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Navigating Epstein–Barr virus autoimmunity:role of NK cells and T cells in multiple sclerosis

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Signal Transduction and Targeted Therapy 2024年第3期9卷 833-835页

作者： Chu Xie Cong Sun Mu-Sheng Zeng State Key Laboratory of Oncology in South China Guangdong Provincial Clinical Research Center for CancerGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapySun Yat-sen University Cancer CenterGuangzhouP.R.China

In a recent study published in Cell,Vietzen and colleagues discovered the novel role of natural killer(NK)cells and EBVspecific CD8+T cell response in controlling EBV-inducing autoimmune response and collectively def... 详细信息

关键词： Epstein sclerosis killer

Emerging and multifaceted potential contributions of polyphenols in the management of type 2 diabetes mellitus

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World Journal of Diabetes 2024年第2期15卷 154-169页

作者： Ileana González Cristian Lindner Ivan Schneider Erik Diaz Miguel Angel Morales Armando Rojas Biomedical research Laboratories Faculty of MedicineCatholic University of MauleTalca 34600000Chile Department of Radiology Faculty of MedicineUniversity of ConcepciónConcepción 4030000Chile Centre of Primary Attention South Metropolitan Health ServiceSantiago 3830000Chile Faculty of Medicine Catholic University of MauleTalca 3460000Chile Molecular and clinical Pharmacology program Institute of Biomedical SciencesUniversity of ChileSantiago 8320000Chile

Type 2 diabetes mellitus(T2DM)is recognized as a serious public health concern with a considerable impact on human life,long-term health expenditures,and substantial health *** this context,the use of dietary polyphenols to prevent and manage T2DM is widely *** dietary compounds exert their beneficial effects through several actions,including the protection of pancreatic islet β-cell,the antioxidant capacities of these molecules,their effects on insulin secretion and actions,the regulation of intestinal microbiota,and their contribution to ameliorate diabetic complications,particularly those of vascular *** the present review,we intend to highlight these multifaceted actions and the molecular mechanisms by which these plant-derived secondary metabolites exert their beneficial effects on type 2 diabetes patients.

关键词： Polyphenols Antioxidants Oxidative stress Type 2 diabetes mellitus Health benefits

TCERG1L hypermethylation is a risk factor of diabetic retinopathy in Chinese children with type 1 diabetes

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International Journal of Ophthalmology(English edition) 2024年第3期17卷 537-544页

作者： Yu Qian Ying Xiao Qiu-Rong Lin Zhao-Yu Xiang Li-Pu Cui Jia-Qi Sun Si-Cong Li Xin-Ran Qin Hai-Dong Zou Chen-Hao Yang Pei-Yao Jin Department of Ophthalmology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai First People’s HospitalShanghai 200080China Shanghai Eye Diseases Prevention&Treatment Center Shanghai Eye HospitalShanghai 200040China National clinical research Center for Eye Diseases Shanghai Clinical Research Center for Eye DiseasesShanghai Key Clinical SpecialtyShanghai Key Laboratory of Ocular Fundus DiseasesShanghai Engineering Center for Visual Science and PhotomedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye DiseasesShanghai 200080China Department of Ophthalmology Children’s Hospital of Fudan UniversityShanghai 201102China

●AIM:To identify the differential methylation sites(DMS)and their according genes associated with diabetic retinopathy(DR)development in type 1 diabetes(T1DM)children.●METHODS:This study consists of two surveys.A total of 40 T1DM children was included in the first *** no participant has DR,retina thinning was used as a surrogate indicator for *** lowest 25%participants with the thinnest macular retinal thickness were included into the case group,and the others were *** DNA methylation status was assessed by the Illumina methylation 850K array BeadChip assay,and compared between the case and control *** DMS with a potential role in diabetes were *** second survey included 27 T1DM children,among which four had *** methylation patterns of the four DMS identified by 850K were compared between participants with and without DR by pyrosequencing.●RESULTS:In the first survey,the 850K array revealed 751 sites significantly and differentially methylated in the case group comparing with the controls(|Δβ|>0.1 and Adj.P0.05)between participants with and without DR.●CONCLUSION:The hypermethylation of the TCERG1L gene is a risk factor for DR development in Chinese children with T1DM.

关键词： DNA methylation 850K array pyrosequencing diabetic retinopathy type 1 diabetes children

Structural basis of negative regulation of CRISPR-Cas7-11 by TPR-CHAT

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2716-2725页

作者： Tian Hong Qinghua Luo Haiyun Ma Xin Wang Xinqiong Li Chongrong Shen Jie Pang Yan Wang Yuejia Chen Changbin Zhang Zhaoming Su Haohao Dong Xiaodi Tang Department of Laboratory Medicine State Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityChengduChina Frontiers Medical Center Tianfu Jincheng LaboratoryWest China HospitalSichuan UniversityChengduChina

CRISPR‒Cas7-11 is a Type Ⅲ-E CRISPR-associated nuclease that functions as a potent RNA editing ***-peptide repeat fused with Cas/HEF1-associated signal transducer(TPR-CHAT)acts as a regulatory protein that interacts with CRISPR RNA(crRNA)-bound Cas7-11 to form a CRISPR-guided caspase complex(Craspase).However,the precise modulation of Cas7-11’s nuclease activity by TPR-CHAT to enhance its utility requires further ***,we report cryo-electron microscopy(cryo-EM)structures of Desulfonema ishimotonii(Di)Cas7-11-crRNA,complexed with or without the full length or the N-terminus of *** structures unveil the molecular features of the Craspase *** analysis,combined with in vitro nuclease assay and electrophoretic mobility shift assay,reveals that DiTPR-CHAT negatively regulates the activity of DiCas7-11 by preventing target RNA from binding through the N-terminal 65 amino acids of DiTPR-CHAT(DiTPR-CHAT_(NTD)).Our work demonstrates that DiTPRCHAT_(NTD) can function as a small unit of DiCas7-11 regulator,potentially enabling safe applications to prevent overcutting and offtarget effects of the CRISPR‒Cas7-11 system.

关键词： CRISPR crRNA TPR

Effect of male HBV infection on the outcomes of IVF/ICSI cycles:a retrospective cohort study based on propensity score matching

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Asian Journal of Andrology 2024年第4期26卷 415-420页

作者： Su-Qin Zhu Xiu-Hua Liao Wen-Wen Jiang Yan Sun Hui-Ling Xu Xiao-Jing Chen Bei-Hong Zheng Fujian Provincial Reproductive Medicine Center Fujian Maternity and Child Health HospitalCollege of Clinical Medicine for Obstetrics and Gynecology and PediatricsFujian Medical UniversityFuzhou 350001China Fujian Key Laboratory of Prenatal Diagnosis and Birth Defect Fuzhou 350001China Fujian Maternal-Fetal clinical Medicine research Center Fuzhou 350001China.

This study aimed to investigate the effects of male hepatitis B virus(HBV)infection on male fertility,embryonic development,and in vitro fertilization/intracytoplasmic sperm injection(IVF/ICSI)*** performed a retrospective cohort study that included 3965 infertile couples who received fresh embryo transfer cycles for the first time at the Fujian Maternity and Child Health Hospital(Fuzhou,China)from January 2018 to January *** couples were categorized based on their HBV infection status into the HBV group(HBV-positive men and HBV-negative women)and the control group(HBV-negative couples).A 1:1 propensity score matching was performed with relatively balanced *** characteristics,semen parameters,laboratory outcomes,clinical outcomes,and obstetric and neonatal outcomes were compared between *** propensity score matching,821 couples were included in each *** groups had similar semen parameters and obstetric and neonatal *** HBV group showed a significantly lower live birth rate than the control group(P<0.05).The HBV group had a significantly higher abortion rate than the control group(P<0.05).The rates of high-quality embryos and blastocyst formation were significantly lower in the HBV group than those in the control group(both P<0.05).In conclusion,in couples who undergo IVF/ICSI,male HBV infection reduces the live birth rate and increases the risk of ***,the incidence of low birth weight in women with IVF/ICSI does not increase with male HBV infection.

关键词： hepatitis B virus in vitro fertilization intracytoplasmic sperm injection live birth rate propensity score matching

Patient satisfaction and follow-up adherence to glaucoma case management clinic in China

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International Journal of Ophthalmology(English edition) 2024年第1期17卷 73-81页

作者： Hao Lin Hu-Jie Lu Wen-Zhe Zhou Shu-Shu Zuo Yan-Yan Chen Shao-Dan Zhang National clinical research Center for Ocular Diseases Eye HospitalWenzhou Medical UniversityWenzhou 325027Zhejiang ProvinceChina School of Ophthalmology and Optometry Biomedical EngineeringWenzhou Medical UniversityWenzhou 325027Zhejiang ProvinceChina

AIM:To assess glaucoma patient satisfaction and follow-up adherence in case management and identify associated predictors to improve healthcare quality and patient ***:In this cross-sectional study,a total of 119 patients completed a Patient Satisfaction Questionnaire-18 and a sociodemographic *** data was obtained from the case management ***-up adherence was defined as completing each follow-up within±30d of the scheduled time set by ophthalmologists during the study ***:Average satisfaction scored 78.65±7,with an average of 4.39±0.58 across the seven *** negatively correlated with satisfaction(P=0.008),whilst patients with follow-up duration of 2 or more years reported higher satisfaction(P=0.045).Multivariate logistics regression analysis revealed that longer follow-up durations were associated with lower follow-up adherence(OR=0.97,95%CI,0.95-1.00,P=0.044).Additionally,patients with suspected glaucoma(OR=2.72,95%CI,1.03-7.20,P=0.044)and those with an annual income over 100000 Chinese yuan demonstrated higher adherence(OR=5.57,95%CI,1.00-30.89,P=0.049).CONCLUSION:The case management model proves effective for glaucoma patients,with positive adherence *** implementation of this model can be optimized in the future based on the identified factors and extended to glaucoma patients in more hospitals.

关键词： glaucoma patient satisfaction follow-up adherence case management

Elevated peripheral levels of receptor-interacting protein kinase 1(RIPK1)and IL-8 as biomarkers of human amyotrophic lateral sclerosis

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Signal Transduction and Targeted Therapy 2024年第1期9卷 271-278页

作者： Jun Wei Min Li Zhi Ye Xinqian Hu Xiaoyan He Jia Wang Gaofeng Chen Chengyu Zou Daichao Xu Hongbing Zhang Junying Yuan Yunhong Zha Institute of Neural Regeneration and Repair and Department of Neurology The First College of Clinical Medical ScienceYichang Central HospitalCollege of Basic Medical ScienceChina Three Gorges UniversityHubei Province Clinical Medical Research Center for Rare Diseases of Nervous SystemYichang 443000China Interdisciplinary research Center on Biology and Chemistry Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai Key Laboratory of Aging StudiesShanghai 201210China State Key Laboratory of Common Mechanism research for Major Diseases Haihe Laboratory of Cell EcosystemDepartment of PhysiologyInstitute of Basic Medical Sciences and School of Basic MedicineChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

Amyotrophic lateral sclerosis(ALS)is a devastating fatal neurodegenerative disease with no ***-interacting protein kinase 1(RIPK1)has been proposed to mediate pathogenesis of *** has been identified as an old drug that can also inhibit RIPK1 *** conducted a drug-repurposing biomarker study of primidone as a RIPK1 inhibitor using SOD1G93A mice and ALS ***1G93A mice treated with primidone showed significant delay of symptomatic onset and improved motor ***-hundred-sixty-two ALS participants dosed daily with primidone(62.5 mg)completed 24-week follow-up.A significant reduction was showed in serum levels of RIPK1 and IL-8,which were significantly higher in ALS patients than that of healthy controls(Pclinical biomarkers for the activation of RIPK1 in central nervous system in human ALS *** primidone may provide a promising therapeutic strategy for *** effect of primidone for the treatment of other inflammatory diseases may also be considered,since the activation of RIPK1 has been implicated in mediating a variety of inflammatory diseases including COVID-19-associated cytokine release syndrome(CRS).(ChiCTR2200060149).

关键词： RIPK1 diseases Serum

Cell softness reveals tumorigenic potential via ITGB8/AKT/glycolysis signaling in a mice model of orthotopic bladder cancer

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Chinese Medical Journal 2024年第2期137卷 209-221页

作者： Shi Qiu Yaqi Qiu Linghui Deng Ling Nie Liming Ge Xiaonan Zheng Di Jin Kun Jin Xianghong Zhou Xingyang Su Boyu Cai Jiakun Li Xiang Tu Lina Gong Liangren Liu Zhenhua Liu Yige Bao Jianzhong Ai Tianhai Lin Lu Yang Qiang Wei Department of Urology Institute of UrologyNational Clinical Research Center for Geriatrics and Center of Biomedical Big DataWest China Hospital of Sichuan UniversityChengduSichuan 610041China Department of Molecular Oncology Institute of Oncology Research(IOR)Oncology Institute of Southern Switzerland(IOSI)Bellinzona 6500Switzerland Department of Science and Drug Technology University of TurinTurinItaly National clinical research Center of Geriatrics The Center of Gerontology and GeriatricsWest China HospitalSichuan UniversityChengduSichuan 610000China Department of Pathology West China HospitalSichuan UniversityChengduSichuan 610041China Department of Pharmaceutics and Bioengineering School of Chemical EngineeringSichuan UniversityChengduSichuan 610000China

Background:Bladder cancer,characterized by a high potential of tumor recurrence,has high lifelong monitoring and treatment *** date,tumor cells with intrinsic softness have been identified to function as cancer stem cells in several cancer ***,the existence of soft tumor cells in bladder tumors remains ***,our study aimed to develop a microbarrier microfluidic chip to efficiently isolate deformable tumor cells from distinct types of bladder cancer ***:The stiffness of bladder cancer cells was determined by atomic force microscopy(AFM).The modified microfluidic chip was utilized to separate soft cells,and the 3D Matrigel culture system was to maintain the softness of tumor *** patterns of integrinβ8(ITGB8),protein kinase B(AKT),and mammalian target of rapamycin(mTOR)were determined by Western *** immunostaining was conducted to examine the interaction between F-actin and tripartite motif containing 59(TRIM59).The stem-cell-like characteristics of soft cells were explored by colony formation assay and in vivo studies upon xenografted tumor ***:Using our newly designed microfluidic approach,we identified a small fraction of soft tumor cells in bladder cancer *** importantly,the existence of soft tumor cells was confirmed in clinical human bladder cancer specimens,in which the number of soft tumor cells was associated with tumor ***,we demonstrated that the biomechanical stimuli arising from 3D Matrigel activated the F-actin/ITGB8/TRIM59/AKT/mTOR/glycolysis pathways to enhance the softness and tumorigenic capacity of tumor ***,we detected a remarkable up-regulation in ITGB8,TRIM59,and phospho-AKT in clinical bladder recurrent tumors compared with their non-recurrent ***:The ITGB8/TRIM59/AKT/mTOR/glycolysis axis plays a crucial role in modulating tumor softness and ***,the soft tumor cells become more sensitive to chemother

关键词： Soft tumor cells 3D Matrigel Stemness Non-muscle invasive bladder neoplasms Microfluidic analytical techniques

Advances in single-cell sequencing technology in microbiome research

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Genes & Diseases 2024年第4期11卷 201-219页

作者： Yinhang Wu Jing Zhuang Yifei Song Xinyi Gao Jian Chu Shuwen Han Huzhou Central Hospital Affiliated Central Hospital Huzhou UniversityHuzhouZhejiang 313000China Key Laboratory of Multiomics research and clinical Transformation of Digestive Cancer of Huzhou HuzhouZhejiang 313000China The Fifth Affiliated clinical Medical College of Zhejiang Chinese Medical University HangzhouZhejiang 313000China Zhejiang Provincial People's Hospital and Affiliated People's Hospital Hangzhou Medical CollegeHangzhouZhejiang 310000China

With the rapid development of histological techniques and the widespread applica-tion of single-cell sequencing in eukaryotes,researchers desire to explore individual *** and functional expression,which deepens our understanding of *** this review,the history of the development of microbial detection technologies was revealed and the difficulties in the application of single-cell sequencing in microorganisms were dissected as ***,the characteristics of the currently emerging microbial single-cell sequencing(Microbe-seq)technology were summarized,and the prospects of the application of Microbe-seq in microorganisms were distilled based on the current development *** its mature development,the Microbe-seq technology was still in the optimization stage.A retrospective study was conducted,aiming to promote the widespread application of single-cell sequencing in microorganisms and facilitate further improvement in the technol-ogy.

关键词： Bacterialantibiotic resistance Host immunity Host-phage interaction Microbial single-cell sequencing Microorganisms Single cell Single-cell sequencing technology