期刊
CALCIFIED TISSUE INTERNATIONAL
卷 113, 期 1, 页码 39-47出版社
SPRINGER
DOI: 10.1007/s00223-023-01091-2
关键词
Osteoblast; Osteoclast; Osteocyte; Endocrine actions
Bone is an important dynamic tissue that influences bone mass and skeletal complications through the activity of bone-forming and bone-resorbing cells. The interaction among bone cells occurs through direct contact and secreted molecules, which can also have effects in other tissues and organs. Bone cell products have been associated with the establishment and progression of diseases, including cancer and muscle weakness.
Bone is a highly dynamic tissue, and the constant actions of bone-forming and bone-resorbing cells are responsible for attaining peak bone mass, maintaining bone mass in the adults, and the subsequent bone loss with aging and menopause, as well as skeletal complications of diseases and drug side-effects. It is now accepted that the generation and activity of bone-forming osteoblasts and bone-resorbing osteoclasts is modulated by osteocytes, osteoblast-derived cells embedded in the bone matrix. The interaction among bone cells occurs through direct contact and via secreted molecules. In addition to the regulation of bone cell function, molecules released by these cells are also able to reach the circulation and have effects in other tissues and organs in healthy individuals. Moreover, bone cell products have also been associated with the establishment or progression of diseases, including cancer and muscle weakness. In this review, we will discuss the role of bone as an endocrine organ, and the effect of selected, osteoblast-, osteocyte-, and osteoclast-secreted molecules on other tissues.
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