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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Vitamin D Deficiency and Rheumatoid Arthritis

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Watanabe Ishikawa, larissa Lumi [1] ; Colavite, Priscila Maria [1] ; de Campos Fraga-Silva, Thais Fernanda [1] ; Nishiyama Mimura, Luiza Ayumi [1] ; Donega Franca, Thais Graziela [1] ; Goncalves Zorzella-Pezavento, Sofia Fernanda [1] ; Chiuso-Minicucci, Fernanda [1] ; Marcolino, Larissa Doddi [2] ; Penitenti, Marcimara [3] ; Valerio Ikoma, Maura Rosane [3] ; Sartori, Alexandrina [1]
Total Authors: 11
Affiliation:
[1] Sao Paulo State Univ UNESP, Inst Biosci Botucatu, Dept Microbiol & Immunol, Sao Paulo - Brazil
[2] Botucatu Med Sch, Dept Pathol, Sao Paulo - Brazil
[3] Amaral Carvalho Fdn, Flow Cytometry Lab, Sao Paulo - Brazil
Total Affiliations: 3
Document type: Review article
Source: CLINICAL REVIEWS IN ALLERGY & IMMUNOLOGY; v. 52, n. 3, p. 373-388, JUN 2017.
Web of Science Citations: 19
Abstract

Vitamin D (VitD) is a hormone primarily synthesized in human skin under the stimulation of ultraviolet radiation. Beyond its endocrine role in bone metabolism, VitD is endowed with remarkable immunomodulatory properties. The effects of VitD on the immune system include the enhancement of microbicidal ability of monocytes/macrophages and the down-modulation of inflammatory cytokines produced by T lymphocytes. VitD deficiency is involved in many health problems, including immune-mediated diseases such as autoimmune disorders. Rheumatoid arthritis (RA) is a chronic inflammatory systemic autoimmune disease that compromises the joints, causing cartilage destruction and bone erosion. RA treatment usually consists of combined therapies that generally suppress the entire immune response leading to increased susceptibility to infections. This review describes the main effects of VitD on innate and adaptive immune system and also VitD status in inflammatory rheumatic diseases such as RA. Despite some controversies, the majority of reports reinforce the idea that lower VitD levels correlate with more severe clinical manifestations in RA and other rheumatic diseases. Therefore, supplementation with VitD to achieve normal serum levels is worthwhile as an aforethought. Original data concerning the potential applicability of 1,25-dihydroxyvitamin D-3 (VitD3), the active form of vitamin D, as a tolerogenic adjuvant are also included. In this sense, the effect of VitD3 associated with proteoglycan (PG), which is a specific cartilage antigen, was tested in the course of experimental arthritis. This association significantly lowered clinical scores and local histopathological alterations. Even though local analysis of T cell subsets and cytokine production did not reveal any difference between the experimental groups, VitD3+PG association significantly reduced cytokine production by spleen cells. These results suggest that VitD3 played a role as a tolerogenic adjuvant by down-modulating the course of experimental RA. Considering this tolerogenic effect of VitD3+PG association, further investigations will reveal its plausible use in human RA. (AU)

FAPESP's process: 10/20470-3 - Specific tolerogenic strategies for prophylaxis and therapy in experimental autoimmune arthritis.
Grantee:Larissa Lumi Watanabe Ishikawa
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 11/17325-4 - Immunomodulatory strategies in experimental arthritis based on induction of specific tolerance by vitamin D3 and rapamycin
Grantee:Alexandrina Sartori
Support Opportunities: Regular Research Grants