (ECA) to the injury sites via collagen IV homing peptide. The ROS-triggered ROS depletion and ECA release potently alleviate local oxidative stress via ROS scavenging, endoplasmic reticulum and mitochondrial regulation. It subsequently maximizes vascular modulation effects of NO, without production of harmful compounds, reactive nitrogen species (RNS). Therefore, it significantly increases competitiveness of human umbilical vein endothelial cells (HUVECs) over human aortic smooth muscle cells (HASMCs) both in vitro and in vivo. The strategy proved effective in inducing faster re-endothelialization, inhibiting neointimal formation and restoring vascular homeostasis. The synergy between ROS depletion and NO therapy served as a new inspiration for the treatment of cardiovascular diseases and other ROS-associated illnesses.
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- 2024
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12. CORACLE (COVID-19 liteRAture CompiLEr): A platform for efficient tracking and extraction of SARS-CoV-2 and COVID-19 literature, with examples from post-COVID with respiratory involvement
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Kristina Piontkovskaya, Yulian Luo, Pia Lindberg, Jing Gao, Michael Runold, Iryna Kolosenko, Chuan-Xing Li, and Åsa M. Wheelock
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Literature mining ,COVID-19 ,Citation maps ,MeSH maps ,Biotechnology ,TP248.13-248.65 - Abstract
Background: During the COVID-19 pandemic a need to process large volumes of publications emerged. As the pandemic is winding down, the clinicians encountered a novel syndrome - Post-acute Sequelae of COVID-19 (PASC) - that affects over 10 % of those who contract SARS-CoV-2 and presents a significant challenge in the medical field. The continuous influx of publications underscores a need for efficient tools for navigating the literature. Objectives: We aimed to develop an application which will allow monitoring and categorizing COVID-19-related literature through building publication networks and medical subject headings (MeSH) maps to identify key publications and networks. Methods: We introduce CORACLE (COVID-19 liteRAture CompiLEr), an innovative web application designed to analyse COVID-19-related scientific articles and to identify research trends. CORACLE features three primary interfaces: The ''Search'' interface, which displays research trends and citation links; the ''Citation Map'' interface, allowing users to create tailored citation networks from PubMed Identifiers (PMIDs) to uncover common references among selected articles; and the ''MeSH'' interface, highlighting current MeSH trends and their associations. Results: CORACLE leverages PubMed data to categorize literature on COVID-19 and PASC, aiding in the identification of relevant research publication hubs. Using lung function in PASC patients as a search example, we demonstrate how to identify and visualize the interactions between the relevant publications. Conclusion: CORACLE is an effective tool for the extraction and analysis of literature. Its functionalities, including the MeSH trends and customizable citation mapping, facilitate the discovery of emerging trends in COVID-19 and PASC research.
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- 2024
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13. Light energy utilization and measurement methods in crop production
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Zhaohong Lu, Jing Gao, Qi Wang, Zili Ning, Xianming Tan, Yi Lei, Jie Zhang, Jiaqi Zou, Lingxuan Wang, Chenyao Yang, Wenyu Yang, and Feng Yang
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Crop production ,Intercropping ,Light use efficiency ,Monoculture ,Photosynthesis model ,Remote sensing ,Agriculture (General) ,S1-972 ,Agricultural industries ,HD9000-9495 - Abstract
Efficient solar energy utilization is a crucial determinant of crop yield formation. Moreover, various planting methods have dissimilar impacts on crop solar energy utilization and its measurement methods. This study examined the differences in solar energy utilization between monoculture and intercropping by considering density configuration, plant type arrangement, timing schedule, and spatial layout. We further evaluated the traditional methodologies versus remote sensing technology for solar energy measurements and described the differences in calculation methods for monoculture and intercropping, drawing from the photosynthesis model. Additionally, we discussed the potential advantages and limitations of employing remote sensing technology for the monitoring and prediction of solar energy utilization in field crops.
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- 2024
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14. Integrating Au Catalysis and Engineered Amine Dehydrogenase for the Chemoenzymatic Synthesis of Chiral Aliphatic Amines
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Jianqiao Liu, Jing Bai, Yunting Liu, Liya Zhou, Ying He, Li Ma, Guanhua Liu, Jing Gao, and Yanjun Jiang
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Chemistry ,QD1-999 - Published
- 2024
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15. Long-term outcomes after particle radiation therapy in patients with nasopharyngeal adenoid cystic carcinoma
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Weixu Hu, Jiyi Hu, Qingting Huang, Jing Gao, Haojiong Zhang, and Lin Kong
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Nasopharyngeal adenoid cystic carcinoma (NACC) ,Proton therapy ,Carbon ion radiotherapy (CIRT) ,Long-term outcomes ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Background Nasopharyngeal adenoid cystic carcinoma (NACC) is a relatively rare salivary gland tumor that is generally associated with poor outcomes. High-dose radiotherapy is a key treatment for patients with NACC. This study reported the long-term efficacy and safety of particle beam radiation therapy (PBRT) for NACC. Methods and materials Twenty-six patients with nonmetastatic NACC who received definitive PBRT alone were included in this retrospective study. The majority of patients (92.3%) had locally advanced disease. Twenty-five (96.15%) patients received intensity-modulated proton radiotherapy (IMPT) followed by a carbon ion radiotherapy (CIRT) boost, and one patient received CIRT alone. Overall survival (OS), local control (LC), regional control (RC), and distant metastasis control (DMC) rates were calculated via the Kaplan-Meier method. Results The median follow-up time was 46.95 months for the entire cohort. Seven patients experienced local recurrence, and one patient experience neck lymph node recurrence. The 3- and 4-year OS, LC, RC, and DMC rates were 100% and 91.7%, 92.3% and 84.6%, 95.8% and 87.8%, and 90.2% and 71.3%, respectively. A total of 91.3% of the patients achieved complete remission of gross tumors at 1 year after PBRT. Severe acute toxicity was observed in only two patients. A grade 4 decrease in visual acuity was observed in one patient with orbital apex invasion. No late grade 3 or 5 toxicity was observed. Conclusion Definitive PBRT provided a satisfactory 4-year OS for patients with locally advanced NACC. The toxicity was acceptable and mild. Further follow-up is necessary to confirm the efficacy and safety of definitive PBRT for patients with NACC.
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- 2024
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16. Bond Properties of CFRP Externally Bonded Reinforcement on Groove in Concrete
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Zehong Han, Jing Gao, Huaihui Song, and Gongyi Xu
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CFRP sheets ,Concrete strength grade ,Groove size ,EBROG ,Bond properties ,Systems of building construction. Including fireproof construction, concrete construction ,TH1000-1725 - Abstract
Abstract Externally bonded reinforcement on groove (EBROG) is a significant reinforcement technology proposed by researchers to enhance the bond properties of reinforced concrete structural members. To understand the influence of groove size on concrete specimens of different strength, a total of 60 concrete specimens with 4 different strengths were cast with the single shear test in this paper, among which 48 EBROG specimens and 12 specimens with externally bonded reinforcement method (EBR) were used as the control group. The failure modes and failure mechanisms of specimens with various sizes and reinforcement methods were analyzed. Additionally, the test results of ultimate load, load–displacement curves, and bond-slip curves for specimens with different groove sizes were compared. The effectiveness of EBROG method in enhancing the ultimate load capacity at the bond interface of the specimens is proved. Furthermore, in situations where the volume of the groove was kept constant, the specimens with lower concrete strength and deeper groove exhibited superior bond properties. Also, the influence of groove width on bond properties was better than that of groove depth. Finally, the test results in this paper were compared with the prediction of the existing EBR and EBROG models to evaluate the performance of different models, and based on the original model, a prediction model for EBROG method in the groove region with higher accuracy was proposed.
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- 2024
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17. Country-specific determinants for COVID-19 case fatality rate and response strategies from a global perspective: an interpretable machine learning framework
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Cui Zhou, Åsa M. Wheelock, Chutian Zhang, Jian Ma, Zhichao Li, Wannian Liang, Jing Gao, and Lei Xu
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COVID-19 ,Global health ,Strategy ,Vaccination ,Case fatality rate ,Pandemics ,Computer applications to medicine. Medical informatics ,R858-859.7 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background There are significant geographic inequities in COVID-19 case fatality rates (CFRs), and comprehensive understanding its country-level determinants in a global perspective is necessary. This study aims to quantify the country-specific risk of COVID-19 CFR and propose tailored response strategies, including vaccination strategies, in 156 countries. Methods Cross-temporal and cross-country variations in COVID-19 CFR was identified using extreme gradient boosting (XGBoost) including 35 factors from seven dimensions in 156 countries from 28 January, 2020 to 31 January, 2022. SHapley Additive exPlanations (SHAP) was used to further clarify the clustering of countries by the key factors driving CFR and the effect of concurrent risk factors for each country. Increases in vaccination rates was simulated to illustrate the reduction of CFR in different classes of countries. Findings Overall COVID-19 CFRs varied across countries from 28 Jan 2020 to 31 Jan 31 2022, ranging from 68 to 6373 per 100,000 population. During the COVID-19 pandemic, the determinants of CFRs first changed from health conditions to universal health coverage, and then to a multifactorial mixed effect dominated by vaccination. In the Omicron period, countries were divided into five classes according to risk determinants. Low vaccination-driven class (70 countries) mainly distributed in sub-Saharan Africa and Latin America, and include the majority of low-income countries (95.7%) with many concurrent risk factors. Aging-driven class (26 countries) mainly distributed in high-income European countries. High disease burden-driven class (32 countries) mainly distributed in Asia and North America. Low GDP-driven class (14 countries) are scattered across continents. Simulating a 5% increase in vaccination rate resulted in CFR reductions of 31.2% and 15.0% for the low vaccination-driven class and the high disease burden-driven class, respectively, with greater CFR reductions for countries with high overall risk (SHAP value > 0.1), but only 3.1% for the ageing-driven class. Conclusions Evidence from this study suggests that geographic inequities in COVID-19 CFR is jointly determined by key and concurrent risks, and achieving a decreasing COVID-19 CFR requires more than increasing vaccination coverage, but rather targeted intervention strategies based on country-specific risks.
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- 2024
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18. PDO influenced interdecadal summer precipitation change over East China in mid-18th century
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Gebanruo Chen, Xiangyu Li, Zhiqing Xu, Yong Liu, Zhongshi Zhang, Shiyu Shao, and Jing Gao
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Environmental sciences ,GE1-350 ,Meteorology. Climatology ,QC851-999 - Abstract
Abstract There have been few case studies of the relationship between the Pacific Decadal Oscillation (PDO) and the East Asian climate before the pre-industrial era with limited anthropogenic impacts. Using the CESM Last Millennium Ensemble (CESM-LME) simulation with reconstruction evidence, we showed that there was an interdecadal transition of the summer precipitation in East China, with the pattern of “southern flooding and northern drought” in the mid-18th century. The interdecadal transition was influenced by PDO, as suggested by both the reconstruction evidence and simulation. Corresponding to the positive PDO phase change, the East Asia-Pacific pattern teleconnection wave train propagated northward and modulated the circulation and precipitation in East China, together with the southward movement of the East Asian westerly jet. The volcanic double or clustered eruptions are thought to have played a crucial role on the shift of the PDO phase and the decadal summer climate change over East China during the mid-18th century. Incorporating volcanic activity in a reasonable manner would likely improve decadal simulations of East Asian climate in the past and predictions in the future.
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- 2024
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19. Magnetic wrinkled organosilica-based metal-enzyme integrated catalysts for enhanced chemoenzymatic catalysis
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Yunting Liu, Na Guo, Weixi Kong, Shiqi Gao, Guanhua Liu, Liya Zhou, Jing Gao, and Yanjun Jiang
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Magnetic wrinkled organosilica ,Chemoenzymatic catalysis ,Co-immobilization ,Asymmetric synthesis ,Chiral amines/alcohols ,Dynamic kinetic resolution ,Chemical technology ,TP1-1185 ,Biochemistry ,QD415-436 - Abstract
Core-shell structured magnetic wrinkled organosilica-based metal-enzyme integrated catalysts were synthesized, and their catalytic performances were studied in the chemoenzymatic dynamic kinetic resolution of chiral amines in an organic solvent, as well as in the chemoenzymatic synthesis of chiral alcohols in water. Structure-performance studies revealed the important influence of their tunable structure and composition on the optimization of activity, stability, and recyclability in chemoenzymatic catalysis.
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- 2024
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20. Developing and validating a Domain-specific Grit Scale for College Athletic Students
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Feng Gao, Qiang Wei, Xiyue Dong, Jing Gao, Shan Lu, and Yang Liu
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Domain-specific Grit Scale ,College athletic students ,Scale development ,Scale validation ,Measurement invariance ,Medicine ,Science - Abstract
Abstract The aim of this study was to create and validate a ten-item Domain-specific Grit Scale for College Athletic Students (DGSCAS) to assess the level of grit among college athletic students. College athletic students from a single independent college located in a northern city in China (526 participants at time 1 and 589 participants at time 2) were assessed according to the scale. Various analyses were conducted in this study, including exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and measurement invariance analysis across different sex and birthplaces. The results of the EFA revealed two factors: consistency of interests and perseverance of effort. The CFA results demonstrated acceptable fit indices (x 2 = 160.048, df = 34, x 2 /df = 4.707, CFI = 0.983, TLI = 0.978, SRMR = 0.021, and RMSEA = 0.079). The scale exhibited satisfactory convergent validity and discriminant validity. The significant correlation of these factors with the Grit scale provided strong evidence of criterion-related validity. Measurement invariance analysis indicated that the scale performed consistently across different sex and birthplaces. Three limitations and corresponding recommendations were discussed, including sample heterogeneity, the lack of a unified test result as a criterion for predictive validity, and the cross-sectional design of the study. In conclusion, the DGSCAS is a practical and validated instrument that can be used to assess the level of grit among college athletic students in an educational context.
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- 2024
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21. Whole-exome sequencing as the first-tier test for patients in neonatal intensive care unit: a Chinese single-center study
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Ruiping Zhang, Xiaoyu Cui, Yan Zhang, Huiqing Ma, Jing Gao, Ying Zhang, Jianbo Shu, Chunquan Cai, and Yang Liu
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Genetic disorders ,Neonatal intensive care unit ,Neonates ,Whole-exome sequencing ,Pediatrics ,RJ1-570 - Abstract
Abstract Background Genetic disorders significantly affect patients in neonatal intensive care units, where establishing a diagnosis can be challenging through routine tests and supplementary examinations. Whole-exome sequencing offers a molecular-based approach for diagnosing genetic disorders. This study aimed to assess the importance of whole-exome sequencing for neonates in intensive care through a retrospective observational study within a Chinese cohort. Methods We gathered data from neonatal patients at Tianjin Children’s Hospital between January 2018 and April 2021. These patients presented with acute illnesses and were suspected of having genetic disorders, which were investigated using whole-exome sequencing. Our retrospective analysis covered clinical data, genetic findings, and the correlation between phenotypes and genetic variations. Results The study included 121 neonates. Disorders affected multiple organs or systems, predominantly the metabolic, neurological, and endocrine systems. The detection rate for whole-exome sequencing was 52.9% (64 out of 121 patients), identifying 84 pathogenic or likely pathogenic genetic variants in 64 neonates. These included 13 copy number variations and 71 single-nucleotide variants. The most frequent inheritance pattern was autosomal recessive (57.8%, 37 out of 64), followed by autosomal dominant (29.7%, 19 out of 64). In total, 40 diseases were identified through whole-exome sequencing. Conclusion This study underscores the value and clinical utility of whole-exome sequencing as a primary diagnostic tool for neonates in intensive care units with suspected genetic disorders. Whole-exome sequencing not only aids in diagnosis but also offers significant benefits to patients and their families by providing clarity in uncertain diagnostic situations.
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- 2024
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22. Assessment of cheese sign and its association with vascular risk factors: Data from PUMCH dementia cohort
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Xinying Huang, Bo Hou, Jie Wang, Jie Li, Li Shang, Chenhui Mao, Liling Dong, Caiyan Liu, Feng Feng, Jing Gao, Bin Peng, Ting Gao, and Xiuyuan Hao
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Medicine - Abstract
Abstract. Background:. In the clinic, practitioners encounter many patients with an abnormal pattern of dense punctate magnetic resonance imaging (MRI) signal in the basal ganglia, a phenomenon known as "cheese sign". This sign is reported as common in cerebrovascular diseases, dementia, and old age. Recently, cheese sign has been speculated to consist of dense perivascular space (PVS). This study aimed to assess the lesion types of cheese sign and analyze the correlation between this sign and vascular disease risk factors. Methods:. A total of 812 patients from Peking Union Medical College Hospital (PUMCH) dementia cohort were enrolled. We analyzed the relationship between cheese sign and vascular risk. For assessing cheese sign and defining its degree, the abnormal punctate signals were classified into basal ganglia hyperintensity (BGH), PVS, lacunae/infarctions and microbleeds, and counted separately. Each type of lesion was rated on a four-level scale, and then the sum was calculated; this total was defined as the cheese sign score. Fazekas and Age-Related White Matter Changes (ARWMC) scores were used to evaluate the paraventricular, deep, and subcortical gray/white matter hyperintensities. Results:. A total of 118 patients (14.5%) in this dementia cohort were found to have cheese sign. Age (odds ratio [OR]: 1.090, 95% confidence interval [CI]: 1.064–1.120, P
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- 2024
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23. Shared Decision-making in Palliative and End‑of‑life Care in the Cardiac Intensive Care Unit
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Sarah Godfrey, Alexis Barnes, Jing Gao, Jason N Katz, and Sarah Chuzi
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Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Patients and clinicians in the cardiac intensive care unit (CICU) are often tasked with making high-stakes decisions about aggressive or life-sustaining therapies. Shared decision-making (SDM), a collaborative process where patients and clinicians work together to make medical decisions that are aligned with a patient’s goals and values, is therefore highly relevant in the CICU, especially in the context of palliative or end-of-life decisions. Despite its importance, there are barriers to optimal integration and implementation of SDM. This review describes the fundamentals and models of SDM, the role of SDM in the CICU, and evidence-based strategies to promote SDM in the CICU.
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- 2024
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24. Shaping the immune landscape: Multidimensional environmental stimuli refine macrophage polarization and foster revolutionary approaches in tissue regeneration
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Jing-Dong Xue, Jing Gao, Ai-Fang Tang, and Chao Feng
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Macrophage polarization ,Immune response ,Environmental stimuli ,Tissue regeneration ,Science (General) ,Q1-390 ,Social sciences (General) ,H1-99 - Abstract
In immunology, the role of macrophages extends far beyond their traditional classification as mere phagocytes; they emerge as pivotal architects of the immune response, with their function being significantly influenced by multidimensional environmental stimuli. This review investigates the nuanced mechanisms by which diverse external signals ranging from chemical cues to physical stress orchestrate macrophage polarization, a process that is crucial for the modulation of immune responses. By transitioning between pro-inflammatory (M1) and anti-inflammatory (M2) states, macrophages exhibit remarkable plasticity, enabling them to adapt to and influence their surroundings effectively. The exploration of macrophage polarization provides a compelling narrative on how these cells can be manipulated to foster an immune environment conducive to tissue repair and regeneration. Highlighting cutting-edge research, this review presents innovative strategies that leverage the dynamic interplay between macrophages and their environment, proposing novel therapeutic avenues that harness the potential of macrophages in regenerative medicine. Moreover, this review critically evaluates the current challenges and future prospects of translating macrophage-centered strategies from the laboratory to clinical applications.
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- 2024
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25. High casein concentration induces diarrhea through mTOR signal pathway inhibition in post-weaning piglets
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Jing Gao, Li Ma, Yulong Yin, Yongzhong Chen, and Tiejun Li
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dietary protein concentration ,weaned piglets ,post-weaning diarrhea ,solute carrier ,gut microbiota ,mTOR signaling pathway ,Microbiology ,QR1-502 - Abstract
Weaning is one of the most challenging periods in a pig’s life, during which piglets suffer from nutrition and other issues. Post-weaning diarrhea is one of the major health problems in the pig industry, leading to high morbidity and mortality rates. Previous studies have demonstrated that both the source and concentration of proteins are closely associated with post-weaning diarrhea in piglets. This study was conducted to prevent and control post-weaning diarrhea by selecting different dietary protein concentrations. To eliminate interference from other protein sources, casein was used as the only protein source in this study. Fourteen piglets (weighing 8.43 ± 0.3 kg, weaned on the 28th day) were randomly assigned to two dietary protein groups: a low-protein group (LP, containing 17% casein) and a high-protein group (HP, containing 30% casein). The experiment lasted 2 weeks, during which all piglets had ad libitum access to food and water. Diarrhea was scored on a scale from 1 to 3 (where 1 indicates normal stools and 3 indicates watery diarrhea), and growth performance measurements were recorded daily. The results showed that the piglets in the HP group had persistent diarrhea during the whole study, whereas no diarrhea was observed among piglets in the control group. The body weights and feed intake were significantly lower in piglets in the HP group compared to those in the LP group (p
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- 2024
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26. Immunomics in one health: understanding the human, animal, and environmental aspects of COVID-19
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Jing Gao, Chutian Zhang, Åsa M. Wheelock, Siming Xin, Hui Cai, Lei Xu, and Xiao-jun Wang
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immunomics ,one health ,SARS-CoV2 ,COVID-19 ,immunology ,Immunologic diseases. Allergy ,RC581-607 - Abstract
The coronavirus disease 2019 (COVID-19) pandemic underscores the critical need to integrate immunomics within the One Health framework to effectively address zoonotic diseases across humans, animals, and environments. Employing advanced high-throughput technologies, this interdisciplinary approach reveals the complex immunological interactions among these systems, enhancing our understanding of immune responses and yielding vital insights into the mechanisms that influence viral spread and host susceptibility. Significant advancements in immunomics have accelerated vaccine development, improved viral mutation tracking, and broadened our comprehension of immune pathways in zoonotic transmissions. This review highlights the role of animals, not merely as carriers or reservoirs, but as essential elements of ecological networks that profoundly influence viral epidemiology. Furthermore, we explore how environmental factors shape immune response patterns across species, influencing viral persistence and spillover risks. Moreover, case studies demonstrating the integration of immunogenomic data within the One Health framework for COVID-19 are discussed, outlining its implications for future research. However, linking humans, animals, and the environment through immunogenomics remains challenging, including the complex management of vast amounts of data and issues of scalability. Despite challenges, integrating immunomics data within the One Health framework significantly enhances our strategies and responses to zoonotic diseases and pandemic threats, marking a crucial direction for future public health breakthroughs.
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- 2024
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27. Evaluation of a novel PET tracer [18F]-Florbetazine for Alzheimer's disease diagnosis and β-amyloid deposition quantification
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Meiqi Wu, Chao Ren, Chenhui Mao, Liling Dong, Bo Li, Xueqian Yang, Zhenghai Huang, Haiqiong Zhang, Yuying Li, Mengshi Yan, Qi Ge, Runze Wu, Feng Feng, Mengchao Cui, Jing Gao, and Li Huo
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[18F]-Florbetazine ,[18F]-92 ,β-amyloid ,Dynamic PET ,PET/CT ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 - Abstract
[18F]-Florbetazine ([18F]-92) is a selective PET tracer for β-amyloid (Aβ) depositions with a novel diaryl-azine scaffold to reduce lipophilicity and to achieve higher gray-to-white matter contrast. We aimed to assess its diagnostic value in Alzheimer's disease (AD) and pharmacokinetics characteristics in human subjects. Methods: Six healthy controls (HCs) and nine AD patients underwent dynamic PET examination with [18F]-Florbetazine and a structural MRI scan. The time-activity-curves (TACs) for volumes of interest (VOIs) in cerebral cortex, cerebellar cortex and cerebral white matter was depicted and their standardized uptake value ratios (SUVRs) with cerebellar cortex as reference were compared between HCs and AD patients. The cerebral gray-to-white matter SUV ratio (GWR) was also calculated. Results: In HCs, radioactivities in the cerebral cortex VOIs were homogeneously low and at the same level as in cerebellar cortex, while in AD patients, cortical VOIs expected to contain Aβ exhibited high radioactivity. Cerebral cortex SUVRs remain relatively low in HCs while keep increasing along with time in AD patients. After 15 min, the cerebral cortex SUVRs became significant higher in AD patients compared to HCs with 100 % discrimination accuracy. In AD patients, GWR remained over 1.3 for all time intervals and visual inspection showed lower uptake in cerebral white matter compared to cerebral cortex. Conclusion: [18F]-Florbetazine PET showed high uptake on Aβ plaques and high gray-to-white contrast in AD patients that are favorable in visual read. [18F]-Florbetazine can be potentially used for detection and quantification of Aβ depositions in the living human brain.
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- 2024
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28. Adenosine protects cardiomyocytes against acrolein-induced cardiotoxicity by enhancing mitochondrial homeostasis, antioxidant defense, and autophagic flux via ERK-activated FoxO1 upregulation
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Jing Gao, Xuyun Liu, Min Wang, Xin Zeng, Zhen Wang, Yan Wang, Jing Lou, Jiankang Liu, and Lin Zhao
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Adenosine ,Cardiotoxicity ,Mitochondria ,Phase II enzyme system ,Autophagy ,Environmental pollution ,TD172-193.5 ,Environmental sciences ,GE1-350 - Abstract
Acrolein is a ubiquitous gaseous air pollutant and endogenous toxicant, which poses strong risk for oxidative stress-related diseases such as cardiovascular disease. Adenosine has been identified as potential therapeutic agent for age-related cardiovascular disease, while the molecular mechanisms underlying its cardioprotection remain elusive. In the present study, we investigated the myocardial protective effects and the mechanism of adenosine on acrolein-induced toxicity in H9c2 cells and primary neonatal rat cardiomyocytes. We found that acrolein caused apoptosis of cardiomyocytes resulting from oxidative damage, autophagy defect, and mitochondrial dysfunction, as evidenced by loss of mitochondrial membrane potential, impairment of mitochondrial biogenesis, dynamics, and oxidative phosphorylation, decrease of mitochondrial deoxyribonucleic acid (mtDNA) copy number and adenosine 5’-triphosphate (ATP) production. Adenosine pretreatment protected against acrolein-induced cardiotoxicity by maintaining mitochondrial homeostasis, activating the phase II detoxifying enzyme system, promoting autophagic flux, and alleviating mitochondrial-dependent apoptosis. We further demonstrated that the up-regulation of forkhead box protein O1 (FoxO1) mediated by extracellular regulated protein kinases (ERK) activation contributes to the cardioprotection of adenosine. These results expand the application of adenosine in cardioprotection to preventing myocardial damages induced by environmental pollutant acrolein exposure, and uncover the adenosine-ERK-FoxO1 axis as the underlying mechanism mediating the protection of mitochondrial homeostasis, Nrf2-mediated antioxidant defense and autophagic flux, shedding light on the better understanding about the pathological mechanism of cardiovascular disease caused by environmental pollutants and applications of adenosine in cardioprotection.
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- 2024
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29. Dynamic responses of systemic immunity and splenic inflammation to long-term cyclic high-temperature exposure in growing pullets and laying hens
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Li Nan Xu, Jing Gao, Jing Wen Yao, Hong Chao Jiao, Xiao Juan Wang, Hai Lin, and Jing Peng Zhao
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long-term cyclic high-temperature ,systemic immunity ,splenic inflammation ,growing pullets ,laying hen ,Animal culture ,SF1-1100 - Abstract
ABSTRACT: Two trials were conducted to draw the phase-response curve of productive and immunological variables in heat-exposed layer chickens at different ages (71 to 130 d, and 211 to 270 d). Birds were acclimated to the following conditions for 60 d: constant optimal ambient temperature at 24°C and high ambient temperature at 34°C for 8 h/d (10:00–18:00). Data collection and biochemical measurements were performed every 10 d. In both age ranges, high temperature favored the innate immunity (P < 0.01) at the cost of performance (P < 0.05) during a given period, including the relative abundance of B and T-helper lymphocytes, lymphocyte proliferation ratio (B and T lymphocytes), and serum immunoglobulin contents (IgG and IgM) in the peripheral blood, as well as splenic expression of inflammation-related genes (iNOS, TLR-4, TNF-α, IL-6, and INF-γ). Compared with laying hens, growing pullets showed a time-delayed activation of immune response following heat challenge, and had no immunosuppression up to the end of exposure. Overall, the immune system of layer birds has a trade-off with production tissues in a hot environment, and exhibits distinct age-range-specific responses of acclimatization.
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- 2024
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30. CPT1A‐IL‐10‐mediated macrophage metabolic and phenotypic alterations ameliorate acute lung injury
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Muyun Wang, Di Wu, Ximing Liao, Haiyang Hu, Jing Gao, Linlin Meng, Feilong Wang, Wujian Xu, Shaoyong Gao, Jing Hua, Yuanyuan Wang, Qiang Li, Kun Wang, and Wei Gao
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acute lung injury ,carnitine palmitoyltransferase 1A ,fatty acid oxidation ,interleukin‐10 ,macrophage ,Medicine (General) ,R5-920 - Abstract
Abstract Background Acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) is a common acute respiratory failure due to diffuse pulmonary inflammation and oedema. Elaborate regulation of macrophage activation is essential for managing this inflammatory process and maintaining tissue homeostasis. In the past decades, metabolic reprogramming of macrophages has emerged as a predominant role in modulating their biology and function. Here, we observed reduced expression of carnitine palmitoyltransferase 1A (CPT1A), a key rate‐limiting enzyme of fatty acid oxidation (FAO), in macrophages of lipopolysaccharide (LPS)‐induced ALI mouse model. We assume that CPT1A and its regulated FAO is involved in the regulation of macrophage polarization, which could be positive regulated by interleukin‐10 (IL‐10). Methods After nasal inhalation rIL‐10 and/or LPS, wild type (WT), IL‐10‐/‐, Cre‐CPT1Afl/fl and Cre+CPT1Afl/fl mice were sacrificed to harvest bronchoalveolar lavage fluid, blood serum and lungs to examine cell infiltration, cytokine production, lung injury severity and IHC. Bone marrow‐derived macrophages (BMDMs) were extracted from mice and stimulated by exogenous rIL‐10 and/or LPS. The qRT‐PCR, Seahorse XFe96 and FAO metabolite related kits were used to test the glycolysis and FAO level in BMDMs. Immunoblotting assay, confocal microscopy and fluorescence microplate were used to test macrophage polarization as well as mitochondrial structure and function damage. Results In in vivo experiments, we found that mice lacking CPT1A or IL‐10 produced an aggravate inflammatory response to LPS stimulation. However, the addition of rIL‐10 could alleviate the pulmonary inflammation in mice effectively. IHC results showed that IL‐10 expression in lung macrophage decreased dramatically in Cre+CPT1Afl/fl mice. The in vitro experiments showed Cre+CPT1Afl/fl and IL‐10‐/‐ BMDMs became more “glycolytic”, but less “FAO” when subjected to external attacks. However, the supplementation of rIL‐10 into macrophages showed reverse effect. CPT1A and IL‐10 can drive the polarization of BMDM from M1 phenotype to M2 phenotype, and CPT1A‐IL‐10 axis is also involved in the process of maintaining mitochondrial homeostasis. Conclusions CPT1A modulated metabolic reprogramming and polarisation of macrophage under LPS stimulation. The protective effects of CPT1A may be partly attributed to the induction of IL‐10/IL‐10 receptor expression.
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- 2024
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31. Potential pharmaceuticals targeting neuroimmune interactions in treating acute lung injury
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Di Wu, Ximing Liao, Jing Gao, Yixuan Gao, Qiang Li, and Wei Gao
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acute lung injury ,airway innervation ,inflammation ,neuroimmune interaction ,potential pharmaceuticals ,Medicine (General) ,R5-920 - Abstract
Abstract Background and main body Although interactions between the nervous and immune systems have been recognized decades ago, it has become increasingly appreciated that neuroimmune crosstalk is among the driving factors of multiple pulmonary inflammatory diseases including acute lung injury (ALI). Here, we review the current understanding of nerve innervations towards the lung and summarize how the neural regulation of immunity and inflammation participates in the onset and progression of several lung diseases, especially ALI. We then present advancements in the development of potential drugs for ALI targeting neuroimmune interactions, including cholinergic anti‐inflammatory pathway, sympathetic‐immune pathway, purinergic signalling, neuropeptides and renin‐angiotensin system at different stages from preclinical investigation to clinical trials, including the traditional Chinese medicine. Conclusion This review highlights the importance of considering the therapeutic strategy of inflammatory diseases within a conceptual framework that integrates classical inflammatory cascade and neuroimmune circuits, so as to deepen the understanding of immune modulation and develop more sophisticated approaches to treat lung diseases represented by ALI. Key points The lungs present abundant nerve innervations. Neuroimmune interactions exert a modulatory effect in the onset and progression of lung inflammatory diseases, especially acute lung injury. The advancements of potential drugs for ALI targeting neuroimmune crosstalk at different stages from preclinical investigation to clinical trials are elaborated. Point out the direction for the development of neuroimmune pharmacology in the future.
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- 2024
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32. Cold atmospheric plasma in combination with laser therapy provides a window for the treatment of hyperproliferative skin disease
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Liyun Wang, Miaomiao Ren, Cheng Chen, Xingyu Yang, Chenchen Zhang, Jing Gao, Jingwen Wang, and Chunjun Yang
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Cold atmospheric plasma ,Laser therapy ,Hyperproliferative skin diseases ,Medicine (General) ,R5-920 - Abstract
Modern medical understanding suggests that hyperproliferative skin diseases (HSDs) are complex syndromes characterized by localized hypertrophy or hyperplasia and infiltration of inflammatory cells. Various treatments, including systemic and topical pharmacotherapy, laser interventions, photodynamic therapy, and surgery, have been proposed for managing HSDs. However, challenges such as wound healing and recurrence after laser treatment have hindered the effectiveness of laser therapy. To overcome these challenges, we conducted a study combining laser therapy with cold atmospheric plasma (CAP) for the treatment of HSDs. Seven patients with different forms of HSDs, who had not responded well to conventional treatments, were enrolled in the study. These HSDs included cases of erythroplasia of Queyrat, pyoderma gangrenosum, keloids and hypertrophic scars, cellulitis, cutaneous lichen planus, and verruca vulgaris. Laser therapy was performed to remove the hyperplastic skin lesions, followed immediately by daily CAP treatment. The results were promising, with all patients successfully treated and no recurrence observed during the follow-up periods. The combined application of CAP and laser therapy proved to be an effective and complementary strategy for managing HSDs. This innovative approach provide evidence for addressing the limitation of laser therapy by utilizing CAP to promote wound healing and mitigate inflammatory responses.Chinese Clinical Trial Registry (ChiCTR2300069993).
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- 2024
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33. TLR2/NF-кB signaling may control expansion and function of regulatory T cells in patients with severe fever with thrombocytopenia syndrome (SFTS)
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Meng-Meng Li, Shan-Shan Hu, Ling Xu, Jing Gao, Xin Zheng, Xiu-Ling Li, and Le-Le Liu
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Severe fever with thrombocytopenia syndrome ,SFTS index ,Regulatory T cells ,TLR2 ,NF-кB ,Science (General) ,Q1-390 ,Social sciences (General) ,H1-99 - Abstract
Severe fever with thrombocytopenia syndrome (SFTS) is a recently identified infectious ailment triggered by a new strain of bunyavirus. It is distinguished by elevated fatality rates, ranging from 12 % to 30 %. The mechanism underlying the development of severe illness caused by SFTS bunyavirus (SFTSV) is not yet fully understood. To evaluate the role of the TLR2 receptor pathway in regulating Treg function in the progression of SFTS disease and possible mechanisms, sequential serum samples from 29 patients with SFTS (15 mild, 14 severe cases) were examined. Flow cytometry was employed to scrutinize the phenotypic and functional characteristics of TLR2 expression on circulating CD4 T cells, CD8 T cells, and Tregs. In all admitted patients, the evaluation of correlations between the frequencies of the aforementioned cells and SFTS index (SFTSI) was conducted. For SFTS, the levels of TLR2 on CD4 T cells and Tregs were significantly heightened when compared to those in healthy subjects. Additionally, the expression of TLR2 on Tregs exhibited a positive correlation with Ki-67 expression in Tregs and the severity of disease. Additionally, compared with those in uninfected controls, the expression levels of NF-κB in Tregs were significantly increased. Collectively, Tregs may be activated and proliferate through the stimulation of the TLR2/NF-кB pathway in reaction to SFTSV infection.
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- 2024
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34. Frataxin Loss Promotes Angiotensin II–Induced Endothelial‐to‐Mesenchymal Transition
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Yuetong Guo, Xingyi Cheng, Chenglin Huang, Jing Gao, and Weili Shen
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EndoMT ,fatty acid oxidation ,frataxin ,sirtuin 3 ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Background The metabolic flexibility of endothelial cells is linked to their phenotypic plasticity. Frataxin is critical in determining the iron metabolism and fate of endothelial cells. This study aimed to investigate frataxin‐mediated metabolic remodeling during the endothelial‐to‐mesenchymal transition (EndoMT). Methods and Results Endothelial cell‐specific frataxin knockout and frataxin mutation mice were subjected to angiotensin II to induce hypertension. EndoMT and cardiac fibrosis were assessed using histological and protein expression analyses. Fatty acid oxidation (FAO) in microvascular endothelial cells was measured using a Seahorse XF96 analyzer. We showed that inhibition of FAO accompanies angiotensin II‐induced EndoMT. Frataxin knockout mice promote EndoMT, associated with increased cardiac fibrosis following angiotensin II infusion. Angiotensin II reduces frataxin expression, which leads to mitochondrial iron overload and subsequent carbonylation of sirtuin 3. In turn, carbonylated sirtuin 3 contributes to the acetylated frataxin at lysine 189, making it more prone to degradation. The frataxin/sirtuin 3 feedback loop reduces hydroxyl‐CoA dehydrogenase α subunit–mediated FAO. Additionally, silymarin is a scavenger of free radicals, restoring angiotensin II–induced reduction of FAO activity and sirtuin 3 and frataxin expression, improving EndoMT both in vitro and in vivo. Furthermore, frataxin mutation mice showed suppressed EndoMT and improved cardiac fibrosis. Conclusions The frataxin/sirtuin 3 feedback loop has the potential to attenuate angiotensin II–induced EndoMT by improving FAO.
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- 2024
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35. Preparation and performance of phase change thermoregulating fabric with high heat storage density via spray coating
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Xiyan Lang, Xuexue Xiang, and Jing Gao
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Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Chemical technology ,TP1-1185 ,Textile bleaching, dyeing, printing, etc. ,TP890-933 - Abstract
To achieve the efficient encapsulation of microencapsulated phase change materials (mPCMs) and the one-step preparation of a phase change fabric, we prepared self-adhesive phase change microcapsules. By adding sticky polymers during the preparation of the phase change microcapsules, the microcapsule preparation and thermoregulation finishing steps were integrated into a single process to realize the fast and efficient preparation of phase change thermoregulating fabrics with high energy storage density. A sticky polymer polyvinyl alcohol solution used instead of conventional water as the continuous phase medium for emulsion polymerization to synthesize sticky mPCMs in the emulsions, enabling their application in fabrics via rapid spraying. The micromorphology, chemical structure, thermal properties, dynamic heat storage and temperature regulation performance of the phase change fabrics with mPCMs were subsequently studied, revealing the successful preparation and effective adhesion of the mPCMs to the interior of the fabric. After about 10 min under simulated sunlight, the fabric treated with mPCMs exhibited a 14°C temperature buffering impact within the phase change temperature (~26°C) compared with the untreated fabric. The treated fabric also had a 4.5°C lower surface temperature upon reaching thermal equilibrium after 30 min, lead to the slower rise in the fabric temperature. Our approach simplified the preparation method into a one-step process to provide phase change thermoregulating fabrics with high heat storage density. These findings further demonstrated the potential of microencapsulated n-octadecane for thermal management applications, including automotive interiors, heat protection suits, sports clothing, thermoregulating covers for buildings and other commercial applications.
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- 2024
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36. Maintaining calcium homeostasis as a strategy to alleviate nephrotoxicity caused by evodiamine
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Chun-qi Yang, Cheng-cai Lai, Jin-chao Pan, Jing Gao, Bao-ying Shen, Yi Ru, Xin Shen, Yufu Liu, Ning-ning Shen, Bo-wei Li, Yu-guang Wang, and Yue Gao
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Evodiamine ,nephrotoxicity ,calcium overload ,apoptosis ,Environmental pollution ,TD172-193.5 ,Environmental sciences ,GE1-350 - Abstract
Evodiamine (EVO), the main active alkaloid in Evodia rutaecarpa, was shown to exert various pharmacological activities, especially anti-tumor. Currently, it is considered a potential anti-cancer drug due to its excellent anti-tumor activity, which unfortunately has adverse reactions, such as the risk of liver and kidney injury, when Evodia rutaecarpa containing EVO is used clinically. In the present study, we aim to clarify the potential toxic target organs and toxicity mechanism of EVO, an active monomer in Evodia rutaecarpa, and to develop mitigation strategies for its toxicity mechanism. Transcriptome analysis and related experiments showed that the PI3K/Akt pathway induced by calcium overload was an important step in EVO-induced apoptosis of renal cells. Specifically, intracellular calcium ions were increased, and mitochondrial calcium ions were decreased. In addition, EVO-induced calcium overload was associated with TRPV1 receptor activation. In vivo TRPV1 antagonist and calcium chelator effects were observed to significantly reduce body weight loss and renal damage in mice due to EVO toxicity. The potential nephrotoxicity of EVO was further confirmed by an in vivo test. In conclusion, TRPV1-mediated calcium overload-induced apoptosis is one of the mechanisms contributing to the nephrotoxicity of EVO due to its toxicity, whereas maintaining body calcium homeostasis is an effective measure to reduce toxicity. These studies suggest that the clinical use of EVO-containing herbal medicines should pay due attention to the changes in renal function of patients as well as the off-target effects of the drugs.
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- 2024
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37. Hierarchical distributed voltage control for active distribution networks with photovoltaic clusters based on distributed model predictive control and alternating direction method of multipliers
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Guangda Xu, Liang Liu, Yi Lu, Yuan Zhao, Yu Li, and Jing Gao
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active distribution network ,alternating direction method of multipliers (ADMM) ,distributed model predictive control (DMPC) ,hierarchical distributed voltage control (HDVC) ,Engineering (General). Civil engineering (General) ,TA1-2040 ,Electronic computers. Computer science ,QA75.5-76.95 - Abstract
Abstract This article proposes a hierarchical distributed voltage control (HDVC) scheme for active distribution networks (ADNs) with high penetration of photovoltaics based on distributed model predictive control (DMPC) and alternating direction method of multipliers (ADMM). The reactive power outputs of several photovoltaic clusters (PVCs) and photovoltaic (PV) units within each PVC are optimally coordinated to keep PV terminal voltages and the voltages of all critical buses of ADNs within the feasible range and mitigate voltage fluctuations. In the ADN layer, a distributed reactive power control scheme based on DMPC is designed for the PVC, which regulates the voltages of all critical buses to be closed to the rated value and mitigates the reactive power variations. In the PVC layer, the reactive power outputs of PV units are optimized based on ADMM to minimize the voltage deviation of each PV terminal and track the reactive power reference from the PVC control. The proposed HDVC scheme requires communication only between neighboring PVC controller, while each PV controller only communicates with the corresponding PVC controller. This regulates the voltages in a completely decentralized manner and effectively reduces the computation burden of the PVC and PV controllers. A modified Finnish distribution network with 10 PVCs was used to validate the control performance of the proposed HDVC scheme.
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- 2024
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38. Clinical characteristics and risk factors for mortality in pneumonia-associated acute respiratory distress syndrome patients: a single center retrospective cohort study
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Junlu Li, Jiaxin Zhou, Yingshuai Tan, Chunling Hu, Qingshan Meng, Jing Gao, and Lihua Xing
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mNGS (metagenomic next-generation sequencing) ,etiological diagnosis ,p-ARDS (pneumonia-associated acute respiratory distress syndrome) ,clinical characteristics ,risk factors for mortality ,Microbiology ,QR1-502 - Abstract
BackgroundPathogenic diversity may have contributed to the high mortality of pneumonia-associated acute respiratory distress syndrome (p-ARDS). Metagenomics next-generation sequencing (mNGS) serves as a valuable diagnostic tool for early pathogen identification. However, its clinical utility in p-ARDS remains understudied. There are still limited researches on the etiology, clinical characteristics and risk factors for 28-day mortality in p-ARDS patients.MethodsA single center retrospective cohort study of 75 p-ARDS patients was conducted. Patients were categorized into survival and deceased groups based on their 28-day outcomes. A comprehensive clinical evaluation was conducted, including baseline characteristics, laboratory indicators, outcomes and pathogen identification by mNGS and traditional microbiological testing. We then evaluated the diagnostic value of mNGS and identified clinical characteristics and risk factors for 28-day mortality in p-ARDS.ResultThe overall ICU mortality was 26.67%, and the 28-day mortality was 57.33%, with 32 cases (42.67%) in the survival group, and 43 cases (57.33%) in the deceased group. Patients in the deceased group were older than those in the survival group (68(59,73) years vs. 59(44,67) years, P=0.04). The average lengths of ICU and hospital stay were 9(5,13) days and 14(7,21) days, respectively. The survival group had longer lengths of ICU and hospital stay (ICU: 11(7,17) days and hospital: 17(9,27) days) compared to the deceased group (ICU: 8(4,11) days and hospital: 12(6,19) days) (P
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- 2024
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39. Molecular Engineering and Morphology Control of Covalent Organic Frameworks for Enhancing Activity of Metal‐Enzyme Cascade Catalysis
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Hao Zhao, Jialin Zhang, Yunting Liu, Xinlong Liu, Li Ma, Liya Zhou, Jing Gao, Guanhua Liu, Xiaoyang Yue, and Yanjun Jiang
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covalent organic framework ,dynamic kinetic resolution ,hollow structure ,metal‐enzyme integrated catalysts ,microenvironment modulation ,Science - Abstract
Abstract Metal‐enzyme integrated catalysts (MEICs) that combine metal and enzyme offer great potential for sustainable chemoenzymatic cascade catalysis. However, rational design and construction of optimal microenvironments and accessible active sites for metal and enzyme in individual nanostructures are necessary but still challenging. Herein, Pd nanoparticles (NPs) and Candida antarctica lipase B (CALB) are co‐immobilized into the pores and surfaces of covalent organic frameworks (COFs) with tunable functional groups, affording Pd/COF‐X/CALB (X = ONa, OH, OMe) MEICs. This strategy can regulate the microenvironment around Pd NPs and CALB, and their interactions with substrates. As a result, the activity of the COF‐based MEICs in catalyzing dynamic kinetic resolution of primary amines is enhanced and followed COF‐OMe > COF‐OH > COF‐ONa. The experimental and simulation results demonstrated that functional groups of COFs modulated the conformation of CALB, the electronic states of Pd NPs, and the affinity of the integrated catalysts to the substrate, which contributed to the improvement of the catalytic activity of MEICs. Further, the MEICs are prepared using COF with hollow structure as support material, which increased accessible active sites and mass transfer efficiency, thus improving catalytic performance. This work provides a blueprint for rational design and preparation of highly active MEICs.
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- 2024
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40. Diagnostic and predictive significance of the ferroptosis-related gene TXNIP in lung adenocarcinoma stem cells based on multi-omics
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Yuanyuan Zheng, Wei Yang, Weixuan Wu, Feng Jin, Dehua Lu, Jing Gao, and Shubin Wang
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Lung adenocarcinoma cancer ,Cancer stem cells ,Ferroptosis ,TXNIP ,Multi-omics analysis ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Background: Lung cancer stands as the foremost cause of cancer-related fatalities globally. The presence of cancer stem cells (CSCs) poses a challenge, rendering current targeted tumor therapies ineffective. This study endeavors to investigate a novel therapeutic approach focusing on ferroptosis and delves into the expression of ferroptosis-related genes within lung CSCs. Methods: We systematically examined RNA-seq datasets derived from lung tumor cells (LTCs) and lung cancer stem cells (LSCs), as previously investigated in our research. Our focus was on analyzing differentially expressed genes (DEGs) related to ferroptosis. Utilizing the Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO), we conducted functional analysis of these ferroptosis-related DEGs. Additionally, we employed protein‒protein interaction networks to identify hub genes. LC‒MS/MS analysis of LTCs and LSCs was conducted to pinpoint the crucial ferroptosis-related gene–thioredoxin-interacting protein (TXNIP).Further, we delved into the immune cell infiltration landscape of LTCs and LSCs, examining the correlation between TXNIP and lung adenocarcinoma (LUAD) using data from The Cancer Genome Atlas (TCGA) database. To complement these findings, we measured the expression levels of TXNIP, glutathione peroxidase 4(GPX4), nuclear receptor coactivator 4 (NCOA4) in LUAD tissues through immunohistochemistry (IHC) staining. Results: A total of 651 DEGs were identified, with 17 of them being ferroptosis-related DEGs. These seventeen genes were categorized into four groups: driver genes, suppressor genes, unclassified genes, and inducer genes. Enrichment analysis revealed significant associations with oxidative stress, cell differentiation, tissue development, and cell death processes. The RNA-seq analysis demonstrated consistent gene expression patterns with protein expression, as evidenced by mass spectrometry analysis. Among the identified genes, SFN and TXNIP were singled out as hub genes, with TXNIP showing particularly noteworthy expression. The expression of the ferroptosis-related gene TXNIP exhibited correlations with the presence of an immunosuppressive microenvironment, TNM stages, and the degree of histological differentiation.Also, the ferroptosis-markers GPX4 and NCOA4 displayed correlations with LUAD. This comprehensive analysis underscores the significance of TXNIP in the context of ferroptosis-related processes and their potential implications in cancer development and progression. Conclusion: The investigation conducted in this study systematically delved into the role of the ferroptosis-related gene TXNIP in Lung CSCs. The identification of TXNIP as a potentially valuable biomarker in this context could have significant implications for refining prognostic assessments and optimizing therapeutic strategies for advanced lung cancer.
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- 2024
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41. Upper extremity motor function before and after the cerebrospinal fluid tap test in patients with idiopathic normal pressure hydrocephalus: A retrospective study
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Caiyan Liu, Junji Wei, Liling Dong, Chenhui Mao, Jie Li, Xinying Huang, Bo Hou, Feng Feng, Liying Cui, Jing Gao, Jing Ni, and Xuehong Zhang
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Medicine - Published
- 2024
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42. Self-similarity study based on the particle sizes of coal-series diatomite
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Liang Cheng, Guangming Wang, Zhijun Ma, Hao Guo, Ye Gao, Qi Zhang, Jing Gao, and Hanghang Fu
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Medicine ,Science - Abstract
Abstract Coal-series diatomite (CSD) is widely distributed in China and has poor functional and structural properties and exhibits limited utilization of high value-added materials, resulting in a serious waste of resources and tremendous pressure on the environment. Moreover, due to differences in the mineralogical characteristics of CSD, different particle size scales (PSSs) have different functional structures and exhibit different self-similarities. In this study, we took CSD as the research object and PSS as the entry point and carried out a self-similarity study based on gas adsorption and an image processing method to illustrate the microstructures and self-similarities of different PSSs. The results showed that the pore structure of the CSD was dominated by mesopores and macropores and basically lacked micropores. The fractal dimensions were calculated with the Frenkel-Haisey-Hill (FHH) model and Menger model, and the D F1 values for − 0.025 mm and − 2 mm were 2.51 and 2.48, respectively, and the D M1 values were 3.75 and 3.79, respectively, indicating that the mesopore structure of the fine PSS was complex, whereas macropores were present in the coarse PSS. MATLAB was programmed to obtain grayscale thresholds, binarized images, grayscale histograms, three-dimensional (3D) reconstruction images and box dimensions, which enabled us to observe the microstructures and self-similarities of the CSD. Self-similarity studies based on particle sizes are very important for functional application of CSD.Please note that article title mismatch between MS and JS we have followed MS, kindly check and cofirm.Yes, I have checked and confirmed.Kindly check and confirm corresponding author mail id are correctly identified.Yes, I have checked and confirmed.
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- 2024
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43. Identification of novel protein biomarkers from the blood and urine for the early diagnosis of bladder cancer via proximity extension analysis
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Tong Kong, Yang Qu, Taowa Zhao, Zitong Niu, Xiuyi Lv, Yiting Wang, Qiaojiao Ding, Pengyao Wei, Jun Fu, Liang Wang, Jing Gao, Cheng Zhou, Suying Wang, Junhui Jiang, Jianping Zheng, Kaizhe Wang, and Kerong Wu
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Bladder cancer ,Diagnostic model ,Biomarkers ,Diagnosis ,Prognosis proximity extension assay (PEA) ,Medicine - Abstract
Abstract Background Bladder cancer (BC) is a very common urinary tract malignancy that has a high incidence and lethality. In this study, we identified BC biomarkers and described a new noninvasive detection method using serum and urine samples for the early detection of BC. Methods Serum and urine samples were retrospectively collected from patients with BC (n = 99) and healthy controls (HC) (n = 50), and the expression levels of 92 inflammation-related proteins were examined via the proximity extension analysis (PEA) technique. Differential protein expression was then evaluated by univariate analysis (p
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- 2024
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44. DIEANet: an attention model for histopathological image grading of lung adenocarcinoma based on dimensional information embedding
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Zexin Wang, Jing Gao, Min Li, Enguang Zuo, Chen Chen, Cheng Chen, Fei Liang, Xiaoyi Lv, and Yuhua Ma
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Auxiliary diagnosis ,Lung adenocarcinoma ,Grading ,Local information ,Dimensional information ,Medicine ,Science - Abstract
Abstract Efficient and rapid auxiliary diagnosis of different grades of lung adenocarcinoma is conducive to helping doctors accelerate individualized diagnosis and treatment processes, thus improving patient prognosis. Currently, there is often a problem of large intra-class differences and small inter-class differences between pathological images of lung adenocarcinoma tissues under different grades. If attention mechanisms such as Coordinate Attention (CA) are directly used for lung adenocarcinoma grading tasks, it is prone to excessive compression of feature information and overlooking the issue of information dependency within the same dimension. Therefore, we propose a Dimension Information Embedding Attention Network (DIEANet) for the task of lung adenocarcinoma grading. Specifically, we combine different pooling methods to automatically select local regions of key growth patterns such as lung adenocarcinoma cells, enhancing the model's focus on local information. Additionally, we employ an interactive fusion approach to concentrate feature information within the same dimension and across dimensions, thereby improving model performance. Extensive experiments have shown that under the condition of maintaining equal computational expenses, the accuracy of DIEANet with ResNet34 as the backbone reaches 88.19%, with an AUC of 96.61%, MCC of 81.71%, and Kappa of 81.16%. Compared to seven other attention mechanisms, it achieves state-of-the-art objective metrics. Additionally, it aligns more closely with the visual attention of pathology experts under subjective visual assessment.
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- 2024
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45. Exploring the factors affecting cruise passengers’ perceptions of value for money expressed in online reviews
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Yue Jiao, Yui-yip Lau, and Jing Gao
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History of scholarship and learning. The humanities ,AZ20-999 ,Social Sciences - Abstract
Abstract The complexity of cruise tourism is high, and various factors determine the product value. Value for money has an important effect on cruisers’ choices. This paper comprehensively discusses the effect of ship attributes and onboard and onshore experience on cruise passengers’ perception of value for money. This discussion is helpful for cruise companies to identify key attributes and subsequently implement improvement strategies. Taking nearly 100,000 items of tourist review data as samples, this paper primarily discusses the effect of cruisers’ nine-dimensional experience on the perception of value for money and the differences under different market positioning gleaned from content analysis, regression analysis and multi-group comparison. Results show that embarkation, cabin, dining, entertainment, service, fitness, activities, public room and shore excursion experiences have a significant effect on tourists’ perceptions of value for money. From the perspective of brand positioning, the situation of a luxury cruise is quite different from that of a standard and premium cruise, whereas the standard and premium cruise are similar. Furthermore, unlike standard and premium cruises, the physical attributes of luxury cruises such as ship size and launch year have no significant effect on tourists’ perceptions of value for money. Research results will help cruise companies improve tourist satisfaction and value for money based on market positioning and key attributes.
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- 2024
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46. Recent Advances of Stability and Stabilization Technology of Natural Astaxanthin
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Huiling HUANG and Jing GAO
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astaxanthin ,stability ,stabilization technology ,research progress ,Food processing and manufacture ,TP368-456 - Abstract
Natural astaxanthin is the strongest antioxidant in nature, and shows many physiological functions such as anti-inflammatory, anti-tumor and immune regulation. Astaxanthin has been widely used in the fields of food, medicine and cosmetics. However, natural astaxanthin is unstable and easily degraded during extraction, storage and processing. Therefore, many studies have focused on improving the stability of astaxanthin. In this paper, the factors and mechanisms affecting the stability of astaxanthin are introduced from three aspects: The astaxanthin structure, extraction solvent and the processing and storage environment. The basic principles, effects, advantages and disadvantages of existing astaxanthin stabilization systems, such as emulsions, microcapsules, liposomes, nanoparticles and nanodispersions are compared. The water solubility, stability and bioavailability of astaxanthin can be enhanced to varying degrees, while there are generally shortcomings of complex process and high cost. Future research should focus on the basic theory of various stabilization technologies, and promote the development of astaxanthin stabilization systems to be more efficient, green and intelligent with the help of molecular simulation technology.
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- 2024
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47. A hybrid model for stock price prediction based on multi-view heterogeneous data
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Wen Long, Jing Gao, Kehan Bai, and Zhichen Lu
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Market data ,Financial news ,Support vector machine ,Multi-view learning ,Heterogeneous data ,Public finance ,K4430-4675 ,Finance ,HG1-9999 - Abstract
Abstract Literature shows that both market data and financial media impact stock prices; however, using only one kind of data may lead to information bias. Therefore, this study uses market data and news to investigate their joint impact on stock price trends. However, combining these two types of information is difficult because of their completely different characteristics. This study develops a hybrid model called MVL-SVM for stock price trend prediction by integrating multi-view learning with a support vector machine (SVM). It works by simply inputting heterogeneous multi-view data simultaneously, which may reduce information loss. Compared with the ARIMA and classic SVM models based on single- and multi-view data, our hybrid model shows statistically significant advantages. In the robustness test, our model outperforms the others by at least 10% accuracy when the sliding windows of news and market data are set to 1–5 days, which confirms our model’s effectiveness. Finally, trading strategies based on single stock and investment portfolios are constructed separately, and the simulations show that MVL-SVM has better profitability and risk control performance than the benchmarks.
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- 2024
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48. Large airway T cells in adults with former bronchopulmonary dysplasia
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Jing Gao, Petra Um-Bergström, Melvin Pourbazargan, Eva Berggren-Broström, ChuanXing Li, Heta Merikallio, Riitta Kaarteenaho, Nichole Stacey Reinke, Craig E Wheelock, Erik Melén, Lindén Anders, Åsa M Wheelock, Georgios Rassidakis, Cristian Ortiz-Villalon, and Magnus Carl Sköld
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Bronchopulmonary dysplasia ,Asthma ,Adults ,Lymphocytes ,Bronchial wash ,Diseases of the respiratory system ,RC705-779 - Abstract
Abstract Background Bronchopulmonary Dysplasia (BPD) in infants born prematurely is a risk factor for chronic airway obstruction later in life. The distribution of T cell subtypes in the large airways is largely unknown. Objective To characterize cellular and T cell profiles in the large airways of young adults with a history of BPD. Methods Forty-three young adults born prematurely (preterm (n = 20), BPD (n = 23)) and 45 full-term-born (asthma (n = 23), healthy (n = 22)) underwent lung function measurements, and bronchoscopy with large airway bronchial wash (BW). T-cells subsets in BW were analyzed by immunocytochemistry. Results The proportions of both lymphocytes and CD8 + T cells in BW were significantly higher in BPD (median, 6.6%, and 78.0%) when compared with asthma (3.4% and 67.8%, p = 0.002 and p = 0.040) and healthy (3.8% and 40%, p
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- 2024
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49. TRP channels associated with macrophages as targets for the treatment of obese asthma
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Wenzhao Zhu, Dinxi Bai, Wenting Ji, and Jing Gao
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Obesity ,Asthma ,Obese asthma ,TRP channels ,Inflammation ,Nutritional diseases. Deficiency diseases ,RC620-627 - Abstract
Abstract Globally, obesity and asthma pose significant health challenges, with obesity being a key factor influencing asthma. Despite this, effective treatments for obese asthma, a distinct phenotype, remain elusive. Since the discovery of transient receptor potential (TRP) channels in 1969, their value as therapeutic targets for various diseases has been acknowledged. TRP channels, present in adipose tissue cells, influence fat cell heat production and the secretion of adipokines and cytokines, which are closely associated with asthma and obesity. This paper aims to investigate the mechanisms by which obesity exacerbates asthma-related inflammation and suggests that targeting TRP channels in adipose tissue could potentially suppress obese asthma and offer novel insights into its treatment.
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- 2024
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50. Comparative transcriptome analysis and identification of candidate R2R3-MYB genes involved in anthraquinone biosynthesis in Rheum palmatum L.
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Xia Zhao, Feng Yan, Yi-min Li, Jing Tang, Xiao-chen Hu, Zhao Feng, Jing Gao, Liang Peng, and Gang Zhang
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Comparative transcriptomics ,Gene family ,Anthraquinone biosynthesis ,R2R3-MYB ,Rheum palmatum ,Other systems of medicine ,RZ201-999 - Abstract
Abstract Background Rheum palmatum L. has important medicinal value because it contains biologically active anthraquinones. However, the key genes and TFs involved in anthraquinone biosynthesis and regulation in R. palmatum remain unclear. Methods Based on full length transcriptome data, in this study, we screened the differentially expressed genes in the anthraquinone biosynthesis pathway. The R2R3-MYB family genes of R. palmatum were systematically identified based on full-length transcriptome sequencing followed by bioinformatics analyses. The correlation analysis was carried out by using co-expression analysis, protein interaction analysis, and real-time fluorescence quantitative analysis after MeJA treatment. The RpMYB81 and RpMYB98 genes were amplified by RT-PCR, and their subcellular localization and self-activation characteristics were analyzed. Results Comparative transcriptome analysis results revealed a total of 3525 upregulated and 6043 downregulated DEGs in the CK versus MeJA group; 28 DEGs were involved in the anthraquinone pathway. Eleven CHS genes that belonged to the PKS family were differentially expressed and involved in anthraquinone biosynthesis. Twelve differentially expressed MYBs genes were found to be co-expressed and interact with CHS genes. Furthermore, 52 MYB genes were identified as positive regulators of anthraquinone biosynthesis and were further characterized. Three MYB genes including RpMYB81, RpMYB98, and RpMYB100 responded to MeJA treatment in R. palmatum, and the levels of these genes were verified by qRT-PCR. RpMYB81 was related to anthraquinone biosynthesis. RpMYB98 had an interaction with genes in the anthraquinone biosynthesis pathway. RpMYB81 and RpMYB98 were mainly localized in the nucleus. RpMYB81 had self-activation activity, while RpMYB98 had no self-activation activity. Conclusion RpMYB81, RpMYB98, and RpMYB100 were significantly induced by MeJA treatment. RpMYB81 and RpMYB98 are located in the nucleus, and RpMYB81 has transcriptional activity, suggesting that it might be involved in the transcriptional regulation of anthraquinone biosynthesis in R. palmatum.
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- 2024
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