initial cytokine source for the development of inflammatory responses in AD [18]. A study
reported that vitamin D supplementation in patients with AD leads to a decrease in the
number of CD4 T-cells producing IL-17 and improves the disease severity [19]. Th22 has
also been identified as those that play a role in pathogenesis of AD, however limited data
were available [20, 21]. There is an ongoing need to investigate the role of vitamin D on …