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Association between baseline levels of muscular strength and risk of stroke in later life:The Cooper Center Longitudinal Study

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Journal of Sport and Health Science 2024年第5期13卷 642-649页

作者： Stephen W.Farrell David Leonard Qing Li Carolyn E.Barlow Kerem Shuval Jarett D.Berry Andjelka Pavlovic Laura F.DeFina Research Division The Cooper InstituteDallasTX 75230USA Department of Internal medicine University of Texas at Tyler School of MedicineTylerTX 75799USA

Background:Muscular strength is an important component of physical fitness.We evaluated the relationship between baseline muscular strength and risk of stroke among adults who were aged≥65 years during follow-up.Methods:We included 7627 healthy adults(mean age=43.9 years,86.0%male)underwent a baseline physical examination between 1980 and 1989.Muscular strength was determined by 1-repetition maximum measures for bench press and leg press and categorized into age-and sex-specific tertiles for each measure.Cardiorespiratory fitness(CRF)was assessed via a maximal treadmill exercise test.Those enrolled in fee-for-service Medicare from 1999 to 2019 were included in the analyses.Associations between baseline strength and stroke outcomes were estimated using a modified Cox proportional hazards model.In a secondary analysis,we examined stroke risk by categories of CRF where Quintile 1=low,Quintiles 2-3=moderate,and Quintiles 4-5=high CRF based on age and sex.Results:After 70,072 person-years of Medicare follow-up,there were 1211 earliest indications of incident stroke.In multivariable analyses,the hazard ratio(95%confidence interval(95%CI))for stroke across bench press categories were 1.0(referent),0.96(0.83-1.11),and 0.89(0.77-1.04),respectively(p trend=0.14).The trend across categories of leg press was also non-significant(p trend=0.79).Adjusted hazard ratio(95%CI)for stroke across ordered CRF categories were 1.0(referent),0.90(0.71-1.13),and 0.72(0.57-0.92)(p trend<0.01).Conclusion:While meeting public health guidelines for muscular strengthening activities is likely to improve muscular strength as well as many health outcomes in older adults,performing such activities may not be helpful in preventing stroke.Conversely,meeting guidelines for aerobic activity is likely to improve CRF and lower stroke risk.

关键词： Cardiorespiratory fitness Medicare Muscular strength Stroke

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Formulation of international standards of Chinese medicine technology:clinical practice guide of Chinese medicine for cough

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Journal of Traditional Chinese medicine 2024年第2期44卷 396-402页

作者： FANG Hanyu HONG Zheng LI Deming ZHANG Hongchun SHI Yihang LI Xiaojuan SUN Zengtao CHEN Wei ZHANG Chuchu ZU Yaqi Beijing University of Chinese medicine Beijing 100029China Department of Traditional Chinese medicine for Pulmonary Diseases Center of Respiratory MedicineChina-Japan Friendship HospitalBeijing 100029 National Center for Respiratory medicine Beijing 100029China Department of Traditional Chinese medicine for Pulmonary Diseases Center of Respiratory MedicineChina-Japan Friendship HospitalBeijing 100029China Tianjin University of Traditional Chinese medicine Tianjin 301617China Second Teaching Hospital of Tianjin University of Traditional Chinese medicine Tianjin 300250China Center for Evidence-based medicine Beijing University of Chinese MedicineBeijing 100029China institute of Information on Traditional Chinese medicine China Academy of Chinese Medical SciencesBeijing 100700China

OBJECTIVE:To formulate the first clinical practice guideline for the treatment of cough using Chinese medicine based on the grading of recommendations assessment,development,and evaluation(GRADE)systematic approach,including clinical evidence,evaluation of ancient literature,and expert consensus.METHODS:In the process of development,the regulation of"evidence-based,consensus-assisted,and empirical"was followed,and a comprehensive systematic approach of recommendation assessment,GRADE,evidence-based evaluation,expert consensus,and the Delphi method was used.In the process of guideline development,evidence-based evaluation of ancient literature was included for the first time,and clinical evidence was fully integrated with clinical expert consensus.RESULTS:The clinical practice guidelines for the treatment of cough with Chinese herbal medicine were developed after a comprehensive consideration of evidence-based evaluation and expert opinions.The guideline recommendations focused on recommending herbal compound decoctions and Chinese patent medicines for cough in different conditions.Based on the GRADE systematic approach,we conducted an evidence-based evaluation of the recommended Chinese patent medicines one by one;meanwhile,the expert consensus method was used to unify the recommendations of both.CONCLUSION:Based on clinical evidence,ancient literature evaluation,and expert consensus,a clinical practice guideline for Traditional Chinese medicine(TCM)in the treatment of cough was developed,providing the first current clinical practice guideline for domestic and foreign TCM and Western medicine practitioners,especially respiratory professionals at home and abroad.

关键词： medicine Chinese Traditional clinical practice cough practice guide international standard

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Genomics,transcriptomics,and peptidomics of the greater wax moth Galleria mellonella neuropeptides and their expression in response to lead stress

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Insect Science 2024年第3期31卷 773-791页

作者： Li-Lin Luo Yang Lin Jun-Hong Linghu Wei Gong Yuan-Hong Luo Man Liu Dao-Chao Jin Guy Smagghe Tong-Xian Liu Shun-Hua Gui Tian-Ci Yi Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region Institute of EntomologyGuizhou UniversityGuiyangGuizhouChina Guizhou institute of Biology Guizhou Academy of SciencesGuiyangChina institute of Plant Health and medicine Guizhou UniversityGuiyangChina

Neuropeptides are crucial in regulation of a rich variety of developmental,physiological,and behavioral functions throughout the life cycle of insects.Using an integrated approach of multiomics,we identified neuropeptide precursors in the greater wax moth Galleria mellonella,which is a harmful pest of honeybee hives with a worldwide distribution.Here,a total of 63 and 67 neuropeptide precursors were predicted and annotated in the G.mellonella genome and transcriptome,in which 40 neuropeptide precursors were confirmed in the G.mellonella peptidome.Interestingly,we identified 12 neuropeptide precursor genes present in G.mellonella but absent in honeybees,which may be potential novel pesticide target sites.Honeybee hives were contaminated with heavy metals such as lead,enabling its bioaccumulation in G.mellonella bodies through the food chain,we performed transcriptome sequencing to analyze the effects of Pb stress on the mRNA expression level of G.mellonella neuropeptide precursors.After treatment by Pb,the expression of neuropeptide F1 was found to be significantly downregulated,implying that this neuropeptide might be associated with responding to the heavy metal stress in G.mellonella.This study comprehensively identified neuropeptide precursors in G.mellonella,and discussed the effects of heavy metals on insect neuropeptides,with the example of G.mellonella.The results are valuable for future elucidation of how neuropeptides regulate physiological functions in G.mellonella and contribute to our understanding of the insect's environmental plasticity and identify potential new biomarkers to assess heavy metal toxicity in insects.

关键词： Galleria mellonella genomics heavy metal stress neuropeptide peptidomics transcriptomics

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Does topical vancomycin prevent fracture-related infections in closed fractures undergoing open reduction and internal fixation?A randomised controlled trial

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Chinese Journal of Traumatology 2024年第2期27卷 71-76页

作者： Mohit Gandhi Gopisankar Balaji Jagdish Menon Ruben Raj Thomas Department of Orthopaedics Jawaharlal Institute of Postgraduate Medical Education and ResearchPondicherryIndia Department of Preventive and Social medicine Jawaharlal Institute of Postgraduate Medical Education and ResearchPondicherryIndia

Purpose:The role of topical vancomycin in fracture-related infection(FRI)is debatable.Very few studies have reported their efficacy in open and high-risk extremity fractures.This study aimed to assess topical vancomycin's role in reducing FRI in closed fractures undergoing open surgical intervention with an implant.Methods:This prospective randomized cohort study was carried out between February 2021 to January 2022.Patients with isolated closed fractures,who were planned for open reduction and internal fixation within 2 weeks from the time of injury were included for this study.The data collected included age,gender,socioeconomic status,mechanism of injury,diagnosis,Tscherne classification,and time interval to take up for surgery.Patients were randomized into the intervention and control groups using the block randomization technique.The control group received only systemic antibiotic prophylaxis,whereas the intervention group received topical application of vancomycin powder in the surgical wound alongside systemic antibiotic prophylaxis.The primary outcome measure was the incidence of FRI among these individuals.Clinical and radiological findings and culture reports(in cases with infection)were recorded during the post-operative period and at 6 weeks of follow-up.All relevant statistical calculations were done using STATA statistical/data analysis-parallel edition version 16.0(StataCorp LLC).The quantitative variables like age and duration of the surgery were assessed for normalcy by Shapiro-Wilk W test.An independent samples t-test with equal variances was applied to the age data.Fisher's exact test was used for the analysis of the primary outcome measure(presence of FRI following surgery),and"Risk of FRI"and"Risk difference"between the 2 groups was calculated.The strength of the association between qualitative variables was assessed using the Fisher's exact and Chi-square tests,respectively.Results:There were 88 patients included in this study.No statistical significance was found about FRI between both grou

关键词： Infections Antibiotics Vancomycin Fractures

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Prediction of cell-cell communication patierns of dorsal root ganglion cells: single-cell RNA sequencing data analysis

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Neural Regeneration Research 2024年第6期19卷 1367-1374页

作者： Yanna Lian Cheng Wu Li Liu Xiangyao Li National Health Commission and Chinese Academy of Medical Sciences Key Laboratory of Medical Neurobiology Ministry of Education Frontier Science Center for Brain Research and Brain-Machine Integration School of Brain Science and Brain Medicine Zhejiang University International institutes of medicine the Fourth Affiliated Hospital of Zhejiang University School of Medicine Zhejiang University-University of Edinburgh institute Zhejiang University School of Medicine Zhejiang University 4. Biomedical Sciences College of Medicine and Veterinary Medicine The University of Edinburgh Core Facilities of the School of medicine Zhejiang University

Dorsal root ganglion neurons transmit peripheral somatic information to the central nervous system, and dorsal root ganglion neuron excitability affects pain perception. Dorsal root ganglion stimulation is a new approach for managing pain sensation. Knowledge of the cell-cell communication among dorsal root ganglion cells may help in the development of new pain and itch management strategies. Here, we used the single-cell RNA-sequencing(scRNA-seq) database to investigate intercellular communication networks among dorsal root ganglion cells. We collected scRNA-seq data from six samples from three studies, yielding data on a total of 17,766 cells. Based on genetic profiles, we identified satellite glial cells, Schwann cells, neurons, vascular endothelial cells, immune cells, fibroblasts, and vascular smooth muscle cells. Further analysis revealed that eight types of dorsal root ganglion neurons mediated proprioceptive, itch, touch, mechanical, heat, and cold sensations. Moreover, we predicted several distinct forms of intercellular communication among dorsal root ganglion cells, including cell-cell contact, secreted signals, extracellular matrix, and neurotransmitter-mediated signals. The data mining predicted that Mrgpra3-positive neurons robustly express the genes encoding the adenosine Adora2b(A2B) receptor and glial cell line-derived neurotrophic factor family receptor alpha 1(GFRα-1). Our immunohistochemistry results confirmed the coexpression of the A2B receptor and GFRα-1. Intrathecal injection of the A2B receptor antagonist PSB-603 effectively prevented histamine-induced scratching behaviour in a dose-dependent manner. Our results demonstrate the involvement of the A2B receptor in the modulation of itch sensation. Furthermore, our findings provide insight into dorsal root ganglion cell-cell communication patterns and mechanisms. Our results should contribute to the development of new strategies for the regulation of dorsal root ganglion excitability.

关键词： cell-cell communications CellChat dorsal root ganglion scRNA-Seq database

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Huoxue Jiedu Huayu recipe(活血解毒化瘀方) inhibits macrophage-secreted vascular endothelial growth factor-a on angiogenesis and alleviates renal fibrosis in the contralateral kidneys of unilateral ureteral obstruction rats

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Journal of Traditional Chinese medicine 2024年第3期44卷 458-467页

作者： GAO Xiaomeng QIANG Panpan CHANG Jingyue FAN Lili YANG Fan XU Qingyou Graduate School Hebei University of Chinese Medicine Hebei Key Laboratory of Integrative medicine on Liver-Kidney Patterns Hebei University of Chinese Medicine institute of Integrative medicine Hebei University of Chinese Medicine

OBJECTIVE: To elucidate the mechanism by which Huoxue Jiedu Huayu recipe( 活血解毒化瘀方, HJHR) regulates angiogenesis in the contralateral kidney of unilateral ureteral obstruction(UUO) rats and the mechanism by which it reduces of renal fibrosis. METHODS: Male Wistar rats were randomly divided into 4 groups: the sham group, UUO group(180 d of left ureter ligation), UUO plus eplerenone(EPL) group, and UUO plus HJHR group. After 180 d of oral drug administration, blood and contralateral kidneys were collected for analysis. Angiogenesis-and fibrosis-related indexes were detected. RESULTS: HJHR and EPL improved structural damage and renal interstitial fibrosis in the contralateral kidney and reduced the protein expression levels of α-smooth muscle actin(α-SMA), vimentin and collagen I. Moreover, these treatments could reduce the expression of vascular endothelial growth factor-A(VEGFA) by inhibiting the infiltration of macrophages. Furthermore, HJHR and EPL significantly reduced the expression of CD34 and CD105 by downregulating VEGFA production, which inhibited angiogenesis. Finally, the coexpressions of CD34, CD105 and α-SMA were decreased in the HJHR and EPL groups, indicating that endothelial-to-mesenchymal transition was inhibited. CONCLUSIONS: These findings confirm that HJHR alleviates contralateral renal fibrosis by inhibiting VEGFAinduced angiogenesis, encourage the use of HJHR against renal interstitial fibrosis and provide a theoretical basis for the clinical management of patients with CKD.

关键词： aldosterone epithelial-mesenchymal transition eplerenone Huoxue Jiedu Huayu recipe mineralocorticoid receptors unilateral ureteral obstruction

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Cellular zinc metabolism and zinc signaling:from biological functions to diseases and therapeutic targets

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Signal Transduction and Targeted Therapy 2024年第2期9卷 401-441页

作者： Bonan Chen Peiyao Yu Wai Nok Chan Fuda Xie Yigan Zhang Li Liang Kam Tong Leung Kwok Wai Lo Jun Yu Gary M.K.Tse Wei Kang Ka Fai To Department of Anatomical and Cellular Pathology State Key Laboratory of Translational OncologyPrince of Wales HospitalThe Chinese University of Hong KongHong KongChina State Key Laboratory of Digestive Disease Institute of Digestive DiseaseThe Chinese University of Hong KongHong KongChina CUHK-Shenzhen Research institute The Chinese University of Hong KongShenzhenChina Department of Pathology Nanfang Hospital and Basic Medical CollegeSouthern Medical UniversityGuangdong Province Key Laboratory of Molecular Tumor PathologyGuangzhouChina institute of Biomedical Research Taihe HospitalHubei University of MedicineShiyanChina Department of pediatrics The Chinese University of Hong KongHong KongChina Department of medicine and Therapeutics The Chinese University of Hong KongHong KongChina

Zinc metabolism at the cellular level is critical for many biological processes in the body.A key observation is the disruption of cellular homeostasis,often coinciding with disease progression.As an essential factor in maintaining cellular equilibrium,cellular zinc has been increasingly spotlighted in the context of disease development.Extensive research suggests zinc’s involvement in promoting malignancy and invasion in cancer cells,despite its low tissue concentration.This has led to a growing body of literature investigating zinc’s cellular metabolism,particularly the functions of zinc transporters and storage mechanisms during cancer progression.Zinc transportation is under the control of two major transporter families:SLC30(ZnT)for the excretion of zinc and SLC39(ZIP)for the zinc intake.Additionally,the storage of this essential element is predominantly mediated by metallothioneins(MTs).This review consolidates knowledge on the critical functions of cellular zinc signaling and underscores potential molecular pathways linking zinc metabolism to disease progression,with a special focus on cancer.We also compile a summary of clinical trials involving zinc ions.Given the main localization of zinc transporters at the cell membrane,the potential for targeted therapies,including small molecules and monoclonal antibodies,offers promising avenues for future exploration.

关键词： metabolism invasion involvement

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Rapid Simultaneous Determination of Four Ganoderic Acids in Ganoderma(Chinese Name:Lingzhi)by Direct Infusion-Multiple Reaction Monitoring Cubed

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Journal of Analysis and Testing 2024年第1期8卷 52-62页

作者： Nian Wu Bo Peng Ting Li Pengfei Tu Shengpeng Wang Bo Li Wenjing Liu Yuelin Song Modern Research Center for Traditional Chinese medicine Beijing Research Institute of Chinese MedicineBeijing University of Chinese MedicineBeijing 100029China Amway(China)Botanical Research Center Wuxi 214011China State Key Laboratory of Quality Research in Chinese medicine Institute of Chinese Medical SciencesUniversity of MacaoTaipa 999078China Amway(Shanghai)Innovation&Science Co. LtdShanghai 201508China School of Pharmacy Henan University of Chinese MedicineZhengzhou 450046China

Attributing to the rapid demand expansion for the edible medicinal materials in the market,the limited throughput of highperformance liquid chromatography-multiple reaction monitoring(HPLC-MRM)cannot fully address the measurement workload for a huge number of testing samples.Hence,it is urgent to pursue more efficient approaches for the quality evaluation.Because of the greater selectivity of MRM cubed(MRM^(3))over MRM,there might be a chance to omit the time-intensive LC separation.In current study,we attempted to develop a direct infusion(DI)-MRM^(3) program,and the applicability was thereafter assessed through simultaneous determination of four ganoderic acids(GAs)in one of the most famous tonic herbal medicines namely Ganoderma(Chinese name:Lingzhi).Primary parameters such as Q1>Q3>QLIT ion transitions,collision energy(CE),and excitation energy were optimized by programming online energy-resolved mass spectrometry with authentic compounds.A single DI-MRM measurement merely costed four minutes,and in spite of the wide occurrences of isomers,satisfactory selectivity was achieved.Method validation assays demonstrated the method to be sensitive,precise,accurate,and reproducible.The quantitative results from DI-MRM^(3) were also justified by conducting LC-MRM measurements in parallel.Significant differences occurred for the content patterns between the two original sources namely Ganoderma lucidum and G.sinense,and,moreover,either cultivar or harvest time showed dramatical influence on the quantitative features of the four targeted GAs.More importantly,DI-MRM3 is a meaningful analytical option for rapid quantitative analysis of herbal medicines,because of the comparable reliability,nonetheless,less consumptions of both measurement time and solvent,compared with LC-MRM.

关键词： Direct infusion Multiple reaction monitoring cubed High-throughput quantitative analysis Ganoderic acids Ganoderma

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Are treatment options used for adult-onset type 2 diabetes mellitus(equally)available and effective for children and adolescents?

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World Journal of Diabetes 2024年第4期15卷 623-628页

作者： Nevena Krnic Vibor Sesa Anna Mrzljak Maja Cigrovski Berkovic Clinics for pediatrics University Hospital Center ZagrebZagreb 10000Croatia Department of Gastroenterology and Hepatology University Hospital Centre ZagrebZagreb 10000Croatia University of Zagreb School of medicine Zagreb 10000Croatia Department for Sport and Exercise medicine University of Zagreb Faculty of KinesiologyZagreb 10000Croatia

Youth-onset type 2 diabetes mellitus(T2DM),influenced by an increase in obesity,is a rising problem worldwide.Pathophysiological mechanisms of this early-onset T2DM include both peripheral and hepatic insulin resistance,along with increa-sed hepatic fasting glucose production accompanied by inadequate first and second-phase insulin secretion.Moreover,the incretin effect is reduced.The initial presentation of type 2 diabetes can be dramatic and symptoms may overlap with those of type 1 diabetes mellitus.Therefore,immediate therapy should address hyperglycemia and associated metabolic derangements irrespective of ultimate diabetes type,while further therapy adjustments are prone to patients’pheno-type.New agents with proven glycemic and beyond glycemia benefits,such as Glucagon-like polypeptide 1 receptor agonists and Sodium-glucose cotransporter-2 inhibitors,used in the adult population of T2DM patients,might become increasingly important in the treatment armamentarium.Moreover,metabolic surgery is an option for markedly obese(body mass index>35 kg/m^(2))children and adolescents suffering from T2DM who have uncontrolled glycemia and/or serious comorbidities when lifestyle and pharmacologic interventions fail.In this mini-review,we will discuss the potential of treatment options considering new data available from randomized control trials,including individuals with adult-onset type diabetes mellitus.

关键词： Youth-onset type 2 diabetes mellitus Treatment Complications Glucose lowering agents Extra-glycemic benefit

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Fucosyltransferase 8 regulates adult neurogenesis and cognition of mice by modulating the Itga6-PI3K/Akt signaling pathway

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Science China(Life Sciences) 2024年第7期67卷 1427-1440页

作者： Hongfeng Guo Qihang Sun Xiaoli Huang Xiaohao Wang Feng Zhang Wenzheng Qu Jinling Liu Xuejun Cheng Qiang Zhu Wen Yi Qiang Shu Xuekun Li The Children’s Hospital National Clinical Research Center for Child HealthSchool of MedicineZhejiang UniversityHangzhou 310052China The institute of Translational medicine School of MedicineZhejiang UniversityHangzhou 310029China College of Life Sciences Zhejiang UniversityHangzhou 310058China Binjiang institute of Zhejiang University Hangzhou 310053China Zhejiang University Cancer Center Zhejiang UniversityHangzhou 310029China

Fucosyltransferase 8(Fut8)and core fucosylation play critical roles in regulating various biological processes,including immune response,signal transduction,proteasomal degradation,and energy metabolism.However,the function and underlying mechanism of Fut8 and core fucosylation in regulating adult neurogenesis remains unknown.We have shown that Fut8 and core fucosylation display dynamic features during the differentiation of adult neural stem/progenitor cells(aNSPCs)and postnatal brain development.Fut8 depletion reduces the proliferation of a NSPCs and inhibits neuronal differentiation of aNSPCs in vitro and in vivo,respectively.Additionally,Fut8 deficiency impairs learning and memory in mice.Mechanistically,Fut8 directly interacts with integrinα6(Itga6),an upstream regulator of the PI3kAkt signaling pathway,and catalyzes core fucosylation of Itga6.Deletion of Fut8 enhances the ubiquitination of Itga6 by promoting the binding of ubiquitin ligase Trim21 to Itga6.Low levels of Itga6 inhibit the activity of the PI3K/Akt signaling pathway.Moreover,the Akt agonist SC79 can rescue neurogenic and behavioral deficits caused by Fut8 deficiency.In summary,our study uncovers an essential function of Fut8 and core fucosylation in regulating adult neurogenesis and sheds light on the underlying mechanisms.

关键词： Fut8 adult neural stem/progenitor cells neurogenesis Itga6 PI3K/Akt

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