Vitamin D Attenuates Kidney Fibrosis via Reducing Fibroblast Expansion, Inflammation, and Epithelial Cell Apoptosis.

Kidney fibrosis is the common final pathway of chronic kidney diseases (CKD). It is characterized by myofibroblast formation, inflammation, and epithelial architecture damage. Vitamin D is known as a renoprotective agent, although the precise mechanism is not well understood.