Blood-Glucose-Lowering Effect of Extracts From Different Origins Gut Microbiota Modulation in Mice

Overview

Journal Front Pharmacol

Date 2021 Jul 2

PMID 34211397

Citations 20

Authors

Yuanfeng Lyu

Lin Lin

Yuning Xie

Dan Li

Min Xiao

Yufeng Zhang

Stanley Chun Kai Cheung

Pang Chui Shaw

Xiao Yang

Paul Kay Sheung Chan

Alice Pik Shan Kong

Zhong Zuo

Affiliations

Soon will be listed here.

Abstract

extracts (CREs) have been used widely for their anti-diabetic and anti-microbial activities, and berberine/jatrorrhizine/coptisine/palmatine are the primary bioactive components. Although guidelines have adopted content analyses of these components as a quality control method for CREs, it is difficult to differentiate the CREs from different sources using this method because of the lack of indications for their related pharmacological activities. To explore the effect of CREs (CREA/CREB/CREC) with different compositions of major components on the gut microbiota and blood glucose levels in d mice. Degradation of berberine/jatrorrhizine/coptisine/palmatine from CREA/CREB/CREC in rat/mouse intestinal contents and their impact on nine common gastrointestinal bacteria were investigated. In addition, the effects of oral administration of CREA/CREB/CREC for 2 weeks on the gut microbiota and blood glucose levels in d mice were monitored insulin/glucose tolerance test (ITT/GTT), insulin concentration, homeostatic model assessment of insulin resistance and fecal 16S rRNA sequencing. The total amount of berberine/jatrorrhizine/coptisine/palmatine was highest in CREA. was strongly inhibited by all three CREs, with CREA demonstrating the most significant inhibitory effects on minimum inhibitory concentration, time-kill kinetics, and ATP production. In d mice, CREA resulted in the most significant decrease in ITT/GTT and depicted different changes in the microbiota from CREB/CREC. Thus, CREs with different compositions of berberine/jatrorrhizine/coptisine/palmatine differed in terms of time-kill kinetics and ATP production assays on . CREA revealed the potent bacterial inhibitory effects and glucose-lowering activity.

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