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Autophagy in bone homeostasis and the onset of osteoporosis.


ABSTRACT: Autophagy is an evolutionarily conserved intracellular process, in which domestic cellular components are selectively digested for the recycling of nutrients and energy. This process is indispensable for cell homeostasis maintenance and stress responses. Both genetic and functional studies have demonstrated that multiple proteins involved in autophagic activities are critical to the survival, differentiation, and functioning of bone cells, including osteoblasts, osteocytes, and osteoclasts. Dysregulation at the level of autophagic activity consequently disturbs the balance between bone formation and bone resorption and mediates the onset and progression of multiple bone diseases, including osteoporosis. This review aims to introduce the topic of autophagy, summarize the understanding of its relevance in bone physiology, and discuss its role in the onset of osteoporosis and therapeutic potential.

SUBMITTER: Yin X 

PROVIDER: S-EPMC6804951 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Autophagy in bone homeostasis and the onset of osteoporosis.

Yin Xing X   Zhou Chenchen C   Li Jingtao J   Liu Renkai R   Shi Bing B   Yuan Quan Q   Zou Shujuan S  

Bone research 20191003


Autophagy is an evolutionarily conserved intracellular process, in which domestic cellular components are selectively digested for the recycling of nutrients and energy. This process is indispensable for cell homeostasis maintenance and stress responses. Both genetic and functional studies have demonstrated that multiple proteins involved in autophagic activities are critical to the survival, differentiation, and functioning of bone cells, including osteoblasts, osteocytes, and osteoclasts. Dysr  ...[more]

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