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Berberine Enhances Intestinal Mucosal Barrier Function by Promoting Vitamin D Receptor Activity

Chinese Journal of Integrative medicine 2024年第2期30卷 143-151页

作者： HUANG Yong-quan LIU Jia-lin CHEN Geng-xin SHEN Dan-ting ZHU Wang CHEN Xin-lin LIU Feng-bin HOU Qiu-ke Graduate School Guangzhou University of Chinese MedicineGuangzhou(510405)China department of Orthopedics the Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou(510006)China department of preventive medicine and Health Statistics Guangzhou University of Chinese MedicineGuangzhou(510006)China department of Gastroenterology the First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou(510405)China

Objective:To evaluate if berberine can act on vitamin D receptors(VDR)and thereby regulate the expression of tight junction proteins(TJPs)in irritable bowel syndrome-diarrhea-predominant(IBS-D)***:The newborn rats were induced into IBS-D rat model via neonatal maternal separation combined with acetic acid chemical *** modeling,the model was evaluated and rats were divided into the control group and berberine treatment groups(0.85,1.7 and 3.4 mg/kg,once a day for 2 weeks).The distal colon was obtained and colonic epithelial cells(CECs)were isolated and cultured after IBS-D model *** vitamin D receptor response element(VDRE)reporter gene was determined in the CECs of IBS-D rats to analyze the effect of berberine on the VDRE *** overexpression or silencing technology was used to analyze whether VDR plays a role in promoting intestinal barrier repair,and to determine which region of VDR plays a role in berberine-regulated intestinal ***:The IBS-D rat model was successfully constructed and the symptoms were improved by berberine in a dose-dependent manner(P<0.05).The activity of VDRE promoter was also effectively promoted by berberine(P<0.05).Berberine increased the expression of TJPs in IBS-D CECs(P<0.05).VDR expression was significantly increased after transfection of different domains of VDR when compared to normal control and basic plasmid groups(all P<0.05).RT-qPCR and Western blot results showed that compared with the blank group,expressions of occludin and zonula occludens-1 were significantly higher in VDR containing groups(all P<0.05).Berberine plus pCMV-Myc-VDR-N group exerted the highest expression levels of occludin and zonula occludens-1(P<0.05).Conclusion:Berberine enhances intestinal mucosal barrier function of IBS-D rats by promoting VDR activity,and the main site of action is the N-terminal region of VDR.

关键词： berberine Chinese medicine irritable bowel syndrome-diarrhea-predominant vitamin D receptors intestinal mucosal barrier tight junction proteins

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Simulation-based assessment for the emergency medicine milestones: a national survey of simulation experts and program directors

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World Journal of Emergency medicine 2024年第4期15卷 301-305页

作者： Afrah A Ali Ashley Crimmins Hegang Chen Danya Khoujah department of Emergency medicine University of Maryland School of MedicineBaltimore 21201USA department of epidemiology and Public Health University of Maryland School of MedicineBaltimore 21201USA department of Emergency medicine AdventHealth TampaTampa 33606USA

The focus of outcome-based education has shifted from the process of training to the end“product”of *** has necessitated a reframing of the teaching,learning,and ***,in 2013,the Accreditation Council for Graduate Medical Education(ACGME)implemented the educational milestones for all accredited residencies and fellowship programs.[1]The milestones have been described as“developmentally based,specialty-specific achievements that residents are expected to demonstrate at established intervals as they progress through training.”[1]Milestones are based on the six core competencies established by the ACGME and American Board of Medical Specialties(ABMS),which consist of medical knowledge(MK),patient care(PC),interpersonal and communication skills(ICS),practice-based learning and improvement(PBLI),professionalism(PROF),and systems-based practice(SBP).[2,3]ACGME,in conjunction with the American Board of Emergency medicine(ABEM),drafted 23 detailed subcompetencies relevant to emergency medicine(EM).[4]

关键词： Miles milestone education

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Effect of frequent blood pressure measurements after discharge on clinical outcomes in ischemic stroke patients

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Chinese Medical Journal 2024年第13期137卷 1629-1631页

作者： Ruirui Wang Yanni Wu Mengyao Shi Pinni Yang Yang Liu Yang Jiao Yanbo Peng Aili Wang Tan Xu Jing Chen Yonghong Zhang Jiang He department of epidemiology School of Public Health and Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric DiseasesSuzhou Medical College of Soochow UniversitySuzhouJiangsu 215123China department of Cardiology Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu 215004China department of epidemiology Tulane University School of Public Health and Tropical MedicineNew OrleansLA 70112USA department of Cardiology First Affiliated Hospital of Soochow UniversitySuzhouJiangsu 215129China department of Neurology Affiliated Hospital of North China University of Science and TechnologyTangshanHebei 063000China department of medicine Tulane University School of MedicineNew OrleansLA 70112USA

To the Editor:Stroke is a major cause of death and longterm serious disability in adults *** is the most important modifiable risk factor for primary and secondary prevention of stroke.[1]Even a modest reduction in clinical blood pressure(BP)of approximately 10/5 mmHg is associated with a significant 30%risk reduction of adverse clinical *** clinical evidence strongly advocated the effectiveness of managing BP to reduce adverse outcomes after ischemic stroke,[2]the management and control of BP in ischemic stroke patients after discharge remain poor.

关键词： prevention death after

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A nanobody-based blocking enzyme-linked immunosorbent assay for detecting antibodies against pseudorabies virus glycoprotein E

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Journal of Integrative Agriculture 2024年第4期23卷 1354-1368页

作者： Huanhuan Lü Pinpin Ji Siyu Liu Ziwei Zhang Lei Wang Yani Sun Baoyuan Liu Lizhen Wang Qin Zhao department of preventive Veterinary medicine College of Veterinary MedicineNorthwest A&F University/Shaanxi Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic TechnologyMinistry of Agriculture and Rural AffairsYangling 712100China

Pseudorabies(PR)is an acute infectious disease of pigs caused by the PR virus(PRV)and results in great economic losses to the pig industry *** glycoprotein E(gE)-based enzyme-linked immunosorbent assay(ELISA)has been used to distinguish gE-deleted vaccine-immunized pigs from wild-type virus-infected pigs to eradicate PR in some *** has the advantages of small size and easy genetic engineering and has been a promising diagnostic ***,there were few reports about developing nanobody-based ELISA for detecting anti-PRV-gE *** the present study,the recombinant PRV-gE was expressed with a bacterial system and used to immunize the Bactrian ***,two nanobodies against PRV-gE were screened from the immunized camel by phage display ***,two nanobody-HRP fusion proteins were expressed with HEK293T *** PRV-gE-Nb36-HRP fusion protein was selected as the probe for developing the blocking ELISA(bELISA)to detect anti-PRV-gE *** optimizing the conditions of bELISA,the amount of coated antigen was 200 ng per well,and dilutions of the fusion protein and tested pig sera were separately 1:320 and 1:*** cut-off value of bELISA was 24.20%,and the sensitivity and specificity were 96.43 and 92.63%,*** detecting 233 clinical pig sera with the developed bELISA and a commercial kit,the results showed that the coincidence rate of two assays was 93.99%.Additionallly,epitope mapping showed that PRV-gE-Nb36 recognized a conserved conformational epitope in different reference PRV ***,great stability and low-cost nanobody-based bELISA for detecting anti-PRV-gE antibodies were *** bELISA could be used for monitoring and eradicating PR.

关键词： nanobody nanobody-HRP blocking ELISA PRV-gE antibody

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Depressive semantic awareness from vlog facial and vocal streams via spatio-temporal transformer

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Digital Communications and Networks 2024年第3期10卷 577-585页

作者： Yongfeng Tao Minqiang Yang Yushan Wu Kevin Lee Adrienne Kline Bin Hu School of Information Science and Engineering Lanzhou UniversityLanzhouChina The School of Accounting Auditing and TaxationBusiness SchoolUNSW SydneyAustralia department of preventive medicine Northwestern UniversityChicagoILUnited States

With the rapid growth of information transmission via the Internet,efforts have been made to reduce network load to promote *** such application is semantic computing,which can extract and process semantic *** media has enabled users to share their current emotions,opinions,and life events through their mobile ***,people suffering from mental health problems are more willing to share their feelings on social ***,it is necessary to extract semantic information from social media(vlog data)to identify abnormal emotional states to facilitate early identification and *** studies do not consider spatio-temporal information when fusing multimodal information to identify abnormal emotional states such as *** solve this problem,this paper proposes a spatio-temporal squeeze transformer method for the extraction of semantic features of ***,a module with spatio-temporal data is embedded into the transformer encoder,which is utilized to obtain a representation of spatio-temporal ***,a classifier with a voting mechanism is designed to encourage the model to classify depression and non-depression *** are conducted on the D-Vlog *** results show that the method is effective,and the accuracy rate can reach 70.70%.This work provides scaffolding for future work in the detection of affect recognition in semantic communication based on social media vlog data.

关键词： Emotional computing Semantic awareness Depression recognition Vlog data

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Influencing Factors of Healthy Aging Risk Assessed Using Biomarkers:A Life Course Perspective

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China CDC weekly 2024年第11期6卷 219-224,I0014-I0017页

作者： Cedric Zhang Bo Lua Yajie Gao Jinming Li Xingqi Cao Xinwei Lyu Yinuo Tu Shuyi Jin Zuyun Liu Center for Clinical Big Data and Analytics of the Second Affiliated Hospital and Department of Big Data in Health Science School of Public Healththe Key Laboratory of Intelligent Preventive Medicine of Zhejiang ProvinceZhejiang University School of MedicineHangzhou CityZhejiang ProvinceChina Institute of epidemiology and Health Care University College LondonLondonUK College of Chemical and Biological Engineering Zhejiang UniversityHangzhou CityZhejiang ProvinceChina

Assessing individual risks of healthy aging using biomarkers and identifying associated factors have become important areas of *** this study,we conducted a literature review of relevant publications between 2018 and 2023 in both Chinese and English *** studies have predominantly used single biomarkers,such as C-reactive protein,or focused on specific life course stages and factors such as socioeconomic status,mental health,educational levels,and unhealthy *** summarizing the progress in this field,our study provides valuable insights and future directions for promoting healthy aging from a life course perspective.

关键词： such insight directions

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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 *** few studies have reported their efficacy in open and high-risk extremity *** study aimed to assess topical vancomycin's role in reducing FRI in closed fractures undergoing open surgical intervention with an ***:This prospective randomized cohort study was carried out between February 2021 to January *** 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 *** data collected included age,gender,socioeconomic status,mechanism of injury,diagnosis,Tscherne classification,and time interval to take up for *** were randomized into the intervention and control groups using the block randomization *** control group received only systemic antibiotic prophylaxis,whereas the intervention group received topical application of vancomycin powder in the surgical wound alongside systemic antibiotic *** primary outcome measure was the incidence of FRI among these *** and radiological findings and culture reports(in cases with infection)were recorded during the post-operative period and at 6 weeks of *** 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 *** independent samples t-test with equal variances was applied to the age ***'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 *** strength of the association between qualitative variables was assessed using the Fisher's exact and Chi-square tests,***:There were 88 patients included in this *** statistical si

关键词： Infections Antibiotics Vancomycin Fractures

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Early endotracheal intubation is not associated with the rate of return of spontaneous circulation following cardiac arrest at the emergency department:an exploratory analysis

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World Journal of Emergency medicine 2024年第4期15卷 297-300页

作者： Siwat Neamjun Phichayut Phinyo Borwon Wittayachamnankul Wachira Wongtanasarasin department of Emergency medicine Faculty of MedicineChiang Mai UniversityChiang Mai 50200Thailand department of Family medicine Faculty of MedicineChiang Mai UniversityChiang Mai 50200Thailand Center for Clinical epidemiology and Clinical Statistics Faculty of MedicineChiang Mai UniversityChiang Mai 50200Thailand department of Emergency medicine University of California Davis School of MedicineSacramento 95817USA

Cardiac arrest poses a significant global public health challenge,manifesting in approximately 550,000 cases annually within the United States.[1]In-hospital cardiac arrest(IHCA)is commonly attributed to airways and respiratory issues.[2]Recommendations emphasize the expertise of responders in airway management.[3]Various options exist,such as chest compression-only cardiopulmonary resuscitation(CPR),bag-mask ventilation(BMV),and advanced *** BMV and advanced airways are not deemed equivalent or superior based on previous evidence.[4]Achieving consistency in choosing and timing the optimal airway approach during IHCA is *** current American Heart Association guidelines suggest an advanced airway strategy when endotracheal intubation(ETI)success rates are high,but the optimal time for advanced airway management remains unclear.[5]Wong et al[6]revealed that survival improved by less than 5 min with advanced airway *** to a subgroup analysis of IHCA patients in emergency departments(EDs),early intubation was associated with a 1.5-fold greater rate of return of spontaneous circulation(ROSC)than in other locations.[7]ED patients’constant monitoring and immediate management,with readily available intubation equipment,enhance early intubation and survival rates.[6]Nonetheless,IHCA patients intubated within the first 15 min had a lower ROSC rate.

关键词： intubation return annually

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Reliability of a computerized system for strabismus screening

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International Journal of Ophthalmology(English edition) 2024年第1期17卷 126-130页

作者： Supaporn Tengtrisorn Alan Frederick Geater department of Ophthalmology Faculty of MedicinePrince of Songkla UniversityHat-YaiSongkla 90110Thailand epidemiology Unit Faculty of MedicinePrince of Songkla UniversityHat-YaiSongkla 90110Thailand

AIM:To evaluate the reliability of Photo-Hirschberg screening for global strabismus performed by non-specialized ***:Participants at three sites were *** person at each site was trained in visual acuity measurement and use of the computerized *** acuity was measured,and strabismus testing was performed using two flash *** data from the three primary observers were sent to an experienced assistant researcher,who was blinded to the primary results,for *** primary and re-evaluation results of the Photo-Hirschberg screenings using weighted kappa for agreement were ***:The study included 181 participants(88 males and 93 females)and the results for primary and re-evaluation screenings were *** participants with contrasting results presented with unclear corneal light *** and specificity were 100%[95%confidence interval(CI):29.0%-100%]and 99.4%(95%CI:96.6%-100%),respectively,based on the Agresti test of the primary evaluation,considering the re-evaluated classification as ***:The computerized system can be used for primary strabismus screening by non-specialized personnel,with 98.8%agreement with ***,it cannot be used as a substitute for professional examination.

关键词： strabismus screening computerized system Photo-Hirschberg screening

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Changes in the Non-targeted Metabolomic Profile of Three-year-old Toddlers with Elevated Exposure to Polycyclic Aromatic Hydrocarbons

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Biomedical and Environmental Sciences 2024年第5期37卷 479-493页

作者： LI Yang LIN Dan ZHANG Xiu Qin JU Guang Xiu SU Ya ZHANG Qian DUAN Hai Ping YU Wei Sen WANG Bing Ling PANG Shu Tao department of epidemiology and Health Statistics School of Public HealthQingdao UniversityQingdao 266021ShandongChina department of Environmental Health Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Physicochemical Laboratory Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Section of Child Health Care Huangdao Maternity and Child Health Care Hospital of QingdaoQingdao 266499ShandongChina Qingdao Blood Center Qingdao 266071ShandongChina

Objective To investigate changes in the urinary metabolite profiles of children exposed to polycyclic aromatic hydrocarbons(PAHs)during critical brain development and explore their potential link with the intestinal *** Liquid chromatography-tandem mass spectrometry was used to determine ten hydroxyl metabolites of PAHs(OH-PAHs)in 36-month-old ***,37 children were categorized into low-and high-exposure groups based on the sum of the ten ***-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to identify non-targeted metabolites in the urine ***,fecal flora abundance was assessed by 16S rRNA gene sequencing using Illumina *** The concentrations of 21 metabolites were significantly higher in the high exposure group than in the low exposure group(variable importance for projection>1,P<0.05).Most of these metabolites were positively correlated with the hydroxyl metabolites of naphthalene,fluorine,and phenanthrene(r=0.336–0.531).The identified differential metabolites primarily belonged to pathways associated with inflammation or proinflammatory states,including amino acid,lipid,and nucleotide ***,these distinct metabolites were significantly associated with specific intestinal flora abundances(r=0.34–0.55),which were mainly involved in *** Higher PAH exposure in young children affected metabolic homeostasis,particularly that of certain gut microbiota-derived *** investigation is needed to explore the potential influence of PAHs on the gut microbiota and their possible association with neurodevelopmental outcomes.

关键词： Child Gut microbiota Non-targeted metabolomics Polycyclic aromatic hydrocarbons Urinary metabolite profile

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