Document Detail

Eicosapentaenoic acid modulates CyA-induced proinflammatory cytokine over-expression in osteoblastic cells in vitro.
MedLine Citation:
PMID:  23241116     Owner:  NLM     Status:  In-Data-Review    
Several adverse outcomes are reported in subjects undergoing long term Cyclosporin A (CyA) treatment. Severe osteopenia has been described in clinical and experimental reports, while beneficial effects of n-3 polyunsaturated fatty acids (PUFAs) on bone metabolism are recognized. In the present study we investigated the effects of n-3 versus n-6 PUFAs on osteoblastic cells treated with CyA, evaluating the expression of interleukin (IL)-1ß, interleukin-6 (IL-6), inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2) in two different experimental protocols and the production of IL-6, IL-1ß, and tumor necrosis factor alpha (TNFalpha) in cells challenged simultaneously with CyA and eicosapentaenoic acid (EPA) for 48h. IL-1ß and IL-6 up-regulation, induced by CyA, was counteracted by the addition of EPA in both protocols; on the contrary, arachidonic acid (AA) magnified CyA the effects. COX-2 and iNOS levels were not modified by CyA treatment. These in vitro results, that substantiate clinical reports of CyA-induced osteopenia, demonstrate a beneficial effect of EPA on CyA-altered cytokine profile, opening new perspectives in the non-pharmacological management of adverse outcomes in CyA-treated patients.
E Musacchio; G Priante; C Valvason; B Baggio; L Sartori
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biological regulators and homeostatic agents     Volume:  26     ISSN:  0393-974X     ISO Abbreviation:  J. Biol. Regul. Homeost. Agents     Publication Date:    2012 Oct-Dec
Date Detail:
Created Date:  2012-12-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8809253     Medline TA:  J Biol Regul Homeost Agents     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  663-70     Citation Subset:  IM    
Department of Medicine DIMED, Clinica Medica I, University of Padova, Italy.
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