Wuhan University Jun 26 2026 Reviewed New study identifies CAR3 as a key osteoblast protein promoting collagen mineralization, bone formation, and skeletal regeneration. The skeletal system forms the structural framework of the body, with bones providing support, protection, and mobility. Bone tissue is primarily composed of collagen, minerals such as calcium, and specialized non-collagenous proteins that together provide strength and flexibility. Bone health is maintained through the