The levels of chemokines CXCL8, CCL2 and CCL5 in multiple sclerosis patients are linked to the activity of the disease

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Abstract
Chemokines are small cytokines with selective chemoattractant properties. They contribute to the T-cell-mediated pathogenesis of multiple sclerosis (MS). In order to ascertain whether different types and stage of disease correlate with a varying level of chemokines, the levels of CXCL8, CCL2 and CCL5 were measured in serum and the cerebrospinal fluid (CSF) of the MS patients. ELISA method was used to examine 56 patients with different types of MS alongside the 29 patients of the control group. The levels of CXCL8 and CCL2 in both groups were higher in CFS than in serum whilst the level of CCL5 measured higher in serum than in CSF. A significant rise in the levels of CXCL8 and CCL5 was observed during relapse, as against the level of CCL2 which was lower when compared with the control and other MS groups. No significant differences were observed in the levels of chemokines between the stable relapsing-remitting MS and progressive MS. The different levels of chemokines are linked to relapse of the disease. No separate, specific pattern of chemokine production dependent on the type of MS could be ascertained.