中国中药杂志

2021, v.46(02) 426-435

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丹参对糖尿病肾损伤大鼠肠道菌群多样性的影响
Effect of Salviae Miltiorrhizae Radix et Rhizoma on diversity of intestinal flora in diabetic nephropathy rats

蔡红蝶;宿树兰;郭建明;段金廒;
CAI Hong-die;SU Shu-lan;GUO Jian-ming;DUAN Jin-ao;Zhejiang Medical College;Nanjing University of Traditional Chinese Medicine;

摘要(Abstract):

该研究旨在评价丹参根与根茎和茎叶对糖尿病肾损伤大鼠肠道菌群多样性的影响。采用高糖高脂饲料、5%葡萄糖水、30 mg·kg~(-1)链脲佐菌素(streptozocin,STZ)腹腔注射建立糖尿病肾损伤模型,随机分组:正常组,模型组,厄贝沙坦对照组,黄葵胶囊对照组,丹参根与根茎及丹参茎叶低、中、高剂量给药组。给药2周后,收集各组大鼠粪便,采用16S rRNA技术分析粪便中肠道菌群的多样性。结果发现,模型组肾小管上皮空泡变性、肾间质大量炎细胞浸润,各给药组可见少量炎细胞浸润,厄贝沙坦组、黄葵胶囊组、丹参根与根茎水提物高剂量组及丹参根与根茎醇提物高剂量组大鼠肾脏结构接近正常组。模型组肠道菌群多样性及结构与正常组存在显著差异,各组药物能在一定程度上改善糖尿病肾损伤大鼠粪便菌群多样性,以丹参根与根茎水提物高剂量组最为明显。糖尿病肾损伤模型组大鼠粪便中纲、目、科、属分类水平上均发现差异菌群。在科及属分类的菌群中,双歧杆菌属、Turicibacter、消化链球菌科、脱硫弧菌属、SMB53在糖尿病肾损伤模型组呈现上调趋势,乳酸杆菌属、梭菌属、理研菌科、瘤胃菌科在模型组呈现下调趋势。各组药物能不同程度地改善以上肠道菌群在模型组中的相对丰度。该实验研究结果为丹参的资源化利用及进一步开发提供了有利的依据。
This study aimed to explore the effect of Salviae Miltiorrhizae Radix et Rhizoma, its stems and leaves on the diversity of intestinal microflora in rats with diabetic kidney injury. Diabetic rats model was established by feeding high glucose and high fat diet and 5% glucose solution with intraperitoneal injection of 30 mg·kg~(-1) streptozocin(STZ). The rats were randomly divided into normal group, model group, irbesartan control group, Huangkui Capsules control group, as well as low, middle and high dose groups of Sal-viae Miltiorrhizae Radix et Rhizoma, its stems and leaves. After administration for 2 weeks, 16 S rRNA technique was used to analyze the diversity of intestinal microflora in the feces of each group. The results showed rats in the model group developed renal tubular epithelial vacuole degeneration and a large amount of inflammatory cell infiltration in the renal interstitium. A small amount of inflammatory cell infiltration was seen in each administration group. The kidney structure of rats in irbesartan group, Huangkui Capsules group, high-dose group of Salviae Miltiorrhizae Radix et Rhizoma and its stem water extract, as well as high dose group of Salviae Miltiorrhizae Radix et Rhizoma and its stem ethnol extract group was close to the normal group. The diversity and structure of intestinal flora in the model group were significantly different from those in the normal group. Each administration group improved the fecal flora diversity in rats with diabetic kidney injury to a certain extent, especially the high dose of Salviae Miltiorrhizae Radix et Rhizoma and its stems water extract. Different flora were found in feces of diabetic nephropathy model rats on class, order, family and genus levels. On families and genera levels, the relative abundance of Bifidobacterium, Turicibacter, Peptostreptococcaceae, Desulfovibrio, and SMB53 showed an upward trend in model group, but that of Lactobacillus, Clostridium, Rikenella, Rumen fungi showed a downward trend. The administration groups can improve the relative abundance of the above intestinal flora in the model rats to a normal-like level. The results of this study provide a reference for resource utilization and further development of Salviae Miltiorrhizae Radix et Rhizoma.

关键词(KeyWords): 唇形科;丹参;糖尿病肾损伤;肠道菌群;16S rRNA技术
Labiatae;Salviae Miltiorrhizae Radix et Rhizoma;diabetic kidney injury;intestinal microflora;16S rRNA technology

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(81803688,81973708)

作者(Author): 蔡红蝶;宿树兰;郭建明;段金廒;
CAI Hong-die;SU Shu-lan;GUO Jian-ming;DUAN Jin-ao;Zhejiang Medical College;Nanjing University of Traditional Chinese Medicine;

Email:

DOI: 10.19540/j.cnki.cjcmm.20200723.402

参考文献(References):

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