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Background: Besides the central role of the adaptive immune system, a disturbance of innate immune system is also suggested to be involved in the pathogenesis of multiple sclerosis (MS). CD14, a receptor upregulated in activated microglia, is known to be an essential mediator of inflammation in innate immune responses. Therefore, in this study we aimed to assess possible roles of CD14-159 and -260 gene polymorphisms in MS susceptibility and the effects of those polymorphisms to its protein producing capacity in Iranian population.

Methods: In this case control study, CD14-159 and -260 polymorphisms were genotyped using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) in 200 MS patients and 200 healthy controls matched in age and gender. Serum levels of soluble CD14 (sCD14) was determined by enzyme-linked immunosorbent assay (ELISA).

Results: There were …