The Beneficial Effects of Two Polysaccharide Fractions from Against Diabetes Mellitus Accompanied by Dyslipidemia in Rats and Their Underlying Mechanisms

Overview

Journal Foods

Specialty Biotechnology

Date 2022 May 28

PMID 35626992

Authors

Rui-Bo Jia

Juan Wu

Donghui Luo

Lianzhu Lin

Chong Chen

Chuqiao Xiao

Mouming Zhao

Affiliations

Soon will be listed here.

Abstract

The current study aimed to assess the anti-diabetic effects and potential mechanisms of two polysaccharide fractions (SFPs, named SFP-1 and SFP-2). The carbohydrate-loading experiment revealed that SFP-2 could control postprandial hyperglycemia by inhibiting the activity of digestive enzymes in rats. The analysis of diabetic symptoms and serum profiles indicated that SFPs could mitigate diabetes accompanied by dyslipidemia, and SFP-2 showed better regulatory effects on body weight, food intake and the levels of total cholesterol (TC), triglycerides (TG), low density lipoprotein-cholesterol (LDL-C) and free fatty acid (FFA) in diabetic rats. Intestinal bacterial analysis showed that SFP treatment could reshape the gut flora of diabetic rats, and SFP-2 possessed a greater regulatory effect on the growth of and than SFP-1. RT-qPCR analysis revealed that SFPs could regulate the genes involved in the absorption and utilization of blood glucose, hepatic glucose production and lipid metabolism, and the effects of SFP-2 on the relative expressions of Protein kinase B (Akt), Glucose-6-phosphatase (G-6-Pase), Glucose transporter 2 (GLUT2), AMP-activated protein kinase- (AMPK), Peroxisome proliferator-activated receptor (PPAR) and Cholesterol 7-alpha hydroxylase (CYP7A1) were greater than SFP-1. All above results indicated that SFPs could be exploited as functional foods or pharmaceutical supplements for the treatment of diabetes and its complications.

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