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Updated: May 12, 2025

A Lab-On-A-Chip Platform for Stimulating Osteocyte Mechanotransduction and Analyzing Functional Outcomes of Bone Remodeling
Published on: May 21, 2020
The bone-muscle unit: from mechanical coupling to soluble factors-mediated signaling
Amir Mohammad Malvandi1, Laura Gerosa1, Giuseppe Banfi2
1Laboratory of Experimental Biochemistry & Advanced Diagnostics, IRCCS Ospedale Galeazzi-Sant'Ambrogio, Milan, Italy.
None:
Skeletal muscles (SKM) and bones form a morpho-functional unit, interconnected throughout life primarily through biomechanical coupling. This relationship serves as a key reciprocal stimulus, but they also interact via various hormones, such as sex steroids, growth hormone-insulin-like growth factor 1 (GH-IGF1) axis hormones, and adipokines like leptin and adiponectin. Additionally, myokines (released by muscles) and osteokines (released by bones) facilitate dense crosstalk, influencing each other's activity. Key myokines include interleukin (IL)-6, IL-7, IL-15, and myostatin, while osteocalcin (OC) and sclerostin are crucial bone-derived mediators affecting SKM cells. Moreover, miRNAs act as endocrine-like regulators, contributing to a complex network. This review covers the current understanding of bone-muscle crosstalk, which is essential for grasping the musculoskeletal apparatus's role in disease pathogenesis and may inform therapeutic development.
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