Autoimmune diseases are a range of diseases in which the immune response to self-
antigens results in damage or dysfunction of tissues. Autoimmune diseases can be systemic …

It is now 25 years since the first European studies on vasculitis—the anti-neutrophil
cytoplasmic antibody (ANCA) standardization project. Over that period of time, there have …

Changes in vitamin D serum levels have been associated with inflammatory diseases, such
as inflammatory bowel disease (IBD), rheumatoid arthritis, systemic lupus erythematosus …

Vitamin D (VD) is essential for bone homeostasis, but it is also involved in pleiotropic effects
on various organs and tissues. In adults, VD deficiency can cause or exacerbate …

Vitamin D level in rheumatoid arthritis and its correlation with the disease activity: a meta-analysis
Page 1 Clinical and Experimental Rheumatology 2016; 34: 827-833. Vitamin D level in …

Vitamin D is a hormone synthesized in the skin in the presence of sunlight. Like other
hormones, vitamin D plays a role in a wide range of processes in the body. Here we review …

Various autoimmune rheumatic diseases (ARDs), including rheumatoid arthritis,
spondyloarthritis, vasculitis and systemic lupus erythematosus, are associated with …

Background The evidence from epidemiological studies concerning the relationship
between serum vitamin D concentrations and rheumatoid arthritis (RA) is inconsistent. This …

Abstract Approximately 30%-50% of people are recognized to have low levels of vitamin D,
and insufficiency and deficiency of vitamin D are recognized as global health problems …

For many years, vitamin D has been acknowledged for its role in maintaining calcium and
phosphate balance. However, in recent years, research has assessed its …