Comment on “Gender Differences in 1,25 Dihydroxyvitamin D3 Immunomodulatory Effects in Multiple Sclerosis Patients and Healthy Subjects”

Abstract

We read with interest the article by Correale and colleagues ([1][1]), which shows an effect of vitamin D on regulatory T cells in patients with multiple sclerosis (MS). The authors observed a significantly decreased serum level of 25-hydroxyvitamin D [25(OH)D] and 1,25-dihydroxyvitamin D3 [1,25(OH)