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N6-methyladenosine methylation regulates the tumor microenvironment of Epstein-Barr virus-associated gastric cancer

World Journal of Gastrointestinal Oncology 2024年第6期16卷 2555-2570页

作者： Yu Zhang Fang Zhou Ming-Yu Zhang Li-Na Feng jia-Lun Guan Ruo-Nan Dong Yu-Jie Huang Su-Hong Xia jia-zhi liao Kai Zhao Department of Gastroenterology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Institute of Liver and Gastrointestinal Diseases Hubei Key Laboratory of Hepato-Pancreato-Biliary DiseasesTongji Hospital of Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Department of Pharmacy Wuhan Fourth HospitalWuhan 430030Hubei ProvinceChina

BACKGROUND N6-methyladenosine(m6A)methylation modification exists in Epstein-Barr virus(EBV)primary infection,latency,and lytic *** also modifies EBV latent genes and lytic ***-associated gastric cancer(EBVaGC)is a distinctive molecular subtype of *** hypothesized EBV and m6A methylation regulators interact with each other in EBVaGC to differentiate it from other types of *** To investigate the mechanisms of m6A methylation regulators in EBVaGC to determine the differentiating factors from other types of *** First,The Cancer Gene Atlas and Gene Expression Omnibus databases were used to analyze the expression pattern of m6A methylation regulators between EBVaGC and EBV-negative GC(EBVnGC).Second,we identified Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)functional enrichment of m6A-related differentially expressed *** quantified the relative abundance of immune cells and inflammatory factors in the tumor microenvironment(TME).Finally,cell counting kit-8 cell proliferation test,transwell test,and flow cytometry were used to verify the effect of insulin-like growth factor binding protein 1(IGFBP1)in EBVaGC cell *** m6A methylation regulators were involved in the occurrence and development of *** with EBVnGC,the expression levels of m6A methylation regulators Wilms tumor 1-associated protein,RNA binding motif protein 15B,CBL proto-oncogene like 1,leucine rich pentatricopeptide repeat containing,heterogeneous nuclear ribonucleoprotein A2B1,IGFBP1,and insulin-like growth factor 2 binding protein 1 were significantly downregulated in EBVaGC(P<0.05).The overall survival rate of EBVaGC patients with a lower expression level of IGFBP1 was significantly higher(P=0.046).GO and KEGG functional enrichment analyses showed that the immunity pathways were significantly activated and rich in immune cell infiltration in *** with EBVnGC,the infiltration of activated CD4+T cells,activated CD8+T cel

关键词： N6-methyladenosine methylation Tumor microenvironment Epstein-Barr virus Gastric cancer Insulin-like growth factor binding protein 1

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Suppression of MyD88 disturbs gut microbiota and activates the NLR pathway and hence fails to ameliorate DsS-inducedcolitis

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Precision Clinical Medicine 2024年第2期7卷 146-158页

作者： Jun-hua Li Yu Chen Zheng-hao Ye Li-ping Chen jia-xin Xu jian Han Lin Xie Shuai Xing De-an Tian Ursula Seidler jia-zhi liao Fang Xiao Department of Nephrology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Gastroenterology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Institute of Organ Transplantation Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Gastroenterology Hepatology and EndocrinologyHannover Medical SchoolHannover 30625Germany

Background:Myeloid differentiation factor 88(MyD88)is the core adaptor for Toll-like receptors defending against microbial invasion and initiating a downstream immune response during microbiota-host ***,the role of MyD88 in the pathogenesis of inflammatory bowel disease is *** study aims to investigate the impact of MyD88 on intestinal inflammation and ***:MyD88 knockout(MyD88^(-/-))mice and the MyD88 inhibitor(TJ-M2010-5)were used to investigate the impact of MyD88 on acute dextran sodium sulfate(Dss)-induced *** activity index,colon length,histological score,and inflammatory cytokines were examined to evaluate the severity of *** transcriptome analysis and 16S rDNA sequencing were used to detect the potential ***:In an acute DSS-colitis model,the severity of colitis was not alleviated in MyD88^(-/-)mice and TJ-M2010-5-treated mice,despite significantly lower levels of NF-kB activation being exhibited compared to control ***,16S rDNA sequencing and RNA transcriptome analysis revealed a higher abundance of intestinal Proteobacteria and an up-regulation of the nucleotide oligomerization domain-like receptors(NLRs)signaling pathway in colitis mice following MyD88 *** blockade of the NLRs signaling pathway or elimination of gut microbiota with broad-spectrum antibiotics in DsS-induced colitis mice treated with TJ-M2010-5 ameiorated the disease severity,which was not improved solely by MyD88 *** treatment with broad-spectrum antibiotics,downregulation of the NLR signaling pathway was ***:Our study suggests that the suppression of MyD88 might be associated with unfavorable changes in the composition of gut microbiota,leading to NLR-mediated immune activation and intestinal inflammation.

关键词： microbiota innate immunity myeloid differentiation factor 88,MyD88 inhibitor NOD-like receptor inflammatory bowel disease

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Development Path and Urgency of Further Strengthening Construction of Public Hospitals Based on Novel Coronavirus Pneumonia Treatment

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Current Medical Science 2020年第2期40卷 290-294页

作者： jia-zhi liao Jing WU Tongji Hospital Tongji Medical CollegeHuazhong University of Science and Technology.Wuhan 430030China

During the outbreak of novel coronavirus pneumonia(NCP)in Wuhan,public hospitals have played an important role in intensive care,case guidance and scheme *** the same time,it also faces unprecedented challenges and *** on the treatment of severe patients in Wuhan,combined with the treatment practice in Tongji Hospital affiliated to Tongji Medical College,Huazhong University of Science and Technology,this paper puts forward the urgency of further strengthening the construction of public hospitals,discusses the feasible path for promoting the development of public hospitals,so as to meet the growing medical needs of the people,improve the ability to respond to major public health emergencies,and effectively guarantee the safety of people's lives and the promotion of a healthy China construction.

关键词： novel coronavirus pneumonia public hospital epidemic prevention and control public health emergency construction

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Traditional Chinese herbal extracts inducing autophagy as a novel approach in therapy of nonalcoholic fatty liver disease

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World Journal of Gastroenterology 2017年第11期23卷 1964-1973页

作者： Cong Liu jia-zhi liao Pei-Yuan Li Division of Gastro-enterology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina

Non-alcoholic fatty liver disease(NAFLD) is one of the leading causes of chronic liver diseases around the world due to the modern sedentary and food-abundant lifestyle, which is characterized by excessive fat accumulation in the liver related with causes other than alcohol abuse. It is widely acknowledged that insulin resistance, dysfunctional lipid metabolism, endoplasmic reticulum stress, oxidative stress, inflammation, and apoptosis/necrosis may all contribute to NAFLD. Autophagy is a protective self-digestion of intracellular organelles, including lipid droplets(lipophagy), in response to stress to maintain homeostasis. Lipophagy is another pathway for lipid degradation besides lipolysis. It is reported that impaired autophagy also contributes to NAFLD. Some studies have suggested that the histological characteristics of NAFLD(steatosis, lobular inflammation, and peri-sinusoid fibrosis) might be improved by treatment with traditional Chinese herbal extracts, while autophagy may be induced. This review will provide insights into the characteristics of autophagy in NAFLD and the related role/mechanisms of autophagy induced by traditional Chinese herbal extracts such as resveratrol, Lycium barbarum polysaccharides, dioscin, bergamot polyphenol fraction, capsaicin, and garlic-derived S-allylmercaptocysteine, which may inhibit the progression of NAFLD. Regulation of autophagy/lipophagy with traditional Chinese herbal extracts may be a novel approach for treating NAFLD, and the molecular mechanisms should be elucidated further in the near future.

关键词： Traditional Chinese herbal extracts Nonalcoholic fatty liver disease Autophagy

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The Pathway of China’s Integrated Delivery System:Based on the Analysis of the Medical Consortium Policies

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Current Medical Science 2022年第6期42卷 1164-1171页

作者： Huan GAO Xing-li DU jia-zhi liao Li XIANG School of Medicine and Health Management Huazhong University of Science and TechnologyWuhan430030China Tongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China

With the deepening of China’s health-care reform,an integrated delivery system has gradually emerged with the function of improving the efficiency of the health-care delivery *** China’s integrated delivery system,a medical consortium plays an important role in integrating public hospitals and primary care *** first medical consortium policy issued after the COVID-19 pandemic apparently placed hope on accelerating the implementation of a medical consortium and tiered health-care delivery *** paper illustrates the possible future pathway of China’s medical consortium through retrospection of the 10-year process,changes of the series of policies,and characteristics of the policy issued in *** considered that a fully integrated medical consortium would be a major phenomenon in China's medical industry,which would lead to the formation of a dualistic care pattern in China.

关键词： health-care reform integrated delivery system medical consortium tiered health-care delivery system health policy

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Analysis of Monitoring,Early Warning and Emergency Response System for New Major Infectious Diseases in China and Overseas

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Current Medical Science 2021年第1期41卷 62-68页

作者： Xing-li DU Xin-rui ZHAO Huan GAO Wan-wan SHEN jia-zhi liao Tongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

In recent years,the impact of new major infectious diseases on people’s normal life is becoming more and more frequent,which has brought great impact on people’s life safety and social economy,especially the corona virus disease 2019,which has been sweeping the *** health and disease prevention and control systems in different countries have different performances in response to the pandemic,but they all have exposed many *** around the world urgently need to improve the monitoring,early warning and emergency response systems for new major infectious *** the outpost and main part of medical rescue,the hospital urgently needs to establish a set of scientifically advanced emergency response mechanism that is suitable for the business process of the medical system and unified standards in order to improve the response efficiency and quality of emergency treatment.

关键词： infectious diseases monitoring emergency response hospital

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Re-evaluating the nano-sized inorganic protective layer on Cu current collector for anode free lithium metal batteries

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Chinese Chemical Letters 2024年第7期35卷 452-455页

作者： Shuo Zhang Haitao liao zhi-Qun Liu Chong Yan jia-Qi Huang School of Materials Science&Engineering Beijing Institute of TechnologyBeijing 100081China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing 100081China Wuxi Yiwen Microelectronics Technology Co. Ltd.Wuxi 214000China Shanxi Research Institute for Clean Energy Tsinghua UniversityTaiyuan 030032China

Anode free lithium metal batteries(AF-LMBs)have conspicuous advantages both in energy density and the compatibility of battery manufacturing ***,the limited cycle life of AF-LMBs is a crucial factor hindering its practical *** or nitride artificial inorganic solid electrolyte interphase(SEI)has been found as an effective method to prolong the lifespan of ***,by investigating the impact of nano-sized inorganic gradient layers(LiF or Li3N)on initial Li deposition behavior,we notice that the Li^(+) diffusion barrier and the deposition morphology are highly depended on the thickness of inorganic *** protective layers cause larger overpotential as well as more aggregated Li^(+) *** study reveals that the ideal SEI should be synthesized thin and uniformly enough and uncontrollable artificial SEI can cause damage to the lifespan of AF-LMBs.

关键词： Anode free lithium metal battery Solid electrolyte interphase Nano-sized protective layer Lithium fluoride Li deposition behavior

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Simultaneous Bulk-and Surface-initiated Living Polymerization Studied with a Heterogeneous Stochastic Reaction Model

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Chinese Journal of Polymer Science 2024年第3期42卷 364-372,I0008页

作者： jia-Shu Ma zhi-Ning Huang jia-Hao Li Bang-Ping jiang Yan-Da liao Shi-Chen Ji Xing-Can Shen State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources(Ministry of Education of China)School of Chemistry and Pharmaceutical SciencesGuangxi Normal UniversityGuilin 541004China School of Computer Science and Engineering&School of Software Guangxi Normal UniversityGuilin 541004China

To better characterize the properties of surface-initiated polymers, simultaneous bulk-and surface-initiated polymerizations are usually carried out by assuming that the properties of the surface-initiated polymers resemble those of the bulk-initiated polymers. Through a Monte Carlo simulation using a heterogeneous stochastic reaction model, it was discovered that the bulk-initiated polymers exhibit a higher molecular weight and a lower dispersity than the corresponding surface-initiated polymers, which indicates that the equivalent assumption is invalid. Furthermore, the molecular weight distributions of the two types of polymers are also different, suggesting different polymerization mechanisms. The results can be simply explained by the heterogeneous distributions of reactants in the system. This study is helpful to better understand surface-initiated polymerization.

关键词： Surface-initiated polymerization Polymer brush Stochastic reaction model Heterogeneous polymerization Simultaneous polymerization

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Research progress on semi-continuous casting of magnesium alloys under external field

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China Foundry 2024年第5期21卷 516-524页

作者： Qi-yu liao Qi-chi Le Da-zhi Zhao Lei Bao Tong Wang Yong-hui jia Key Laboratory of Electromagnetic Processing of Materials Ministry of EducationNortheastern UniversityShenyang 110819China School of Materials Science and Engineering Northeastern UniversityShenyang 110819China Key Laboratory of Lightweight Structural Materials Liaoning ProvinceNortheastern UniversityShenyang 110819China Key Laboratory of Light-weight Materials Nanjing Tech UniversityNanjing 210009China

High-performance magnesium alloys are moving towards a trend of being produced on a large scale and in an integrated *** foundational key to their successful production is the high-quality cast *** alloys produced through the conventional semi-continuous casting process inevitably contain casting defects,which makes it challenging to manufacture high-quality *** integration of external field assisted controlled solidification technology,which combines physical fields such as electromagnetic and ultrasonic fields with traditional semi-continuous casting processes,enables the production of high-quality magnesium alloy ingots characterized by a homogeneous microstructure and absence of *** article mainly summarizes the technical principles of those external field assisted casting *** focus is on elaborating the refinement mechanism of different types of electromagnetic fields,ultrasonic fields,and combined physical fields during the solidification of magnesium ***,the development prospects of producing highquality magnesium alloy ingots through semi-continuous casting under the external field were discussed.

关键词： semi-continuous casting electromagnetic field ultrasonic field magnesium alloys refinement mechanism

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Determination of an Appropriate Endoscopic Monitoring Interval for Patients with Gastric Precancerous Conditions in China

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Current Medical Science 2023年第2期43卷 268-273页

作者： Kai ZHAO Li-na FENG Su-hong XIA Wang-dong ZHOU Ming-yu ZHANG Yu ZHANG Ruo-nan DONG De-an TIAN Mei LIU jia-zhi liao Department of Gastroenterology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China

Objective Gastric precancerous conditions such as atrophic gastritis(AG)and intestinal metaplasia(IM)are considered independent risk factors for gastric cancer(GC).The suitable endoscopic monitoring interval is unclear when we attempt to prevent GC *** study investigated the appropriate monitoring interval for AG/IM *** Totally,957 AG/IM patients who satisfied the criteria for evaluation between 2010 and 2020 were included in the *** and multivariate analyses were used to determine the risk factors for progression to high-grade intraepithelial neoplasia(HGIN)/GC in AG/IM patients,and to determine an appropriate endoscopic monitoring *** During follow-up,28 AG/IM patients developed gastric neoplasia lesions including gastric low-grade intraepithelial neoplasia(LGIN)(0.7%),HGIN(0.9%),and GC(1.3%).Multivariate analysis identified *** infection(P=0.022)and extensive AG/IM lesions(P=0.002)as risk factors for HGIN/GC progression(P=0.025).Conclusion In our study,HGIN/GC was present in 2.2%of AG/IM *** AG/IM patients with extensive lesions,a 1–2-year surveillance interval is recommended for early detection of HIGN/GC in AG/IM patients with extensive lesions.

关键词： atrophic gastritis endoscopic monitoring gastric cancer gastric precancerous conditions high-grade intraepithelial neoplasia intestinal metaplasia

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