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金柚提取物对雌激素受体调节作用的研究 被引量:1

Effect of extracts from golden-pomelo on the activity of estrogen receptors
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摘要 目的研究金柚提取物对雌激素受体(ER)的调节作用,并鉴定其功效成分。方法利用哺乳动物报告基因系统检测金柚总提取物及高效液相色谱(HPLC)分离的单一化学成分对ERα和ERβ的调节作用。通过与标准品的紫外可见吸收光谱及HPLC图谱鉴定其活性成分,并与雌二醇、染料木苷等ER激活剂比较活性。结果金柚提取物能特异性激活ERβ,对ERα无影响,活性成分主要为柚皮素和柚皮苷(部分激活剂),与雌二醇、染料木苷活性比较:雌二醇>染料木苷>柚皮素>柚皮苷。结论金柚含有ERβ特异性激活成分,能用作ERβ相关的药物治疗及保健品。 Objective To study the effects of extracts from golden-pomelo ( Citrus grandis L .) on estrogen receptors ( ERs) and i-dentify the active constitutents .Methods The estrogenic activities of the extracts and HPLC isolated fractions were evaluated by the mamma -lian cell hybrid technology .The active constitutents had been identified by comparing with the UV-absorption spectrum and HPLC results of the standard substance .Their estrogenic activities were compared with that of estradiol and genistein .Results The extracts from golden-pomelo selectively were increased the activity of ERβwithout effecting on ERα.Naringin and naringenin were identified as two ERβagonists in the extracts.The relative estrogenic potency of the substances was estradiol>genistein>naringenin>naringin.Conclusions Golden-pomelo have the active constitutents for ERβand is promising in the related therapeutics and health care products .
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第12期3373-3375,共3页 Chinese Journal of Gerontology
基金 国家自然科学基金资助项目(39820229)
关键词 金柚 哺乳动物报告基因 雌激素受体 柚皮素 柚皮苷 Golden-pomelo Gene reporter system Estrogen receptor Naringenin Naringin
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