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1.上海中医药大学,上海 201203
2.海军军医大学 第一附属医院(上海长海医院),上海 200433
Received:17 November 2020,
Published Online:26 February 2021,
Published:05 May 2021
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赵倩倩,倪喆鑫,毕艳丽等.化瘀解毒方改善子宫内膜异位症小鼠肠道菌群及粪便代谢组[J].中国实验方剂学杂志,2021,27(09):202-214.
ZHAO Qian-qian,NI Zhe-xin,BI Yan-li,et al.Huayu Jiedu Prescription Alleviates Gut Microbiota and Fecal Metabolites in Mice with Endometriosis[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(09):202-214.
赵倩倩,倪喆鑫,毕艳丽等.化瘀解毒方改善子宫内膜异位症小鼠肠道菌群及粪便代谢组[J].中国实验方剂学杂志,2021,27(09):202-214. DOI: 10.13422/j.cnki.syfjx.20210501.
ZHAO Qian-qian,NI Zhe-xin,BI Yan-li,et al.Huayu Jiedu Prescription Alleviates Gut Microbiota and Fecal Metabolites in Mice with Endometriosis[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(09):202-214. DOI: 10.13422/j.cnki.syfjx.20210501.
目的
2
探讨化瘀解毒方(HYJDP)对子宫内膜异位症模型小鼠肠道菌群、粪便代谢物和异位病灶的影响。
方法
2
将正常雌性C57BL/6J小鼠分为正常组(CO),子宫内膜异位症组(EM),化瘀解毒方组(CM),CO和EM组予生理盐水灌胃,CM组予HYJDP汤药灌胃。采用非靶向代谢组学检测小鼠粪便上清中代谢物,运用接受者操作特性曲线(ROC)分析筛选重要差异代谢物;采用16S rRNA高通量测序方法检测小鼠肠道菌群结构,并用Spearman相关系数表示差异代谢物与肠道菌群之间关联程度;酶联免疫吸附测定(ELISA)检测小鼠肠壁组织、血清及腹腔液中脂多糖(LPS)含量;运用免疫组化检测异位病灶中波形蛋白(Vimentin)和钙黏蛋白(E-cadherin)表达情况。
结果
2
HYJFD能够恢复子宫内膜异位症小鼠肠道菌群紊乱代谢物水平,以homoveratric acid,melilotoside C和physapubescin 3种代谢物水平恢复为特征,homoveratric acid,melilotoside C和physapubescin EM分别与CO,CM比较时变量权重值(VIP)值均超过2且ROC分析中AUC值均
>
0.9。与EM组比较,HYJDP能够恢复子宫内膜异位症小鼠肠道菌群中
Lachnospiraceae_NK4A136_group,Lactobacillus,Blautia
等物种丰度(
P
<
0.05)。EM组腹腔液上清LPS水平明显高于CO组(
P
<
0.05),并明显高于CM组(
P
<
0.05)。子宫内膜异位灶Vimentin 和E-cadherin蛋白表达显著降低(
P
<
0.05)。
结论
2
HYJFD能够改善子宫内膜异位症小鼠肠道内环境,降低体内LPS水平,减轻异位灶纤维化,是治疗子宫内膜异位症的有效药物。
Objective
2
To investigate the effect of Huayu Jiedu prescription (HYJDP) on gut microbiota and fecal metabolites in mice with endometriosis.
Method
2
Normal female C57BL/6J mice were divided into normal control group (CO), endometriosis group (EM) and Chinese medicine Huayu Jiedu decocotion group (CM). CO and EM groups received normal saline and CM group received HYJDP by intragastric administration. Untargeted metabolomics method was used to detect metabolites in fecal supernatant of mice, and receiver operating characteristic (ROC) analysis was used to screen the differential metabolites, 16S rRNA high-throughput sequencing was used to detect the gut microbiota, and Spearman correlation coefficient was used to represent the degree of correlation between differential metabolites and intestinal flora. Lipopolysaccharides (LPSs) in intestinal wall tissue, serum and peritoneal lavage fluid were detected by enzyme-linked immunosorbent assay (ELISA). The expression of Vimentin and E-cadherin in ectopic lesions was detected by immunohistochemistry.
Result
2
HYJDP alleviated the disorders of fecal metabolites and gut microbiota in EMS mice, especially with the recovered levels of homoveratric acid, melilotoside C and physapubescin in fecal supernatant. In the comparison of these three factors between EM group and CO group as well as between EM group and CM group, the variable important in projection (VIP) value was both above 2, and AUC in ROC analysis was both
>
0.9. As compared with EM group, HYJDP restored the abundance of species such as
Lachnospiraceae_NK4A136_group
,
Lactobacillus
and
Blautia
(
P
<
0.05). In addition, the level of LPS in peritoneal fluid supernatant of EM group was significantly higher than that of CO group (
P
<
0.05) and CM group (
P
<
0.05). The protein expression of vimentin and E-cadherin in endometriosis decreased significantly (
P
<
0.05).
Conclusion
2
HYJDP which can improve the intestinal environment and reduce the level of LPS in mice with endometriosis, is an effective drug for the treatment of endometriosis.
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