期刊
CARBOHYDRATE POLYMERS
卷 97, 期 2, 页码 716-724出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2013.05.054
关键词
Lipopolysaccharide; Endotoxin; Blood platelets; (1 -> 3)-beta-D-Glucan; TLR-4
资金
- University of Lodz [506/810]
LPS (lipopolysaccharide) induces platelet activation and is a well-known fundamental agent of septic shock and disseminated intravascular coagulation (DIG). Biological activity of (1 -> 3)-beta-D-glucan is related due to its anti-inflammatory, antioxidant, and antitumor properties. We focus our attention on the (1 -> 3)-beta-D-glucan (antiplatelet) properties. The main purpose of our study was to evaluate the influence of (1 -> 3)-beta-D-glucan from Saccharomyces cerevisiae on destructive activity of LPS (from Escherichia coli and Pseudomonas aeruginosa) on human blood platelets. We assess biochemically in vitro if (1 -> 3)-beta-D-glucan might combat the oxidative stress caused by LPS stroke associated with nitrative and oxidative damages of human platelet biomolecules. We also make an attempt by in silico molecular docking to determine the interactions between the molecules of (1 -> 3)-beta-D-glucan and LPS. Our conclusion is that protective mechanism of (1 -> 3)-beta-D-glucan against LPS action on blood platelets is due to as well: its antioxidant properties, as to its interaction with LPS-binding region of TLR4-MD-2 complex. (C) 2013 Elsevier Ltd. All rights reserved.
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