Osteocyte apoptosis.
Osteocyte apoptosis.
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DOI:
10.1016/j.bone.2012.11.038
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发表时间:
2013-06
期刊:
影响因子:
4.1
通讯作者:
Weinstein RS
中科院分区:
文献类型:
--
作者:
Jilka RL;Noble B;Weinstein RS
Apoptotic death of osteocytes was recognized over 15 years ago, but its significance for bone homeostasis has remained elusive. A new paradigm has emerged that invokes osteocyte apoptosis as a critical event in the recruitment of osteoclasts to a specific site in response to skeletal unloading, fatigue damage, estrogen deficiency and perhaps in other states where bone must be removed. This is accomplished by yet to be defined signals emanating from dying osteocytes, which stimulate neighboring viable osteocytes to produce osteoclastogenic cytokines. The osteocyte apoptosis caused by chronic glucocorticoid administration does not increase osteoclasts; however, it does negatively impact maintenance of bone hydration, vascularity, and strength.
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影响因子:
4
作者:
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通讯作者:
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影响因子:
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