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KMID : 1005220090240040237
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Journal of Embryo Transfer
2009 Volume.24 No. 4 p.237 ~ p.247
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Melatonin-induced Calbindin-D9k is Involved in Protecting Cells against Conditions That Cause Cell Death
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Yoo Yeong-Min
Jeung Eui-Bae
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Abstract
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Melatonin (N-acetyl-5-methoxytryptamine) is the major neurohormone secreted during the night by the vertebrate pineal gland. The circadian pattern of pineal melatonin secretion is related to the biological clock within the suprachiasmatic nucleus (SCN) of the hypothalamus in mammals. The SCN coordinates the body’s rhythms to the environmental light-dark cycle in response to light perceived by the retina, which acts mainly on retinal ganglion cells that contain the photopigment melanopsin. Calbindin-D9k (CaBP-9k) is a member of the S100 family of intracellular calcium- binding proteins, and in this review, we discuss the involvement of melatonin and CaBP-9k with respect to calcium homeostasis and apoptotic cell death. In future studies, we hope to provide important information on the roles played by CaBP-9k in cell signal transduction, cell proliferation, and homeostasis in vivo and in vitro.
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KEYWORD
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Calbindin-D9k, Melatonin, Apoptosis, Ca2+ homeostasis
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