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Article Abstract
Adult neurogenesis in the hippocampus, involving the generation and integration of new neurons, is essential for behavioral pattern separation, which supports accurate memory recall and cognitive plasticity. Here, we explore the role of the DNA repair protein NEIL3 in adult hippocampal neurogenesis and behavioral pattern separation. NEIL3 is required for efficient proliferation and neuronal differentiation of neonatal NSPCs and adult-born NPCs in the hippocampus following a behavioral pattern separation task. NEIL3-depleted mice exhibited a reduced preference for the novel object location, indicating a deficit in pattern separation. NEIL3-deficient adult-born neurons exhibited a significant reduction in mature-like membrane properties, indicating impaired functional maturation. Interestingly, these impairments were not associated with the decreased genomic integrity but with the altered transcriptional regulation of the Wnt signaling pathway. Given the importance of adult neurogenesis in cognitive function, targeting NEIL3 could offer therapeutic potential for addressing age-related hippocampal dysfunction and cognitive decline.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11880487 | PMC |
| http://dx.doi.org/10.1007/s00018-025-05629-5 | DOI Listing |
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