OBJECTIVE:To investigate the effects of Jinlida granules(津力达颗粒,JLD)on body weight,glucose tolerance,intestinal inflammation and barrier function in high-fat diet(HFD)-induced obese rats and explore the regulation...OBJECTIVE:To investigate the effects of Jinlida granules(津力达颗粒,JLD)on body weight,glucose tolerance,intestinal inflammation and barrier function in high-fat diet(HFD)-induced obese rats and explore the regulation of the gut microbiota as a potential treatment mechanism.METHODS:Sprague-Dawley rats were divided into control,HFD,low-dose JLD(L-JLD),high-dose JLD(HJLD),and sitagliptin groups.The rats,with the exception of those in the control group,were fed a HFD to establish an obesity model while simultaneously receiving 0.5%carboxymethyl cellulose,L-JLD,H-JLD or sitagliptin for 25 weeks.We assessed body weight,conducted oral glucose tolerance tests,and analysed faecal samples using metagenomic sequencing.Haematoxylin-eosin(HE),Masson and immunohistochemical(IHC)staining were employed to evaluate histological changes in the colon tissue.Immunofluorescence(IF)staining was used to measure the expression levels of Zonula occludens-1(ZO-1)and Claudin-1 in colon tissue.The colon tissue was also subjected to transcriptomic evaluation.RESULTS:JLD treatment significantly reduced body weight and enhanced glucose tolerance in obese rats.It alleviated colonic tissue damage,decreased collagen deposition,inhibited macrophage infiltration,and increased the expression of the tight junction proteins ZO-1 and Claudin-1.Metagenomic analysis revealed JLDinduced shifts in the gut microbiota composition(increasing the abundance of Turicibacter,Faecalibaculum,Coriobacteriaceae and Lactobacillus reuteri),enriching beneficial bacteria and metabolic pathways(increasing the biosynthesis of various secondary metabolites,ascorbate and aldarate metabolism,oxidative phosphorylation,C5-branched dibasic acid metabolism and beta-alanine metabolism).Transcriptomic analysis revealed downregulation of inflammatory and immune pathways(inhibition of the tumour necrosis factor signalling pathway,advanced glycation end products-receptor for advanced glycation end products signalling pathway,toll-like receptor signalling pathway,and interleukin-17 signalling pathway),suggesting a comprehensive modulatory effect of JLD on intestinal health and metabolic function.CONCLUSIONS:JLD granules effectively improve glucose tolerance and ameliorate obesity-related intestinal dysfunctions in HFD-induced obese rats.These benefits are likely mediated through the modulation of the gut microbiota,the suppression of intestinal inflammation,the enhancement of barrier function,and the attenuation of proinflammatory pathways.Our findings offer novel insights into the therapeutic potential of JLD,emphasizing its role in integrating gut microbiota management into the treatment of metabolic disorders.展开更多
目的:系统评价关注肺结节患者的症状、证素、证候、体质等具有中医药特色临床特征的横断面研究。方法:计算机检索中英文数据库中与肺结节患者症状(躯体症状、情志状态)、证素、证候、体质相关横断面研究,检索数据库包括国家知识基础设...目的:系统评价关注肺结节患者的症状、证素、证候、体质等具有中医药特色临床特征的横断面研究。方法:计算机检索中英文数据库中与肺结节患者症状(躯体症状、情志状态)、证素、证候、体质相关横断面研究,检索数据库包括国家知识基础设施数据库(CNKI)、中国学术期刊数据库(CSPD)、中文科技期刊数据库(CCD)、中国生物医学文献数据库(CBM)、PubMed、Embase、Web of Science,检索时间为建库至2024年1月7日。采用《JBI对报告流行数据的研究的关键评估清单》对纳入研究进行质量评价;采用系统综述的方式对纳入文献进行分析。结果:共纳入76篇文献,研究地区覆盖我国南北的20个省份以及美国、英国、瑞典3个国家,总样本量26284例;纳入研究的总体方法学质量一般,在样本量覆盖、抽样方法和纳排标准等方面需要加强。纳入文献提示,肺结节患者除咳嗽、咳痰、胸闷、胸痛等肺系症状外,睡眠障碍、乏力疲惫、焦虑抑郁等全身症状也较为常见;病位证素主要有肺、脾、肝,病性证素主要有痰、湿、瘀、热、气虚、阴虚等,证型主要有痰浊阻肺、瘀阻肺络、肝郁气滞、脾虚痰湿等,偏颇体质主要为气虚、气郁、痰湿等。结论:现存文献评估肺结节患者的症状、证素、证候、体质等临床特征分布状况的标准参差不齐,方法学质量和证据价值有限。展开更多
为探究大豆基于株高抗旱系数(drought resistance coefficient based on plant height,DCPH)和主茎节数抗旱系数(drought resistance coefficient based on number of main stem nodes,DCNS)的抗性遗传基础,本研究选取由113份大豆品种(...为探究大豆基于株高抗旱系数(drought resistance coefficient based on plant height,DCPH)和主茎节数抗旱系数(drought resistance coefficient based on number of main stem nodes,DCNS)的抗性遗传基础,本研究选取由113份大豆品种(系)组成的自然群体作为研究材料,在全生育期干旱胁迫和正常供水条件下测定了株高和主茎节数,分别计算两种类型的抗旱系数,并利用全基因组关联分析技术(Genome-Wide Association Study,GWAS),挖掘与大豆株高和主茎节数抗旱性相关的基因和位点。结果显示:利用1882531个SNP标记进行GWAS分析,DCPH显著关联的位点全部位于9号染色体上,而DCNS显著关联的位点全部位于6号染色体上。进一步分析确定了DCPH和DCNS的候选基因区间,分别筛选出41个与DCPH相关的候选基因和15个与DCNS相关的候选基因。这些基因可能参与大豆生长发育的调控、激素信号传导、细胞分裂和生长等过程。本研究不仅为深入解析大豆抗旱性的分子机制提供了重要线索,还为培育抗旱性强的大豆品种提供了宝贵的基因资源。展开更多
目的评估妊娠期超重肥胖和子代代谢相关(非酒精性)脂肪性肝病(MASLD)发生风险之间的相关性,为生命早期预防MASLD提供理论依据。方法在线检索中国知网、万方数据知识服务平台、中国生物医学文献服务系统SinoMed和PubMed、Embase、Web of ...目的评估妊娠期超重肥胖和子代代谢相关(非酒精性)脂肪性肝病(MASLD)发生风险之间的相关性,为生命早期预防MASLD提供理论依据。方法在线检索中国知网、万方数据知识服务平台、中国生物医学文献服务系统SinoMed和PubMed、Embase、Web of Science、Cochrane Library、PROSPERO、PQDT Global、ScienceDirect 10个数据库中有关妊娠期超重肥胖和子代MASLD发生关联的研究文献,检索时间为2014年1月至2024年12月。由2名研究者独立进行筛选文献、资料提取和质量评价,采用R 4.3.3软件进行统计分析。结果共纳入10篇文献,涉及10229名研究对象,包括4篇队列研究和6篇病例对照研究。队列研究合并效应值显示妊娠期超重肥胖会增加子代MASLD发生风险(RR=1.59,95%CI=1.06~2.39,P<0.05),研究间存在中度异质性(I^(2)=56.9%,P=0.07);病例对照研究合并效应值显示妊娠期超重肥胖与子代MASLD的发生风险呈正相关(OR=2.00,95%CI=1.68~2.39,P<0.05),异质性较低(I^(2)=48.8%,P=0.08)。结论妊娠期超重肥胖与子代MASLD的发生风险呈正相关,孕期体重管理可降低子代MASLD的发生风险。展开更多
基金Supported by the National Key Research and Development Program'Modernization Research of Traditional Chinese Medicine':Cardiovascular Event Chain(Metabolic Syndrome,Atherosclerosis,Myocardial Infarction,Arrhythmia,Heart Failure)(No.2017YFC700500)the Key R&D Program of Hebei:Traditional Chinese Medicine Innovation Project:Clinical Research on the Treatment of Diabetes Foot with Collateral Drugs and the Mechanism of Its Influence on Collateral Vessel Reconstruction(No.223777155D)+1 种基金the Scientific Research Project of Hebei Provincial Administration of Traditional Chinese Medicine:Clinical Study on Jinlida Granules in Treating Intestinal Dysfunction of diabetes and Its Effect on Short Chain Fatty Acids(No.2023179)the Scientific Research Project of Hebei Provincial Administration of Traditional Chinese Medicine:Clinical Study on Tongluo Therapy for Diabetes Foot and Its Influence on Microcirculation(No.2018200)。
文摘OBJECTIVE:To investigate the effects of Jinlida granules(津力达颗粒,JLD)on body weight,glucose tolerance,intestinal inflammation and barrier function in high-fat diet(HFD)-induced obese rats and explore the regulation of the gut microbiota as a potential treatment mechanism.METHODS:Sprague-Dawley rats were divided into control,HFD,low-dose JLD(L-JLD),high-dose JLD(HJLD),and sitagliptin groups.The rats,with the exception of those in the control group,were fed a HFD to establish an obesity model while simultaneously receiving 0.5%carboxymethyl cellulose,L-JLD,H-JLD or sitagliptin for 25 weeks.We assessed body weight,conducted oral glucose tolerance tests,and analysed faecal samples using metagenomic sequencing.Haematoxylin-eosin(HE),Masson and immunohistochemical(IHC)staining were employed to evaluate histological changes in the colon tissue.Immunofluorescence(IF)staining was used to measure the expression levels of Zonula occludens-1(ZO-1)and Claudin-1 in colon tissue.The colon tissue was also subjected to transcriptomic evaluation.RESULTS:JLD treatment significantly reduced body weight and enhanced glucose tolerance in obese rats.It alleviated colonic tissue damage,decreased collagen deposition,inhibited macrophage infiltration,and increased the expression of the tight junction proteins ZO-1 and Claudin-1.Metagenomic analysis revealed JLDinduced shifts in the gut microbiota composition(increasing the abundance of Turicibacter,Faecalibaculum,Coriobacteriaceae and Lactobacillus reuteri),enriching beneficial bacteria and metabolic pathways(increasing the biosynthesis of various secondary metabolites,ascorbate and aldarate metabolism,oxidative phosphorylation,C5-branched dibasic acid metabolism and beta-alanine metabolism).Transcriptomic analysis revealed downregulation of inflammatory and immune pathways(inhibition of the tumour necrosis factor signalling pathway,advanced glycation end products-receptor for advanced glycation end products signalling pathway,toll-like receptor signalling pathway,and interleukin-17 signalling pathway),suggesting a comprehensive modulatory effect of JLD on intestinal health and metabolic function.CONCLUSIONS:JLD granules effectively improve glucose tolerance and ameliorate obesity-related intestinal dysfunctions in HFD-induced obese rats.These benefits are likely mediated through the modulation of the gut microbiota,the suppression of intestinal inflammation,the enhancement of barrier function,and the attenuation of proinflammatory pathways.Our findings offer novel insights into the therapeutic potential of JLD,emphasizing its role in integrating gut microbiota management into the treatment of metabolic disorders.
文摘目的:系统评价关注肺结节患者的症状、证素、证候、体质等具有中医药特色临床特征的横断面研究。方法:计算机检索中英文数据库中与肺结节患者症状(躯体症状、情志状态)、证素、证候、体质相关横断面研究,检索数据库包括国家知识基础设施数据库(CNKI)、中国学术期刊数据库(CSPD)、中文科技期刊数据库(CCD)、中国生物医学文献数据库(CBM)、PubMed、Embase、Web of Science,检索时间为建库至2024年1月7日。采用《JBI对报告流行数据的研究的关键评估清单》对纳入研究进行质量评价;采用系统综述的方式对纳入文献进行分析。结果:共纳入76篇文献,研究地区覆盖我国南北的20个省份以及美国、英国、瑞典3个国家,总样本量26284例;纳入研究的总体方法学质量一般,在样本量覆盖、抽样方法和纳排标准等方面需要加强。纳入文献提示,肺结节患者除咳嗽、咳痰、胸闷、胸痛等肺系症状外,睡眠障碍、乏力疲惫、焦虑抑郁等全身症状也较为常见;病位证素主要有肺、脾、肝,病性证素主要有痰、湿、瘀、热、气虚、阴虚等,证型主要有痰浊阻肺、瘀阻肺络、肝郁气滞、脾虚痰湿等,偏颇体质主要为气虚、气郁、痰湿等。结论:现存文献评估肺结节患者的症状、证素、证候、体质等临床特征分布状况的标准参差不齐,方法学质量和证据价值有限。
文摘为探究大豆基于株高抗旱系数(drought resistance coefficient based on plant height,DCPH)和主茎节数抗旱系数(drought resistance coefficient based on number of main stem nodes,DCNS)的抗性遗传基础,本研究选取由113份大豆品种(系)组成的自然群体作为研究材料,在全生育期干旱胁迫和正常供水条件下测定了株高和主茎节数,分别计算两种类型的抗旱系数,并利用全基因组关联分析技术(Genome-Wide Association Study,GWAS),挖掘与大豆株高和主茎节数抗旱性相关的基因和位点。结果显示:利用1882531个SNP标记进行GWAS分析,DCPH显著关联的位点全部位于9号染色体上,而DCNS显著关联的位点全部位于6号染色体上。进一步分析确定了DCPH和DCNS的候选基因区间,分别筛选出41个与DCPH相关的候选基因和15个与DCNS相关的候选基因。这些基因可能参与大豆生长发育的调控、激素信号传导、细胞分裂和生长等过程。本研究不仅为深入解析大豆抗旱性的分子机制提供了重要线索,还为培育抗旱性强的大豆品种提供了宝贵的基因资源。
