Cartilage-specific ablation of site-1 protease in mice results in the endoplasmic reticulum entrapment of type IIb procollagen and down-regulation of cholesterol and lipid homeostasis.

Cartilage-specific ablation of site-1 protease in mice results in the endoplasmic reticulum entrapment of type IIb procollagen and down-regulation of cholesterol and lipid homeostasis.