Current rheumatology reports
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Vitamin D deficiency is highly prevalent and is increasingly thought to be an important risk factor in many diseases that have high morbidity and mortality, including lupus. Vitamin D is an immunomodulatory hormone with effects on T cells, B cells, and dendritic cells. ⋯ Recommendations are available regarding screening for and repletion of vitamin D deficiency. More research is needed to understand the role of vitamin D as an immunomodulator and to determine the optimal range of serum 25-hydroxyvitamin D for musculoskeletal, cardiovascular, and immune health.