Unifying concepts in stimulus-secretion coupling in endocrine cells and some implications for therapeutics.
Unifying concepts in stimulus-secretion coupling in endocrine cells and some implications for therapeutics.
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统一内分泌细胞刺激-分泌耦合的概念以及对治疗的一些影响。
DOI:
10.1152/advan.90213.2008
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发表时间:
2009
影响因子:
2.1
通讯作者:
Misler,Stanley
中科院分区:
文献类型:
--
作者:
Misler,Stanley
Stimulus-secretion coupling (SSC) in endocrine cells remains underappreciated as a subject for the study/teaching of general physiology. In the present article, we review key new electrophysiological, electrochemical, and fluorescence optical techniques for the study of exocytosis in single cells that have made this a fertile area for recent research. Based on findings using these techniques, we developed a model of SSC for adrenal chromaffin cells that blends features of Ca2+entry-dependent SSC (characteristic of neurons) with G protein receptor-coupled, Ca2+release-dependent, and second messenger-dependent SSC (characteristic of epithelial exocrine cells and nucleated blood cells). This model requires two distinct pools of secretory graunules with differing Ca2+sensitivities. We extended this model to account for SSC in a wide variety of peripheral and hypothalamic/pituitary-based endocrine cells. These include osmosensitive magnocellular neurosecretory cells releasing antidiuretic hormone, stretch-sensitive atrial myocytes secreting atrial natriuretic peptide, K+-sensitive adrenal glomerulosa cells secreting aldosterone, Ca2+-sensitive parathyroid chief cells secreting parathyroid hormone, and glucose-sensitive β- and α-cells of pancreatic islets secreting insulin and glucagon, respectively. We conclude this article with implications of this approach for pathophysiology and therapeutics, including defects in chief cell Ca2+sensitivity, resulting in the hyperparathyroidism of renal disease, and defects in biphasic insulin secretion, resulting in diabetes mellitus.
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影响因子:
3.9
作者:
J. Pinxteren;Antony J. O'Sullivan;Karen Y. Larbi;P. Tatham;B. Gomperts
通讯作者:
B. Gomperts
影响因子:
7.7
作者:
Barg, S;Eliasson, L;Rorsman, P
通讯作者:
Rorsman, P
影响因子:
7.7
作者:
J. Gromada;K. Bokvist;W. Ding;J. Holst;J. Nielsen;P. Rorsman
通讯作者:
P. Rorsman
影响因子:
64.8
作者:
OBERHAUSER, AF;MONCK, JR;FERNANDEZ, JM
通讯作者:
FERNANDEZ, JM
影响因子:
64.8
作者:
ARTALEJO, CR;ADAMS, ME;FOX, AP
通讯作者:
FOX, AP