FOXP3-positive regulatory T (Treg) cells are a unique subset of T cells with immune
regulatory properties. Treg cells can be induced from non-Treg CD4+ T cells (induced Treg …

Multiple environmental factors including hormones, dietary factors, infections, and exposure
to tobacco smoke, as well as gene-environment interactions, have been associated with …

Despite its discovery a hundred years ago, vitamin D has emerged as one of the most
controversial nutrients and prohormones of the 21st century. Its role in calcium metabolism …

Objective To investigate whether an increase in vitamin D levels in patients with systemic
lupus erythematosus (SLE) was associated with improvement in disease activity. Methods A …

The SARS-CoV-2 virus has caused a worldwide COVID-19 pandemic. In less than a year
and a half, more than 200 million people have been infected and more than four million …

Vitiligo is a common pigmentary disorder caused by the destruction of functional
melanocytes. Vitamin D is an essential hormone synthesized in the skin and is responsible …

Background Alopecia areata (AA) is a T cell‐mediated autoimmune disease that causes
inflammation around anagen‐stage hair follicles. Insufficient levels of vitamin D have been …

25-Hydroxy vitamin D (25 (OH) D) deficiency is linked with predisposition to autoimmune
type 1 diabetes and multiple sclerosis. Our objective was to assess the relationship between …

Since the start of the “modern era”, characterized by the increase in urbanization, a
progressive attention to hygiene and autoimmune conditions has considerably grown …

The identification of vitamin D receptor in cells involved in the immune response and the
discovery that activated dendritic cells produce vitamin D hormone suggested that vitamin D …