Dehydroepiandrosterone-sulfate (DHEAS) promotes MIN6 cells insulin secretion via inhibition of AMP-activated protein kinase.

Dehydroepiandrosterone-sulfate (DHEAS) promotes MIN6 cells insulin secretion via inhibition of AMP-activated protein kinase.
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硫酸脱氢表雄酮 (DHEAS) 通过抑制 AMP 激活的蛋白激酶促进 MIN6 细胞胰岛素分泌。

DOI:
10.1016/j.bbrc.2013.10.002
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发表时间:
2013-11
期刊:
Biochem Biophys Res Commun.
影响因子:
--
通讯作者:
Yue J, Wang L, Huang R, Li S, Ma J, Teng X, Liu W
Yue J, Wang L, Huang R, Li S, Ma J, Teng X, Liu W
中科院分区:
其他
文献类型:
--
作者:
Yue J, Wang L, Huang R, Li S, Ma J, Teng X, Liu W

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脱氢表雄酮硫酸酯(DHEAS)来源于肾上腺皮质,是雄激素和雌激素的前体,具有多种生物活性。虽然具有抗糖尿病的特性,但DHEAS对β细胞胰岛素分泌的长期影响尚不清楚。本研究考察了DHEAS对体外培养MIN6细胞株胰岛素分泌活性的影响。DHEAS刺激胰岛素生物合成和分泌24 h, DHEAS抑制AMPK的激活,上调ACC-1的表达。这些发现表明DHEAS可能部分通过抑制AMPK和上调ACC-1对胰岛素分泌产生显著的刺激作用。
Derived from adrenal cortical, dehydroepiandrosterone-sulfate (DHEAS) is a precursor to androgens and estrogens, with various bioactivities. Although it has the property of anti-diabetes, the long-term effect of DHEAS on insulin secretion in beta-cells is still unclear. In this study, the effect of DHEAS on the insulin secretion activity in MIN6 cell lines in vitro was assessed. Insulin biosynthesis and secretion were stimulated by DHEAS for 24 h. DHEAS inhibited the AMPK activation and upregulated the expression of ACC-1. These findings indicate that DHEAS may exert prominent stimulatory effects on insulin secretion partly via AMPK inhibition and ACC-1 upregulation.
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