期刊
MOLECULAR MEDICINE REPORTS
卷 15, 期 6, 页码 4077-4083出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2017.6488
关键词
Astragalus membranaceus; polysaccharide; wound healing
In the present study, a novel polysaccharide, APS2-1, was isolated and purified from Astragalus membranaceus using DEAE-cellulose and Sephadex G-100 chromatography. The effect of APS2-1 on the promotion of wound healing was evaluated and its preliminary mechanism was investigated. In vitro experiments showed that APS2-1 was able to promote human skin fibroblast (HSF) propagation and accelerate cell cycle progression. For further examination, a scalded mice model was used to verify the effect of APS2-1 and investigate its mechanism of action. The analysis of biochemical parameters, including cyclin D1, inhibitor of nuclear factor kappa B alpha (I kappa B alpha), transforming growth factor (TGF) -beta 1, basic fibroblast growth factor (bFGF) and epidermal growth factor (EGF) showed that APS2-1 inhibited the increase in cyclin D1 and I kappa B alpha, and promoted the expression of TGF-beta 1, bFGF and EGF, which was further confirmed by histopathological observation. These results suggested that APS2-1 possessed high potential in wound healing and its mechanism was associated with inhibiting inflammation, accelerating cell cycle and promoting the secretion of repair factors.
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