Abstract
Chitinase 3-like 1 (CHI3L1) plays a prognostic role in patients with multiple sclerosis (MS). Here, we investigated a potential association between CHI3L1 and the response to interferon-beta (IFNβ) and glatiramer acetate (GA). Serum CHI3L1 levels were measured by ELISA in 117 relapsing-remitting MS (RRMS) patients, 76 IFNβ-treated and 41 GA-treated patients. CHI3L1 levels were increased by GA (p=0.014) but unchanged by IFNβ (p=0.830). CHI3L1 was associated with IFNβ response and levels were higher in non-responder group (p=0.020), while GA showed no responder effect (p=0.943). These results suggest a role for CHI3L1 as response biomarker to IFNβ in RRMS patients.
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