期刊
AGEING RESEARCH REVIEWS
卷 62, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.arr.2020.101098
关键词
Autophagy; Bone; Cells; Osteoporosis; Therapy
资金
- Theme-based Research Scheme of Hong Kong [T13-402/17N]
- Health and Medical Research Fund of Hong Kong [17180671]
- National Natural Science Foundation of China [81802152]
- Natural Science Foundation of Guangdong Province [2019A1515012224]
- RGC [C4026-17WF, 14121918, 14173917]
- Innovation and Technology Commission Fund [ITS/208/18FX]
Osteoporosis is a highly prevalent disorder characterized by the loss of bone mass and microarchitecture deterioration of bone tissue, attributed to various factors, including menopause (primary), aging (primary) and adverse effects of relevant medications (secondary). In recent decades, knowledge regarding the etiological mechanisms underpinning osteoporosis emphasizes that bone cellular homeostasis, including the maintenance of cell functions, differentiation, and the response to stress, is tightly regulated by autophagy, which is a cell survival mechanism for eliminating and recycling damaged proteins and organelles. With the important roles in the maintenance of cellular homeostasis and organ function, autophagy has emerged as a potential target for the prevention and treatment of osteoporosis. In this review, we update and discuss the pathophysiology of autophagy in normal bone cell life cycle and metabolism. Then, the alternations of autophagy in primary and secondary osteoporosis, and the accompanied pathological process are discussed. Finally, we discuss current strategies, limitations, and challenges involved in targeting relevant pathways and propose strategies by which such hurdles may be circumvented in the future for their translation into clinical validations and applications for the prevention and treatment of osteoporosis.
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