Fig. 5

A Vitamin D partially reversed the TNF-α induced the apoptosis of nucleus pulposus cells. B Western blot assay to assess the Bcl-2, cleaved caspase-3, p-p65, p-65, IKBa, INOS, and COX-2 expressions
A Vitamin D partially reversed the TNF-α induced the apoptosis of nucleus pulposus cells. B Western blot assay to assess the Bcl-2, cleaved caspase-3, p-p65, p-65, IKBa, INOS, and COX-2 expressions