Creation of Straight-Chain Cationic Polysaccharide-Based Bile Salt Sequestrants Made from Euglenoid β-1,3-Glucan as Potential Antidiabetic Agents.

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Creation of Straight-Chain Cationic Polysaccharide-Based Bile Salt Sequestrants Made from Euglenoid β-1,3-Glucan as Potential Antidiabetic Agents.

Pharm Res. 2018 Dec 06;36(1):23

Authors: Shibakami M, Shibata K, Akashi A, Onaka N, Takezaki J, Tsubouchi G, Yoshikawa H

Abstract
PURPOSE: Straight-chain polysaccharides have a greater potential of selectively adsorbing hydrophobic bile salts than resin-based bile salt sequesters because of ionic and hydrophobic interactions; hence, they may possess antidiabetic activity. The feasibility of using cationic polysaccharides made from euglenoid β-1,3-glucan (referred to as paramylon) as potential antidiabetic agents was examined by using in vitro and animal experiments.
METHODS: Cationic straight-chain polysaccharides were synthesized from euglenoid polysaccharide and glycidyltrimethylammonium chloride. The effects of administration of the synthetic polysaccharide on metabolic syndrome-related indicators were examined in high-fat diet-induced obesity mice. The degree of adsorption of bile salts by the polysaccharides was evaluated using spectroscopic analysis.
RESULTS: Administration of the cationic paramylon derivatives significantly reduced body and mesenteric fat weight in high-fat diet-induced obesity mice. A noteworthy effect was that glucagon-like peptide-1 (GLP-1) secretion was approximately three times higher in diet-induced obesity mice receiving cationic paramylon derivatives than in those receiving cellulose as a control.
CONCLUSIONS: Our results indicate that these cationic paramylon derivatives are potential GLP-1 secretagogues suitable for further study.

PMID: 30523487 [PubMed - in process]

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