Inulin-type fructan CP-A,a predominant polysaccharide in Codonopsis pilosula,demonstrates regulatory effects on immune activity and anti-inflammation.The efficacy of CP-A in treating ulcerative colitis(UC)is,however,n...Inulin-type fructan CP-A,a predominant polysaccharide in Codonopsis pilosula,demonstrates regulatory effects on immune activity and anti-inflammation.The efficacy of CP-A in treating ulcerative colitis(UC)is,however,not well-established.This study employed an in vitro lipopolysaccharide(LPS)-induced colonic epithelial cell model(NCM460)and an in vivo dextran sulfate sodium(DSS)-induced colitis mouse model to explore CP-A’s protective effects against experimental colitis and its underlying mechanisms.We monitored the clinical symptoms in mice using various parameters:body weight,disease activity index(DAI),colon length,spleen weight,and histopathological scores.Additionally,molecular markers were assessed through enzyme-linked immunosorbent assay(ELISA),quantitative real-time polymerase chain reaction(qRT-PCR),immunofluorescence(IF),immunohistochemistry(IHC),and Western blotting assays.Results showed that CP-A significantly reduced reactive oxygen species(ROS),tumor necrosis factor-alpha(TNF-α),and interleukins(IL-6,IL-1β,IL-18)in LPS-induced cells while increasing IL-4 and IL-10 levels and enhancing the expression of Claudin-1,ZO-1,and occludin proteins in NCM460 cells.Correspondingly,in vivo findings revealed that CPA administration markedly improved DAI,reduced colon shortening,and decreased the production of myeloperoxidase(MPO),malondialdehyde(MDA),ROS,IL-1β,IL-18,and NOD-like receptor protein 3(NLRP3)inflammasome-associated genes/proteins in UC mice.CP-A treatment also elevated glutathione(GSH)and superoxide dismutase(SOD)levels,stimulated autophagy(LC3B,P62,Beclin-1,and ATG5),and reinforced Claudin-1 and ZO-1 expression,thereby aiding in intestinal epithelial barrier repair in colitis mice.Notably,the inhibition of autophagy via chloroquine(CQ)diminished CP-A’s protective impact against colitis in vivo.These findings elucidate that CP-A’s therapeutic effect on experimental colitis possibly involves mitigating intestinal inflammation through autophagymediated NLRP3 inflammasome inactivation.Consequently,inulin-type fructan CP-A emerges as a promising drug candidate for UC treatment.展开更多
目的系统评价菊粉类果聚糖对致动脉粥样硬化相关3种主要血脂的影响,为动脉粥样硬化防治饮食策略的制定提供依据。方法全面检索PubMed、Embase、中国知网、中国生物医学文献数据库、中文科技期刊数据库和万方数据知识服务平台中的相关文...目的系统评价菊粉类果聚糖对致动脉粥样硬化相关3种主要血脂的影响,为动脉粥样硬化防治饮食策略的制定提供依据。方法全面检索PubMed、Embase、中国知网、中国生物医学文献数据库、中文科技期刊数据库和万方数据知识服务平台中的相关文献,按照预先制定的纳入和排除标准筛选文献,之后进行质量评价和数据提取,最终采用Stata 11.0软件进行meta分析和发表偏倚的检测。结果最终纳入22篇文献,总样本数为822例,实验组413例,对照组409例。Meta分析结果显示,菊粉类果聚糖对高密度脂蛋白胆固醇(HDL-C)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)水平影响的合并加权均数差(weighted mean difference,WMD)值及95%CI分别为0.05(0.01,0.08)mmol/L、-0.08(-0.14,-0.01)mmol/L、-0.16(-0.25,-0.06)mmol/L。亚组分析结果显示:菊粉类果聚糖可使血脂异常亚组TG水平降低0.17mmol/L,糖尿病亚组HDL-C水平升高0.15mmol/L,TG水平降低0.30mmol/L,差异有统计学意义(P<0.05)。结论每日摄食适量菊粉类果聚糖可提升人体血清HDL-C水平,降低TG和LDL-C水平,血脂异常人群、糖尿病人群获益更多。展开更多
目的验证菊粉型益生元对2型糖尿病患者血糖控制和血脂代谢的影响。方法选取2016年9月—2017年9月在黄陂区人民医院和中医院就诊的2型糖尿病患者588例,平均年龄为(56.19±9.83)岁,每例患者经过2个试验周期,观察期(为期4周)给予单纯...目的验证菊粉型益生元对2型糖尿病患者血糖控制和血脂代谢的影响。方法选取2016年9月—2017年9月在黄陂区人民医院和中医院就诊的2型糖尿病患者588例,平均年龄为(56.19±9.83)岁,每例患者经过2个试验周期,观察期(为期4周)给予单纯药物治疗,营养干预期(为期12周)在药物治疗基础上,接受菊粉益生元营养强化干预。结果经过益生元营养强化干预后,主要疗效指标Hb A1c和次要指标FBG、2 h PG、CHOL、TRIG、LDL、BMI、BP与试验前和观察期第4周时比较显著降低,差异有统计学意义(P<0.05),HDL对比试验前差异无统计学意义,但对比观察期第4周,HDL升高,差异有统计学意义(P<0.01)。结论菊粉型益生元干预有利于2型糖尿病患者的体重、血压、血糖、血脂的控制,营养强化干预比单纯的药物治疗方式效果更佳。展开更多
基金supported by the National Natural Science Foundation of China(No.81904031)National Key Research and Development Program of China(No.2019YFC1710800)+1 种基金the Natural Science Foundation of Shanxi Province(No.201901D211325)the Science Research Start-up Fund for Doctor of Shanxi Medical University(No.XD1802).
文摘Inulin-type fructan CP-A,a predominant polysaccharide in Codonopsis pilosula,demonstrates regulatory effects on immune activity and anti-inflammation.The efficacy of CP-A in treating ulcerative colitis(UC)is,however,not well-established.This study employed an in vitro lipopolysaccharide(LPS)-induced colonic epithelial cell model(NCM460)and an in vivo dextran sulfate sodium(DSS)-induced colitis mouse model to explore CP-A’s protective effects against experimental colitis and its underlying mechanisms.We monitored the clinical symptoms in mice using various parameters:body weight,disease activity index(DAI),colon length,spleen weight,and histopathological scores.Additionally,molecular markers were assessed through enzyme-linked immunosorbent assay(ELISA),quantitative real-time polymerase chain reaction(qRT-PCR),immunofluorescence(IF),immunohistochemistry(IHC),and Western blotting assays.Results showed that CP-A significantly reduced reactive oxygen species(ROS),tumor necrosis factor-alpha(TNF-α),and interleukins(IL-6,IL-1β,IL-18)in LPS-induced cells while increasing IL-4 and IL-10 levels and enhancing the expression of Claudin-1,ZO-1,and occludin proteins in NCM460 cells.Correspondingly,in vivo findings revealed that CPA administration markedly improved DAI,reduced colon shortening,and decreased the production of myeloperoxidase(MPO),malondialdehyde(MDA),ROS,IL-1β,IL-18,and NOD-like receptor protein 3(NLRP3)inflammasome-associated genes/proteins in UC mice.CP-A treatment also elevated glutathione(GSH)and superoxide dismutase(SOD)levels,stimulated autophagy(LC3B,P62,Beclin-1,and ATG5),and reinforced Claudin-1 and ZO-1 expression,thereby aiding in intestinal epithelial barrier repair in colitis mice.Notably,the inhibition of autophagy via chloroquine(CQ)diminished CP-A’s protective impact against colitis in vivo.These findings elucidate that CP-A’s therapeutic effect on experimental colitis possibly involves mitigating intestinal inflammation through autophagymediated NLRP3 inflammasome inactivation.Consequently,inulin-type fructan CP-A emerges as a promising drug candidate for UC treatment.
文摘目的系统评价菊粉类果聚糖对致动脉粥样硬化相关3种主要血脂的影响,为动脉粥样硬化防治饮食策略的制定提供依据。方法全面检索PubMed、Embase、中国知网、中国生物医学文献数据库、中文科技期刊数据库和万方数据知识服务平台中的相关文献,按照预先制定的纳入和排除标准筛选文献,之后进行质量评价和数据提取,最终采用Stata 11.0软件进行meta分析和发表偏倚的检测。结果最终纳入22篇文献,总样本数为822例,实验组413例,对照组409例。Meta分析结果显示,菊粉类果聚糖对高密度脂蛋白胆固醇(HDL-C)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)水平影响的合并加权均数差(weighted mean difference,WMD)值及95%CI分别为0.05(0.01,0.08)mmol/L、-0.08(-0.14,-0.01)mmol/L、-0.16(-0.25,-0.06)mmol/L。亚组分析结果显示:菊粉类果聚糖可使血脂异常亚组TG水平降低0.17mmol/L,糖尿病亚组HDL-C水平升高0.15mmol/L,TG水平降低0.30mmol/L,差异有统计学意义(P<0.05)。结论每日摄食适量菊粉类果聚糖可提升人体血清HDL-C水平,降低TG和LDL-C水平,血脂异常人群、糖尿病人群获益更多。
文摘目的验证菊粉型益生元对2型糖尿病患者血糖控制和血脂代谢的影响。方法选取2016年9月—2017年9月在黄陂区人民医院和中医院就诊的2型糖尿病患者588例,平均年龄为(56.19±9.83)岁,每例患者经过2个试验周期,观察期(为期4周)给予单纯药物治疗,营养干预期(为期12周)在药物治疗基础上,接受菊粉益生元营养强化干预。结果经过益生元营养强化干预后,主要疗效指标Hb A1c和次要指标FBG、2 h PG、CHOL、TRIG、LDL、BMI、BP与试验前和观察期第4周时比较显著降低,差异有统计学意义(P<0.05),HDL对比试验前差异无统计学意义,但对比观察期第4周,HDL升高,差异有统计学意义(P<0.01)。结论菊粉型益生元干预有利于2型糖尿病患者的体重、血压、血糖、血脂的控制,营养强化干预比单纯的药物治疗方式效果更佳。
