Immune cells, including dendritic cells, macrophages, and T and B cells, express the vitamin
D receptor and 1α-hydroxylase. In vitro studies have shown that 1, 25-dihydroxyvitamin D …

Effects of vitamin D on the immune system have been recognized for over 30years and
stemmed in part from analysis of the dysregulated vitamin D metabolism associated with …

Vitamin D secosteroids are group of liposoluble prohormones consisting of five different
vitamins, the most important forms being vitamin D2 and vitamin D3. Previous and current …

Background Observational studies have linked vitamin D status and infectious disease. This
association is supported by the presence of the vitamin D receptor and CYP27B1 in immune …

Viral infections have been a cause of mortality for several centuries and continue to
endanger the lives of many, specifically of the younger population. Vitamin D has long been …

Although the best known actions of vitamin D involve its regulation of bone mineral
homeostasis, vitamin D exerts its influence on many physiologic processes. One of these …

Regulation of immune function continues to be one of the most well recognized extraskeletal
actions of vitamin D. This stemmed initially from the discovery that antigen presenting cells …

VITAMIN D is critical for calcium homeostasis (4). Recently, there is renewed interest in
vitamin D because of experimental evidence indicating that 1, 25-dihydroxyvitamin D3 [1, 25 …

Prominent amongst the non-classical effects of vitamin D is its interaction with the immune
system. Although this has been recognized for many years, it is only through recent studies …

Vitamin D is being touted as an anti-infective agent and it has even been suggested that
vitamin D supplementation could be effective against the H1N1 influenza virus. The claims …