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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/177010
Chitinase 3-like 1 is neurotoxic in primary cultured neurons
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Chitinase 3-like 1 (CHI3L1) is known to play a role as prognostic biomarker in the early stages of multiple sclerosis (MS), and patients with high cerebrospinal fluid CHI3L1 levels have an increased risk for the development of neurological disability. Here, we investigated its potential neurotoxic effect by adding recombinant CHI3L1 in vitro to primary cultures of mouse cortical neurons and evaluating both neuronal functionality and survival by immunofluorescence. CHI3L1 induced a significant neurite length retraction after 24 and 48 hours of exposure and significantly reduced neuronal survival at 48 hours. The cytotoxic effect of CHI3L1 was neuron-specific and was not observed in mouse immune or other central nervous system cells. These results point to a selective neurotoxic effect of CHI3L1 in vitro and suggest a potential role of CHI3L1 as therapeutic target in MS patients.
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MATUTE BLANCH, Clara, et al. Chitinase 3-like 1 is neurotoxic in primary cultured neurons. Scientific Reports. 2020. Vol. 10, num. 1, pags. 7118. ISSN 2045-2322. [consulted: 10 of June of 2026]. Available at: https://hdl.handle.net/2445/177010