OBJECTIVE:To learn the mechanisms between gut microbiome and the autoimmunity benefits on Traditional Chinese Medicine(TCM)in central nervous system(CNS),we investigated the neuro-protection effects and gut mircobiota...OBJECTIVE:To learn the mechanisms between gut microbiome and the autoimmunity benefits on Traditional Chinese Medicine(TCM)in central nervous system(CNS),we investigated the neuro-protection effects and gut mircobiota changes of Heshouwu(Radix Polygoni Multiflori)on experimental autoimmune encephalomyelitis(EAE),an animal model of multiple sclerosis(MS).METHODS:Mice were randomly divided into four groups:EAE mice(control phosphate-buffered saline group),50 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice,100 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice,and 200 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice.The spinal cords were stained with hematoxylin and eosin(HE)and luxol fast blue for evaluating inflammatory infiltration and demyelination.The percentages of granulocyte macrophage-colony stimulating factor(GM-CSF)+CD4+,interleukin 17(IL-17)+CD4+,Foxp3 CD4+,and interferon-γ(IFN-γ)+CD4+T cells in the inguinal lymph nodes(LNs)and brain were determined by flow cytometry analysis.16S rRNA gene sequencing was employed to analyze the changes in gut microbiota.RESULTS:We found that Heshouwu(Radix Polygoni Multiflori)alleviated the disease severity and neuropathology of EAE as evaluated by clinical and histopathologyical scores.Heshouwu(Radix Polygoni Multiflori)increased the diversity and abundance of the gut microbiota,and decreased Firmicutes/Bacteroidetes ratio(F/B ratio).Heshouwu(Radix Polygoni Multiflori)also decreased the concentrations of IL-10,and IL-21 and increase the levels of GM-CSF,IL-17A,IL-17F and IL-22 in serum of EAE mice.Moreover,Heshouwu(Radix Polygoni Multiflori)modulated the T cell responses by inhibiting Th17 cells and restoring Treg cells in the small intestine lymphoid tissues and inguinal lymph nodes.Microbiota-depleted mice receiving Heshouwu(Radix Polygoni Multiflori)-treated fecal microbiota transplantation had lower disease severity,neuropathology scores and alleviation of Th17/Treg imbalance compared to ad libitum group.CONCLUSIONS:Our findings suggested that the vital neuro-protection role of Heshouwu(Radix Polygoni Multiflori)(TCM)in immunomodulation effects partly by regulations of gut microbiome.展开更多
目的应用网络药理学方法预测何首乌-丹参抗阿尔茨海默病(AD)的作用靶点及相关信号通路,挖掘其抗AD的作用机制。方法通过中药系统药理学技术平台(TCMSP)网站检索何首乌-丹参的活性成分及对应的作用靶点,再通过Drugbank数据库、Dis Ge NE...目的应用网络药理学方法预测何首乌-丹参抗阿尔茨海默病(AD)的作用靶点及相关信号通路,挖掘其抗AD的作用机制。方法通过中药系统药理学技术平台(TCMSP)网站检索何首乌-丹参的活性成分及对应的作用靶点,再通过Drugbank数据库、Dis Ge NET数据库和TTD数据库获得AD的主要致病靶点,采用Cytoscape 3.7.1软件构建药物活性成分-靶点网络图,利用STRING数据库构建蛋白与蛋白相互作用网络,然后运用生物信息学的方法对关键靶点进行基因功能分析和通路富集分析,最后采用MTT法、ELISA法、比色法和实时荧光定量PCR法对网络药理学主要预测的生物过程与信号通路进行验证。结果研究共筛选出何首乌-丹参药对的有效成分24个,对应靶点274个,与AD相关靶点共107个,相关信号通路前10条,GO分析相关度前20个靶点分子功能。细胞实验证实了何首乌-丹参能有效提高PC12细胞的细胞存活率及抑制PC12细胞的炎症反应和氧化应激反应,并促进Nrf2/HO-1信号通路的激活。结论何首乌-丹参主要是通过抗炎和抗氧化应激对AD产生重要的治疗作用,为后续临床治疗AD提供新的思路。展开更多
基金National Natural Science Foundation of China:Role and Mechanism of Akkermansia-Mediated Activation of Microglia NLRP3 Inflammasome in Multiple Sclerosis(No.82101419)Jiangxi Provincial Natural Science Foundation:the Role and Mechanism of p38 MAPK Signaling Pathway Induced by Intestinal Flora Change in EAE Mice(No.20212BAB216024)+3 种基金Jiangxi Science and Technology Project of Chinese Medicine:Study on the Role and Mechanism of CGAS-STING Signaling Pathway in Microglia Mediated by Rhodiola Sachalinensis in Multiple Sclerosis(No.2021B660,No.2022B1007)Jiangxi Science and Technology Program of Health Commission:the Role and Mechanism of Intestinal Flora Changes in Mediating the Activation of NLRP3 Inflammasome in Microglia in Multiple Sclerosis(No.202210392)Science and Technology Research Project of Jiangxi Education:Study on the Role and Mechanism of p38 MAPK Signaling Pathway Induced by Intestinal Flora Changes in EAE Mice(No.GJJ200215)Scientific Research and Development Project of the First Affiliated Hospital of Nanchang University:Effects of Exercise Training on Intestinal Flora of Multiple Sclerosis Model Rats and Its Mechanism(No.YFYPY202021)。
文摘OBJECTIVE:To learn the mechanisms between gut microbiome and the autoimmunity benefits on Traditional Chinese Medicine(TCM)in central nervous system(CNS),we investigated the neuro-protection effects and gut mircobiota changes of Heshouwu(Radix Polygoni Multiflori)on experimental autoimmune encephalomyelitis(EAE),an animal model of multiple sclerosis(MS).METHODS:Mice were randomly divided into four groups:EAE mice(control phosphate-buffered saline group),50 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice,100 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice,and 200 mg·kg^(-1)·d^(-1)Heshouwu(Radix Polygoni Multiflori)-treated EAE mice.The spinal cords were stained with hematoxylin and eosin(HE)and luxol fast blue for evaluating inflammatory infiltration and demyelination.The percentages of granulocyte macrophage-colony stimulating factor(GM-CSF)+CD4+,interleukin 17(IL-17)+CD4+,Foxp3 CD4+,and interferon-γ(IFN-γ)+CD4+T cells in the inguinal lymph nodes(LNs)and brain were determined by flow cytometry analysis.16S rRNA gene sequencing was employed to analyze the changes in gut microbiota.RESULTS:We found that Heshouwu(Radix Polygoni Multiflori)alleviated the disease severity and neuropathology of EAE as evaluated by clinical and histopathologyical scores.Heshouwu(Radix Polygoni Multiflori)increased the diversity and abundance of the gut microbiota,and decreased Firmicutes/Bacteroidetes ratio(F/B ratio).Heshouwu(Radix Polygoni Multiflori)also decreased the concentrations of IL-10,and IL-21 and increase the levels of GM-CSF,IL-17A,IL-17F and IL-22 in serum of EAE mice.Moreover,Heshouwu(Radix Polygoni Multiflori)modulated the T cell responses by inhibiting Th17 cells and restoring Treg cells in the small intestine lymphoid tissues and inguinal lymph nodes.Microbiota-depleted mice receiving Heshouwu(Radix Polygoni Multiflori)-treated fecal microbiota transplantation had lower disease severity,neuropathology scores and alleviation of Th17/Treg imbalance compared to ad libitum group.CONCLUSIONS:Our findings suggested that the vital neuro-protection role of Heshouwu(Radix Polygoni Multiflori)(TCM)in immunomodulation effects partly by regulations of gut microbiome.
文摘目的应用网络药理学方法预测何首乌-丹参抗阿尔茨海默病(AD)的作用靶点及相关信号通路,挖掘其抗AD的作用机制。方法通过中药系统药理学技术平台(TCMSP)网站检索何首乌-丹参的活性成分及对应的作用靶点,再通过Drugbank数据库、Dis Ge NET数据库和TTD数据库获得AD的主要致病靶点,采用Cytoscape 3.7.1软件构建药物活性成分-靶点网络图,利用STRING数据库构建蛋白与蛋白相互作用网络,然后运用生物信息学的方法对关键靶点进行基因功能分析和通路富集分析,最后采用MTT法、ELISA法、比色法和实时荧光定量PCR法对网络药理学主要预测的生物过程与信号通路进行验证。结果研究共筛选出何首乌-丹参药对的有效成分24个,对应靶点274个,与AD相关靶点共107个,相关信号通路前10条,GO分析相关度前20个靶点分子功能。细胞实验证实了何首乌-丹参能有效提高PC12细胞的细胞存活率及抑制PC12细胞的炎症反应和氧化应激反应,并促进Nrf2/HO-1信号通路的激活。结论何首乌-丹参主要是通过抗炎和抗氧化应激对AD产生重要的治疗作用,为后续临床治疗AD提供新的思路。
