mTOR signaling in skeletal development and disease.

mTOR signaling in skeletal development and disease.
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骨骼发育和疾病中的 mTOR 信号传导

DOI:
10.1038/s41413-017-0004-5
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发表时间:
2018
期刊:
影响因子:
12.7
通讯作者:
Long F
Long F
中科院分区:
医学1区
文献类型:
--
作者:
Chen J;Long F

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雷帕霉素(mTOR)的哺乳动物/机械靶点是一种丝氨酸/苏氨酸蛋白激酶,它整合了营养素和生长因子的输入,通过两种不同的蛋白复合物mTORC 1和mTORC 2控制许多基本的细胞过程。最近的小鼠遗传研究已经确定,mTOR途径在调节骨骼发育和体内平衡的多个方面发挥着重要作用。此外,mTORC 1已成为介导Igf 1、Wnt和Bmp的骨合成代谢作用的常见效应物。mTORC 1的失调可能导致各种骨骼疾病,包括骨关节炎和骨质疏松症。在这里,我们回顾了目前的理解mTOR信号在骨骼发育和骨稳态,以及在关节软骨的维护。我们推测靶向mTOR信号传导可能是治疗骨骼疾病的一种有价值的方法。
The mammalian/mechanistic target of rapamycin (mTOR) is a serine/threonine protein kinase that integrates inputs from nutrients and growth factors to control many fundamental cellular processes through two distinct protein complexes mTORC1 and mTORC2. Recent mouse genetic studies have established that mTOR pathways play important roles in regulating multiple aspects of skeletal development and homeostasis. In addition, mTORC1 has emerged as a common effector mediating the bone anabolic effect of Igf1, Wnt and Bmp. Dysregulation of mTORC1 could contribute to various skeletal diseases including osteoarthritis and osteoporosis. Here we review the current understanding of mTOR signaling in skeletal development and bone homeostasis, as well as in the maintenance of articular cartilage. We speculate that targeting mTOR signaling may be a valuable approach for treating skeletal diseases.
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