Open AccessEffects of alfacalcidol therapy on serum cytokine levels in patients with multiple sclerosis
Author(s) -
Slobodan Vojinović,
Jelena Vojinović,
Vladan Ćosić,
Vojin Savić
Publication year - 2005
Publication title -
srpski arhiv za celokupno lekarstvo
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.135
H-Index - 17
eISSN - 2406-0895
pISSN - 0370-8179
DOI - 10.2298/sarh05s2124v
Subject(s) - medicine , alfacalcidol , multiple sclerosis , cytokine , vitamin d and neurology , interleukin 6 , interleukin 10 , gastroenterology , immunology , bone mineral , osteoporosis
Multiple sclerosis (MS) is a consequence of genetic and environmental factors. Geographic, genetic, and biological evidence suggests that an important immunopathogenic factor might be the insufficiency of vitamin D. The aim of our study was to investigate the immunomodulatory effect of alfacalcidol, a vitamin D analogue, on cytokine levels in RRMS patients in relapse. We investigated 15 patients suffering from RRMS relapse (an RRMS group) and two control groups: one control group of healthy subjects (n=10) and a NIND group, consisting of patients with non-inflammatory neurological diseases (n=10). All of the MS patients were treated with 5 ?gr/day of oral alfacalcidol for a period of five days. The serum cytokine levels of TNF-?, IL-10, IL-4, and IL-12 were measured in all the MS patients one day prior to and one day after therapy, and in all the control subjects (ELISA, Quantikine human immunoassay, R&D Systems, UK). Our results showed significantly lower IL- 4 and IL- 12 levels in the RRMS patients group compared to the N group and the NIND group (p<0.001 Mann-Whitney U-test). No significant differences in TNF-? and IL-10 levels were found between the groups, and there was no influence of alfacalcidol on these cytokines in RRMS patients. High doses of oral alfacalcidol induced significant increases in IL-4 and IL-12 levels in RRMS patients (p<0.001, Wilcoxon rank signed test). Therefore, there were no differences in IL- 4 and IL- 12 levels compared to the N group and the NIND group. Alfacalcidol therapy in RRMS patients did not provoke any side effects. Vitamin D and its analogues, such as alfacalcidol, act as immunomodulatory agents, with potential therapeutic effects for patients with multiple sclerosis.