期刊
AGING CELL
卷 20, 期 2, 页码 -出版社
WILEY
DOI: 10.1111/acel.13301
关键词
aging; bone remodeling; osteoporosis; sirtuins
资金
- General Research Fund, University Grants Committee, HKSAR [14163517, 14120818]
- Health and Medical Research Fund, The Food and Health Bureau, The Government of the Hong Kong Special Adminstrative Region [06170546]
- Chinese University of Hong Kong, HKSAR [4930991]
Sirtuins are a family of deacetylases that promote longevity and counteract age-related diseases, with potential for targeting in the treatment of osteoporosis and other bone disorders. Preclinical studies have shown that activation of sirtuins can protect against age-related osteoporosis and other bone diseases.
The decline in bone mass and bone strength and musculoskeletal problems associated with aging constitute a major challenge for affected individuals and the healthcare system globally. Sirtuins 1-7 (SIRT1-SIRT7) are a family of nicotinamide adenine dinucleotide-dependent deacetylases with remarkable abilities to promote longevity and counteract age-related diseases. Sirtuin knockout and transgenic models have provided novel insights into the function and signaling of these proteins in bone homeostasis. Studies have revealed that sirtuins play a critical role in normal skeletal development and homeostasis through their direct action on bone cells and that their dysregulation might contribute to different bone diseases. Preclinical studies have demonstrated that mice treated with sirtuin agonists show protection against age-related, postmenopausal, and immobilization-induced osteoporosis. These findings suggest that sirtuins could be potential targets for the modulation of the imbalance in bone remodeling and treatment of osteoporosis and other bone disorders. The aim of this review was to provide a comprehensive updated review of the current knowledge on sirtuin biology, focusing specifically on their roles in bone homeostasis and osteoporosis, and potential pharmacological interventions targeting sirtuins for the treatment of osteoporosis.
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