Calcium Receptor and Regulation of Parathyroid Hormone Secretion

被引:63
作者
Brown E.M. [1 ,2 ]
机构
[1] Endocr.-Hypertension Div. Memb. B., Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115
[2] Endocrine-Hypertension Division, Brigham and Women's Hospital, Boston, MA 02115
基金
美国国家卫生研究院;
关键词
Calcium receptor; Parathyroid cell; PTH; Second messengers; Secretion; Signal transduction;
D O I
10.1023/A:1026570518919
中图分类号
学科分类号
摘要
The cloning of the CaR has made it possible to show definitively that the CaR is a critical mediator of the inhibitory effect of high Ca2+ on PTH secretion and parathyroid cellular proliferation. The receptor may also mediate the suppressive action of high Ca2+o on PTH gene expression, while its involvment in several other known actions of Ca2+o on parathyroid function remain to be examined. Alterations in CaR expression and/or function are clearly involved in hyper- and hypocalcemic disorders caused by inactivating or activating CaR mutations, respectively, and could contribute to the deranged Ca2+o-sensing in primary and uremic secondary HPT. Finally, CaR activators offer promise as the first truly effective mode of medical therapy for these latter two conditions.
引用
收藏
页码:307 / 315
页数:8
相关论文
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