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Influence of ear tags on the results of body composition analysis in mice

Animal Models and Experimental Medicine 2024年第4期7卷 578-583页

作者： He Liu Yinghua Zhang Peng Zhang Weiping Teng Zhongyan Shan Yushu Li Dan Wang department of Endocrinology and Metabolism and the Institute of Endocrinology NHC Key Laboratory of Diagnosis and Treatment of Thyroid DiseasesThe First Hospital of China Medical UniversityShenyangChina School of Public Health China Medical University China Medical UniversityShenyangChina Shenyang Food and Drug Inspection Institute ShenyangChina

Background:The aim of this study was to investigate the influence of marking meth-ods on the outcomes of body composition analysis and provide guidance for the se-lection of marking methods in mouse body composition ***:Male C57BL/6J mice aged 6 weeks were randomly assigned for pre-and post-ear tagging *** body composition of the mice was measured using a small animal body composition analyzer,which provided measurements of the mass of fat,lean,and free ***,the mass of fat,lean and free fluid to body weight ratio was *** data analysis was conducted to obtain the range and coeffi-cient of variation in body composition measurements for each *** distribution of fat and lean tissue in the mice was also analyzed by comparing the fat-to-lean ***:(1)The mass of all body composition components in the ear tagging group was significantly lower than that in the control group.(2)There was a significant in-crease in the range and coefficient of variation of body composition measurements between the ear tagging group and the control group.(3)The fat-to-lean ratio in the ear tagging group was significantly lower than that in the control ***:Ear tagging significantly lowered the results of body composition analy-sis in mice and higher the results of measurement ***,ear tagging should be avoided as much as possible when conducting body composition analysis experi-ments in mice.

关键词： body composition analysis ear tagging labeling method stainless steel toe clipping

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Artemisia vulgaris Induces Tumor-Selective Ferroptosis and Necroptosis via Lysosomal Ca^(2+) Signaling

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Chinese Journal of Integrative Medicine 2024年第6期30卷 525-533页

作者： Lucas dos Santos Zamarioli Michele Rosana Maia Santos Adolfo Garcia Erustes Vanessa Marques Meccatti Thais Cristine Pereira Soraya S Smaili Maria Cristina Marcucci Carlos Rocha Oliveira Gustavo JS Pereira Claudia Bincoletto department of Pharmacology Paulista School of MedicineFederal University of São PauloSão PauloSP04044-020Brazil Research Group on Phytocomplexes and Cell Signaling School of Health SciencesAnhembi Morumbi UniversitySão PauloSP03164-000Brazil department of Biosciences and Oral diagnosis Institute of Science and TechnologySão Paulo State University(ICT-UNESP)São PauloSP12231-280Brazil

Objective To evaluate the chemical composition and effects of Artemisia vulgaris(AV)hydroalcoholic extract(HEAV)on breast cancer cells(MCF-7 and SKBR-3),chronic myeloid leukemia(K562)and NIH/3T3 *** Phytochemical analysis of HEAV was done by high-performance liquid chromatography-mass(HPLC)*** and cell death studies were performed using trypan blue and Annexin/FITC-7AAD,***-1(Fer-1)and necrostatin-1(Nec-1)were used to assess the mode of HEAV-induced cell death and acetoxymethylester(BAPTA-AM)was used to verify the involvement of cytosolic calcium in this *** calcium measurements were made using *** HEAV decreased the viability of MCF-7,SKBR-3 and K562 cells(P<0.05).The viability of HEAV-treated K562 cells was reduced compared to HEAV-exposed fibroblasts(P<0.05).Treatment of K562 cells with HEAV induced cell death primarily by late apoptosis and necrosis in assays using annexin V-FITC/7-AAD(P<0.05).The use of Nec-1 and Fer-1 increased the viability of K562 cells treated with HEAV relative to cells exposed to HEAV alone(P<0.01).HEAV-induced Ca^(2+)release mainly from lysosomes in K562 cells(P<0.01).Furthermore,BAPTA-AM,an intracellular Ca^(2+)chelator,decreased the number of non-viable cells treated with HEAV(P<0.05).Conclusions HEAV is cytotoxic and activates several modalities of cell death,which are partially dependent on lysosomal release of Ca^(2+).These effects may be related to artemisinin and caffeoylquinic acids,the main compounds identified in HEAV.

关键词： Artemisia vulgaris necroptosis ferroptosis late apoptosis Ca^(2+)signaling

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Current status of early gastric cancer screening research

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Cancer Biology & Medicine 2024年第3期21卷 218-222页

作者： Can Hu Li Yuan Xiangdong Cheng department of Gastric surgery Zhejiang Cancer HospitalHangzhou Institute of Medicine(HIM)Chinese Academy of SciencesHangzhouZhejiang 310022China Key Laboratory of Prevention Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang ProvinceHangzhou 310022China Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer Zhejiang Cancer HospitalHangzhou 310022China

Gastric cancer is a predominant threat to the health and well-being of China's residents. Data from the World Health Organization(WHO) in 2020 revealed that gastric cancer in China notably accounted for 44.0% of new c... 详细信息

关键词： cancer Gastric gastric

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Detection of Klebsiella pneumoniae Co-Producing KPC-2 and MCR-8 in the Feces of an ICU Patient From China

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Infectious Microbes & Diseases 2024年第3期6卷 152-157页

作者： Hongxin Fu Hao Xu Ruishan Liu Yi Liu Xiaojing Liu Xiaohan Ma Yu Yang Kexin Guo Chiqing Ying Danfeng Fang Sijie Qian Beiwen Zheng Weibo Du State Key Laboratory for diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesNational Medical Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious Diseasesthe First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhouChina School of Basic Medical Sciences Beihua UniversityJilinChina School of Basic Medical Sciences Zhejiang Chinese Medical UniversityHangzhouChina department of Structure and Morphology Jinan Microecological Biomedicine Shandong LaboratoryJinanChina Research Units of Infectious Diseases and Microecology Chinese Academy of Medical SciencesBeijingChina

It is critical to acknowledge that the coexistence of genes related to carbapenem and polymyxin resistance can exacerbate challenges in antimicrobial *** this study,we identified Klebsiella pneumoniae isolate L2425 fromthe feces of an ICU patient in *** isolate belongs to sequence type 11 and carries the antimicrobial resistance genes blaKPC-2,bla_(CTX-M-65) and *** S1-nuclease pulsed-field gel electrophoresis and Southern blotting analysis,we confirmed the presence of a~110 kb plasmid harboring the mcr-8 gene with a conserved structure(inhA-mcr-8-ompR-dgkA-IS903B).Furthermore,another~130 kb plasmid carrying bla_(KPC-2) was detected along with a composite transposon flanked by insertion sequence *** experiments demonstrated that both pL2425-KPC-2 and pL2425-MCR-8 plasmids were ***,this is the first instance of clinical fecal samples from China containing a *** strain carrying both blaKPC-2 and mcr-8 *** findings underscore the significance of surveillance for carbapenemases and mobile colistin–resistance variants.

关键词： Klebsiella pneumoniae sequence type 11 KPC-2 MCR-8

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Stroke depression:a concept with clinical applicability

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Stroke & Vascular Neurology 2024年第3期9卷 189-193页

作者： Jun Mu Arun V Ravindran Pim Cuijpers Yiqing Shen Wensong Yang Qi Li Xinyu Zhou Peng Xie department of Neurology The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina Campbell Family Mental Health Research Centre Centre for Addiction and Mental HealthDepartment of PsychiatryUniversity of TorontoTorontoOntarioCanada department of Clinical Neuro and Developmental PsychologyAmsterdam Public Health research instituteVrije Universiteit AmsterdamAmsterdamThe Netherlands NHC Key Laboratory of diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina department of Psychiatry The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina

Stroke is a common neurological condition and among the leading causes of death and disability *** is both a risk factor for and complication of stroke,and the two conditions may have a complex reciprocal relationship over ***,the secondary effects of depression on stroke are often overlooked,resulting in increased morbidity and *** the previous concept of‘poststroke depression’,stroke and depression were considered as two independent *** often delays the diagnosis and treatment of *** concept‘stroke depression’proposed in this article will emphasise more the necessity of aggressive treatment of depression in the overall management of stroke,thus to reduce the incidence of stroke and in the meantime,improve the prognosis of ***,it will lead us into a new era of acute stroke intervention.

关键词： diagnosis mortality acute

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Resolving the developmental mechanisms of cardiac microthrombosis of SARS-CoV-2 based on single-cell transcriptome analysis

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Science China Life Sciences 2024年

作者： Xizi Luo Nan Zhang Yuntao Liu Beibei Du Xuan Wang Tianxu Zhao Bingqiang Liu Shishun Zhao Jiazhang Qiu Guoqing Wang State Key Laboratory for diagnosis and Treatment of Severe Zoonotic Infectious Diseases Key Laboratory for Zoonosis Research of the Ministry of Education College of Basic Medicine Jilin University State Key Laboratory for diagnosis and Treatment of Severe Zoonotic Infectious Diseases Key Laboratory for Zoonosis Research of the Ministry of Education College of Veterinary Medicine Jilin University College of Mathematics Jilin University Bioinformatic Lab School of Mathematics Shandong University department of Cardiology China-Japan Union Hospital Jilin University

The coronavirus disease 2019(COVID-19) outbreak caused by the severe acute respiratory syndrome coronavirus-2(SARS-CoV-2) developed into a global health emergency. Systemic microthrombus caused by SARS-CoV-2 infection is a common complication in patients with COVID-19. Cardiac microthrombosis as a complication of SARS-CoV-2 infection is the primary cause of cardiac injury and death in patietns with severe COVID-19. In this study, we performed single-cell sequencing analysis of the right ventricular free wall tissue from healthy donors,patients who died during the hypercoagulable period of characteristic coagulation abnormality(CAC), and patients who died during the fibrinolytic period of CAC. We collected 61,187 cells enriched in 24 immune cell subsets and 13 cardiac-resident cell subsets. We found that in the course of SARS-CoV-2 infected heart microthrombus, MYO1EhighRASGEF1Bhighmonocyte-derived macrophages promoted hyperactivation of the immune system and initiated the extrinsic coagulation pathway by activating chemokines CCL3, CCL5. This series of events is the main cause of cardiac microthrombi following SARS-CoV-2 infection. In a SARS-CoV-2 infected heart microthrombus, excessive immune activation is accompanied by an increase in cellular iron content, which in turn promotes oxidative stress and intensifies intercellular competition. This induces cells to alter their metabolic environment, resulting in increased sugar uptake via the glycosaminoglycan synthesis pathway. In addition, high levels of reactive oxygen species generated by elevated iron levels promote increased endogenous malondialdehyde synthesis in a subpopulation of cardiac endothelial cells. This exacerbates endothelial cell dysfunction and exacerbates the coagulopathy process.

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Enhanced homing of mesenchymal stem cells for in situ niche remodeling and bone regeneration

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Nano Research 2024年第8期17卷 7449-7460页

作者： Yin Yuan Lijun Chen Jing Yang Sining Zhou Yangxin Fang Qi Zhang Ning Zhang Yifei Li Li Yuan Fan Jia Shuo Ni Charlie Xiang State Key Laboratory for diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesNational Medical Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China department of Biology The David H.Koch Institute for Integrative Cancer Research at MITMassachusetts Institute of TechnologyCambridgeMA 02139USA Research Units of Infectious disease and Microecology Chinese Academy of Medical SciencesHangzhou 310003China Innovative Precision Medicine(IPM)Group Hangzhou 311215China MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and EngineeringZhejiang UniversityHangzhou 310027China Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province Department of CardiologySir Run Run Shaw HospitalZhejiang University School of MedicineHangzhou 310016China department of Cancer Immunology and Virology Dana-Farber Cancer InstituteBostonMA 02215USADepartment of ImmunologyHarvard Medical SchoolBoston MA 02115USA department of Orthopedic Surgery and Shanghai Institute of Microsurgery on Extremities Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiaotong University School of MedicineShanghai 200233China

Mesenchymal stem cells(MSCs)transplantation is a promising strategy for osteoporosis ***,limited sources and poor tissue-homing efficiency limit their clinical *** this study,we isolated a kind of MSCs from women’s menstrual blood(MenSCs)noninvasively and established a novel MSCs bone marrow-targeted delivery system by utilizing waterin-oil-in-water droplet *** were encapsulated withinβ-cyclodextrin-functionalized alginate microcapsules loaded with zoledronates,which has a high affinity for *** this delivery system,MenSCs could be preferentially delivered to the bone marrow tissues via intravenous infusion,and restored bone mass by remodeling the bone marrow niche in situ in ovariectomized mouse ***,scRNA-seq analysis demonstrated that those MenSCs homed to the bone marrow recruited CD4^(+)FOXP3^(+)natural regulatory T(nT_(reg))cells by secreting *** recruited nTreg promoted CD8^(+)T cells to secret Wnt family member 10B(WNT10B),activating the Wnt signaling in osteoblasts and thus promoting bone formation in situ in the bone *** study reveals a promising application of MenSCs in postmenopausal osteoporosis treatment and highlights the clinical value of MenSCs by encouraging women to reserve autologous MenSCs before menopause to prevent and alleviate postmenopausal osteoporosis.

关键词： mesenchymal stem cells microfluidics bone marrow homing stem cell niche postmenopausal osteoporosis

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Risk Factors of Enternal Nutrition Intolerance in Septic Patients:A Case-control Study

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Current Medical Science 2024年第2期44卷 328-332页

作者： Li-zhu WANG Yan XIANG Qian LI Yi-rong ZHU Jue FANG Xiao-dan LU Zhao-cai ZHANG department of Nursing The Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009China department of Critical Care Medicine The Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009China Key Laboratory of the diagnosis and Treatment for Severe Trauma and Burn of Zhejiang Province Hangzhou 310009China Zhejiang Province Clinical Research Center for Emergency and Critical Care Medicine Hangzhou 310009China

Objective:This study aimed to investigate the incidence of enteral nutrition intolerance(ENI)in patients with sepsis and explore potential risk ***:A case-control study was conducted in patients with sepsis who were receiving enteral nutrition(EN)at a tertiary hospital in *** included patients were divided into the ENI group and the non-ENI *** and multivariate analyses were performed to identify the risk factors for ***:A total of 859 patients were included in the *** them,288(33.53%)patients experienced symptoms of ENI,including diarrhea,vomiting,bloating,and gastric *** regression analysis revealed that the Acute Physiology and Chronic Health Evaluation H(APACHE H)score,thoracocentesis,and usage of cardiotonic drugs(namely,inotropes)were independent predictors of the ***:The incidence of ENI is relatively high in patients with sepsis,especially in those who have higher APACHE H scores,have undergone thoracocentesis,and have received inotropes.

关键词： sepsis enteral nutrition intolerance influencing factor

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Bacterial Infections in Acute-on-chronic Liver Failure:Epidemiology,diagnosis,Pathogenesis,and Management

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Journal of Clinical and Translational Hepatology 2024年第7期12卷 667-676页

作者： Zhaoyu Xu Xiuding Zhang Jiyang Chen Yu Shi Shangwei Ji China-Japan Union Hospital of Jilin University ChangchunJilinChina State Key Laboratory for diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesThe First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhouZhejiangChina department of Infectious Diseases China-Japan Union Hospital of Jilin UniversityChangchunJilinChina

Acute-on-chronic liver failure(ACLF)is a distinct condition characterized by the abrupt exacerbation of pre-existing chronic liver disease,often leading to multi-organ failures and significant short-term *** infection is one of the most frequent triggers for ACLF and a common complication following its *** impact of bacterial infections on the clinical course and outcome of ACLF underscores their critical role in the pathogenesis of systemic inflammation and organ *** addition,the evolving epidemiology and increasing prevalence of multidrug-resistant bacteria in cirrhosis and ACLF highlight the importance of appropriate empirical antibiotic use,as well as accurate and prompt microbiological *** review provided an update on recent advances in the epidemiology,diagnosis,pathogenesis,and management of bacterial infections in ACLF.

关键词： Acute-on-chronic liver failure Bacterial infection Multidrug-resistant bacteria Spontaneoous bacterial peritonitis systemic inflammation Antibiotic Albumin

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Gene expression profiles contribute to robustly predicting prognosis in hepatocellular carcinoma

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Genes & Diseases 2024年第2期11卷 593-596页

作者： Long Liu Yuhui Wang Yuyuan Zhang Siyuan Weng Hui Xu Zaoqu Liu Xinwei Han department of Hepatobiliary and Pancreatic Surgery The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China Prenatal diagnosis Center The Third Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China department of Interventional radiology The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China Interventional Institute of Zhengzhou University ZhengzhouHenan 450052China Interventional Treatment and Clinical Research Center of Henan Province ZhengzhouHenan 450052China

Hepatocellular carcinoma(HCC)is characterized by both inter-and intra-tumor heterogeneity and has distinct clinical outcomes.1 A promising clinical tool to perform patient stratification,prognosis evaluation,and treatment recommendations is ***,we enrolled a total of 1595 tumor patients from 13 independent cohorts,including seven cohorts with survival data,four cohorts with immunotherapy information,and two cohorts with transcatheter arterial chemoembolization(TACE)and Sorafenib information,respectively(Table S1).Using 96 algorithms combinations derived from 10 popular machinelearning approaches,a novel framework was constructed and described in Figure ***,a total of 26 stable consensus prognostic genes were screened in seven cohorts harboring complete survival information via univariate Cox regression analysis(Fig.S2A).

关键词： prognosis clinical arterial

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