Abstract
Vitamin D is a fat soluble vitamin and a steroid hormone with endocrine, paracrine and autocrine actions. The two major forms are vitamin D2 (ergocalcifeol) and vitamin D3 (cholecalciferol), the active hormone being calcitriol. The importance of vitamin D and its metabolites lies in the key role in calcium homeostasis and bone metabolism but vitamin D also has extraskeletal effects, still incompletely understood. Vitamin D receptor (VDR) is ubiquitous in the body, the presence of VDR in multiple tissues suggesting a more general role of calcitriol. Vitamin D can regulate many cellular functions such as cell proliferation, differentiation, and apoptosis. Calcitriol exerts immunomodulating and antiproliferative effects and plays a potential role in the prevention and therapy of various cancers (breast, colorectal, prostate, thyroid), autoimmune diseases (rheumatoid arthritis, systemic lupus erythematosus, inflammatory bowel disease, multiple sclerosis and type 1 diabetes, thyroid autoimmunity), obesity and also in cardiovascular, renal, maternal-fetal pathologies. Conclusions. The current studies bring increasingly more evidence about the benefits of vitamin D supplementation in extraskeletal pathology although there is no agreed protocol in this regard. However, these patients should be considered for adequate intake of vitamin D for the prevention, improving the evolution and the prognosis of their disease.
Highlights
The current studies bring increasingly more evidence about the benefits of vitamin D supplementation in extraskeletal pathology there is no agreed protocol in this regard. These patients should be considered for adequate intake of vitamin D for the prevention, improving the evolution and the prognosis of their disease
Pe lângă patologia sistemului osos, deficitul de vitamina D este din ce în ce mai des incriminat în etiopatogenia și evoluţia unor boli extrascheletale sugerând astfel necesitatea existenţei unui consens cu privire la suplimentarea de vitamina D și dozele optime necesare prevenţiei și chiar tratamentului acestor boli
Summary
UV = ultraviolete UVB = ultraviolete tip B VDR = receptorul vitaminei D VDRE = vitamin D response element Acţiunile vitaminei D sunt realizate prin legarea de receptorul specific (VDR) situat la nivelul nucleului în celulele ţintă.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.