Rapid, membrane-initiated actions of 1,25 dihydroxyvitamin D: What are they and what do they mean?

被引:70
作者
Fleet, JC [1 ]
机构
[1] Purdue Univ, Dept Food & Nutr, W Lafayette, IN 47907 USA
[2] Purdue Univ, Interdept Nutr Program, W Lafayette, IN 47907 USA
关键词
kinase; ion flux; vitamin D;
D O I
10.1093/jn/134.12.3215
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Vitamin D is a conditionally required nutrient traditionally thought to influence physiology as the metabolite 1,25-dihydroxyvitamin D [1,25(OH)(2) D] by binding to the vitamin D receptor (VDR) and stimulating the transcription of genes through direct VDR-DNA interactions. However, over the past 15 y research has demonstrated that 1,25(OH)(2) D, as well as other steroid hormones, can rapidly stimulate ion fluxes and activate protein kinases by transcription-independent mechanisms. This review summarizes recent research on the rapid actions of 1,25(OH)(2) D and identifies questions that remain to be answered in this area.
引用
收藏
页码:3215 / 3218
页数:4
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