TNFRSF11B (Tumor Necrosis Factor Receptor Superfamily Member 11B): TNFRSF11B, also known as osteoprotegerin, is a key regulator of bone metabolism. It acts as a decoy receptor for RANKL, inhibiting osteoclastogenesis and preventing bone resorption. It plays a critical role in bone density and strength, and alterations in its function are linked to osteoporosis and other bone diseases....