Anemarrhena asphodeloides modulates gut microbiota and restores pancreatic function in diabetic rats.

Anemarrhena asphodeloides modulates gut microbiota and restores pancreatic function in diabetic rats.
复制标题

知母可调节糖尿病大鼠的肠道微生物群并恢复胰腺功能。

DOI:
10.1016/j.biopha.2020.110954
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发表时间:
2021-01
期刊:
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
影响因子:
--
通讯作者:
Baiping Ma
Baiping Ma
中科院分区:
其他
文献类型:
--
作者:
Dong Yan;Peng-Cheng Fan;Wenlong Sun;Qianzhi Ding;Wei Zheng;Weidi Xiao;Bowei Zhang;Tao Zhang;Jiahui Shi;Xiaojuan Chen;Peiru Chen;Jie Zhang;Ying Hao;Xinguang Sun;Xu Pang;Yuesheng Dong;Ping Xu;Li-Yan Yu;Baiping Ma

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麻风是一种中药,广泛用于治疗糖尿病相关症状。然而,其关键成分和代谢物生物利用度低,宿主吸收差。目的:阐明a的抗糖尿病作用机制。我们研究了黄芪提取物(AAE)对高脂饮食和链脲佐菌素诱导的糖尿病大鼠的抗糖尿病作用。粪便中AAE主要成分及代谢物含量显著高于血浆,提示肠道菌群可能在其抗糖尿病作用中发挥重要作用。微生物学研究表明,未被吸收的成分增加了肠道微生物群的多样性,丰富了潜在的有益细菌,抑制了潜在的有害细菌。体外研究表明,AAE促进蓝囊菌(blautia cocides)的增殖,这是一种对糖尿病有积极影响的细菌,并呈剂量依赖性。AAE通过过表达aperoxiredoxin 4促进胰腺细胞再生,恢复胰岛细胞功能。总的来说,这些结果表明AAE通过调节肠道微生物群和蛋白质表达来缓解糖尿病。
Anemarrhena asphodeloidesis an herb widely used to treat symptoms associated with diabetes in traditional Chinese medicine. However, its key components and metabolites have low bioavailability and poor host absorption. To clarify the anti-diabetic mechanism ofA. asphodeloidesextract (AAE), we examined the anti-diabetic effects of AAE in rats with diabetes induced by a high-fat diet and streptozotocin. Faeces levels of the main components and metabolites of AAE were significantly higher than levels in plasma, which indicated that gut microbiota might play important roles in its anti-diabetic effect. Microbiological studies showed that unabsorbed components increased the diversity of the gut microbiota, enriched potentially beneficial bacteria, and suppressed potentially harmful bacteria.In vitrostudies showed that AAE promoted the proliferation ofBlautia coccoides, a bacterium with positive implication for diabetes, in a dose-dependent manner. AAE also promoted pancreatic cell regeneration and restored the function of pancreatic islet cellsviaperoxiredoxin 4 overexpression. Overall, these results suggest that AAE alleviates diabetesviamodulating gut microbiota and protein expression.
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