Marine-Derived Quinolinone CHNQD-00603 Triggers Autophagy via Suppressing the AKT/ERK/mTOR Pathway to Reverse Senescence and Restore Osteogenic Potential in Bone Marrow Mesenchymal Stem Cells

CHNQD-00603 mitigates BMSC senescence and restores osteogenic capacity by activating AKT/ERK/mTOR-mediated autophagy, making it a promising therapeutic candidate for the treatment of age-related skeletal disorders.