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Glucocorticoid and Bone. The inhibition of osteoblast differentiation and induction of osteocyte apoptosis through the regulation of Bcl-2 by glucocorticoids. Moriishi Takeshi 1 , Komori Toshihisa 2 1Department of Cell Biology, Unit of Basic Medical Sciences,Nagasaki University Graduate School of Biomedical Sciences, Japan. 2Department of Cell Biology, Unit of Basic Medical Sciences,Nagasaki University Graduate School of Biomedical Sciences, Japan. pp.1329-1336
Published Date 2014/8/28
DOI https://doi.org/10.20837/4201409051
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 Glucocorticoid-induced osteoporosis is caused by the inhibition of osteoblast differentiation and induction of osteoblast and osteocyte apoptosis. Glucocorticoids inhibit osteoblast differentiation by reducing the expression of Wnt signaling proteins, osteocalcin, and AP-1. Further, glucocorticoids induce osteoblast and osteocyte apoptosis by regulating the expression of Bcl-2 family proteins. Apoptotic signaling enhances osteoblast differentiation, at least in part, through FoxO. However, FoxO is also likely to be involved in the inhibition of osteoblast differentiation by glucocorticoids.



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電子版ISSN 印刷版ISSN 0917-5857 医薬ジャーナル社

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