期刊
CURRENT OSTEOPOROSIS REPORTS
卷 15, 期 1, 页码 18-23出版社
SPRINGER
DOI: 10.1007/s11914-017-0344-5
关键词
Bone; Skeletal muscle; TGF beta; Bone-muscle crosstalk
资金
- NIH [U01CA143057, R21CA205437]
- Susan G. Komen Foundation
- Jerry and Peggy Throgmartin Endowment
- Phi Beta Psi Sorority National Research Project
Purpose of Review The role of bone-derived factors in regulation of skeletal muscle function is an important emerging aspect of research into bone-muscle crosstalk. Implications for this area of research are far reaching and include understanding skeletal muscle weakness in cancer, osteoporosis, cachexia, rare diseases of bone, and aging. Recent Findings Recent research shows that bone-derived factors can lead to changes in the skeletal muscle. These changes can either be anabolic or catabolic, and we focus this review on the role of TGF beta in driving oxidative stress and skeletal muscle weakness in the setting of osteolytic cancer in the bone. Summary The bone is a preferred site for breast cancer metastasis and leads to pathological bone loss. Osteolytic cancer in the bone leads to release of TGF beta from the bone via osteoclast-mediated bone destruction. Our appreciation of crosstalk between the muscle and bone has recently expanded beyond mechanical force-driven events to encompass a variety of signaling factors originating in one tissue and communicating to the other. This review summarizes some previously known mediators of bone-to-muscle signaling and also recent work identifying a new role for bone-derived TGF beta as a cause of skeletal muscle weakness in the setting of osteolytic cancer in the bone. Multiple points of potential therapeutic intervention are discussed.
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