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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/187404
NRN1 Gene as a Potential Marker of Early-Onset Schizophrenia: Evidence from Genetic and Neuroimaging Approaches
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Included in the neurotrophins family, the Neuritin 1 gene (NRN1) has emerged as an attractive candidate gene for schizophrenia (SZ) since it has been associated with the risk for the disorder and general cognitive performance. In this work, we aimed to further investigate the association of NRN1 with SZ by exploring its role on age at onset and its brain activity correlates. First, we developed two genetic association analyses using a family-based sample (80 early-onset (EO) trios (offspring onset ≤ 18 years) and 71 adult-onset (AO) trios) and an independent case control sample (120 healthy subjects (HS), 87 EO and 138 AO patients). Second, we explored the effect of NRN1 on brain activity during a working memory task (N-back task; 39 HS, 39 EO and 39 AO; matched by age, sex and estimated IQ). Different haplotypes encompassing the same three Single Nucleotide Polymorphisms(SNPs, rs3763180 rs10484320 rs4960155) were associated with EO in the two samples (GCT, TCC and GTT). Besides, the GTT haplotype was associated with worse N-back task performance in EO and was linked to an inefficient dorsolateral prefrontal cortex activity in subjects with EO compared to HS. Our results show convergent evidence on the NRN1 association with EO both from genetic and neuroimaging approaches, highlighting the role of neurotrophins in the pathophysiology of SZ.
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ALMODÓVAR PAYÁ, Carmen, GUARDIOLA-RIPOLL, Maria, GIRALT-LÓPEZ, Maria, GALLEGO, Carme, SALGADO-PINEDA, Pilar, MIRET, Salvador, SALVADOR, Raymond, MUÑOZ, María j., LÁZARO GARCÍA, Luisa, GUERRERO-PEDRAZA, Amalia, PARELLADA, Mara, CARRIÓN, María i., CUESTA, Manuel j., MARISTANY, Teresa, SARRÓ, Salvador, FAÑANÁS SAURA, Lourdes, CALLADO, Luis f., ARIAS SAMPÉRIZ, Bárbara, POMAROL-CLOTET, Edith, FATJÓ-VILAS MESTRE, Mar. NRN1 Gene as a Potential Marker of Early-Onset Schizophrenia: Evidence from Genetic and Neuroimaging Approaches. _International Journal of Molecular Sciences_. 2022. Vol. 23, núm. 13, pàgs. 1-18. [consulta: 20 de gener de 2026]. ISSN: 1661-6596. [Disponible a: https://hdl.handle.net/2445/187404]