ArticleAfrican journal of laboratory medicine2026
Effects of disease-modifying drugs on serum neurofilament light chain, chitinase-3-like-1 protein levels, and selected plasmacytoid dendritic cell biomarkers in relapsing-remitting multiple sclerosis.
Article in African journal of laboratory medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Multiple sclerosis (MS) is a neurodegenerative central nervous system disorder causing axonal damage and disability. Relapses develop over hours or days and then subside over weeks. Disease-modifying drugs (DMDs) influence disease activity. Interferon beta-1A (IFN-b-1A) is a widely used first-line treatment for relapsing remitting MS (RRMS) that reduces central nervous system inflammation. Fingolimod affects lymphocyte trafficking. B-cell therapy (rituximab) depletes circulating CD20+ B cells in cerebrospinal fluid, but their specific effects in RRMS remain limited. Objective: The aim of the present study was to evaluate the effect of DMDs such as IFN-b-1A, fingolimod and rituximab on neurofilament light chain (NFL) and chitinase 3-like 1 (CHI3L1) serum levels, and some biomarkers of plasmacytoid dendritic cells (pDCs) in RRMS patients. Methods: Thirty healthy controls and 44 RRMS patients actively receiving their DMDs, were recruited into this study. Patients were divided into three groups according to DMDs type: Group 1 ( Results: Serum NFL (84.1% sensitivity and 60.0% specificity) and CHI3L1 (90.9% sensitivity and 73.0% specificity) levels were higher in patients than in controls ( Conclusion: Disease-modifying drug type (IFN-b-1A, fingolimod, and B-cell therapy) impacts NFL and CHI3L1 serum levels as drug response biomarkers and relates to clinical data of MS patients, but has no diverse impact on the migratory and tolerogenic function of pDCs. What this study adds: The serum NFL and CHI3L1 need to be validated as drug response biomarkers in RRMS patients, evaluating the DMDs' effect on immunocellular level by studying migratory and tolerogenic functions of pDCs.
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