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Updated: Jan 8, 2026

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Ciencia básica y patogénesis

Yue-Ting Deng1, Bang-Sheng Wu1, Jin-Tai Yu1

  • 1Huashan hospital, Fudan University, Shanghai, China.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio identificó nuevas variantes de codificación de proteínas relacionadas con la demencia y rasgos neuropsiquiátricos utilizando secuenciación de exoma completo. Los hallazgos revelan asociaciones genéticas compartidas e implican la estructura cerebral en estas afecciones.

Palabras clave:
variantes de codificación de proteínasdemenciarasgos neuropsiquiátricossecuenciación de exoma completoanálisis multiómicoasociaciones genéticasestructura cerebral

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Área de la Ciencia:

  • Genética; Neurociencia; Psiquiatría

Sus antecedentes:

  • Se conocen loci genómicos para la demencia, pero el papel de las variantes de codificación de proteínas sigue sin estar claro.; Los vínculos genéticos entre la demencia y los rasgos neuropsiquiátricos requieren una mayor investigación.

Objetivo del estudio:

  • Investigar el impacto de las variantes de codificación de proteínas en la demencia y 68 rasgos neuropsiquiátricos.; Determinar las correlaciones genéticas entre la demencia y las afecciones neuropsiquiátricas.; Explorar las contribuciones multiómicas a los vínculos gen-fenotipo.

Principales métodos:

  • Secuenciación de exoma completo a gran escala en 350.770 participantes del Biobanco del Reino Unido.; Regresión de heredabilidad de carga para el análisis de correlación genética.; Análisis multiómico de estructuras cerebrales, proteínas sanguíneas e inflamación.

Principales resultados:

  • Se identificaron 20 genes nuevos asociados con enfermedades neuropsiquiátricas, incluidos 7 para la demencia (4 nuevos).; SYNGAP1 mostró efectos pleiotrópicos sobre la cognición; 29 genes se correlacionaron con la corteza orbitofrontal medial derecha.; Se encontraron asociaciones genéticas compartidas entre demencia, accidente cerebrovascular, enfermedades neurodegenerativas y algunos trastornos mentales.

Conclusiones:

  • Se caracterizó un compendio de variantes de codificación de proteínas para fenotipos neuropsiquiátricos.; Destaca posibles dianas terapéuticas y conocimientos biológicos para la demencia y trastornos relacionados.