Question

Studies suggest that vitamin d enhances anti-microbial and anti-bacterial activity of white blood cells.

Answer 1

1. Vit D modulates innate and adaptive immune responses.
2. Vit D receptors are present on B/T-cells and APCs.
3. Also they are capable to synthesize active form of Vit D.
4. This can act in an autocrine manner on WBCs.
5. Vit. D (deficiency) has roles in development of autoimmunity and susceptibility to infections.