Reduction of leptin secretion by soy isoflavonoids in murine adipocytes in vitro

Reduction of leptin secretion by soy isoflavonoids in murine adipocytes in vitro
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大豆异黄酮在体外减少小鼠脂肪细胞瘦素分泌

DOI:
10.1016/j.phytol.2010.04.001
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发表时间:
2010
期刊:
Phytochem. Lett
影响因子:
--
通讯作者:
大澤俊彦
大澤俊彦
中科院分区:
--
文献类型:
--
作者:
丹羽利夫;大澤俊彦

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大豆黄素和染料木素是大豆异黄酮的主要苷元,在体内和体外都有许多有益的活性。然而,大豆黄酮在体内的代谢物马酚因其比天然存在的异黄酮具有更强的活性而引起了人们的关注。我们将大豆异黄酮(包括自然产生的(S)-雌马酚)作用于小鼠脂肪细胞,并比较其对瘦素分泌的抑制活性。雌马酚、大豆黄酮和染料木素抑制瘦素的分泌,o -去甲基氨脂素的活性较低。异黄酮的抑制活性不受添加iNOS抑制剂和雌激素的影响。
Daidzein and genistein are the main aglycones of soy isoflavonoid, and have many useful activities in vitro and in vivo. However, equol, a metabolite of daidzein in vivo, has attracted attention due to its stronger activity than that of the naturally occurring isoflavonoids. We subjected the soy isoflavonoids, including the naturally occurring (S)-equol, to mouse adipocytes, and compared the inhibitory activity on the leptin secretion. Equol, daidzein and genistein inhibited the leptin secretion, whereas O-desmethylangolensin had a lower activity. The inhibitory activity of the isoflavones was not affected by the addition of an iNOS inhibitor and an estrogen.
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