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Genes (Basel) ; 13(5)2022 05 12.
Artigo em Inglês | MEDLINE | ID: mdl-35627244

RESUMO

Neurodevelopmental disorders (NDDs) are considered synaptopathies, as they are due to anomalies in neuronal connectivity during development. DLG2 is a gene involved insynaptic function; the phenotypic effect of itsalterations in NDDs has been underestimated since few cases have been thoroughly described.We report on eight patients with 11q14.1 imbalances involving DLG2, underlining its potential effects on clinical presentation and its contribution to NDD comorbidity by accurate neuropsychiatric data collection. DLG2 is a very large gene in 11q14.1, extending over 2.172 Mb, with alternative splicing that gives rise to numerous isoforms differentially expressed in brain tissues. A thorough bioinformatic analysis of the altered transcripts was conducted for each patient. The different expression profiles of the isoforms of this gene and their influence on the excitatory-inhibitory balance in crucial brain structures could contribute to the phenotypic variability related to DLG2 alterations. Further studies on patients would be helpful to enrich clinical and neurodevelopmental findings and elucidate the molecular mechanisms subtended to NDDs.


Assuntos
Cromossomos Humanos Par 11 , Guanilato Quinases , Transtornos do Neurodesenvolvimento , Proteínas Supressoras de Tumor , Processamento Alternativo , Estruturas Cromossômicas , Cromossomos Humanos Par 11/genética , Guanilato Quinases/genética , Humanos , Transtornos do Neurodesenvolvimento/genética , Isoformas de Proteínas/genética , Proteínas Supressoras de Tumor/genética
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