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Biochim Biophys Acta Mol Basis Dis ; 1869(2): 166599, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36427699

RESUMO

Genome-wide association studies (GWAS) map genetic associations of complex traits with precision limited to a linkage disequilibrium group. To translate GWAS results into new understanding of disease mechanisms, individual causative polymorphisms and their target genes should be identified. CRISPR/Cas9 genome editing can be used to create isogenic cell lines bearing alternative genotypes of candidate single-nucleotide polymorphisms to test their causality and to reveal gene targets. An intergenic polymorphism rs12946510 is associated with multiple sclerosis, inflammatory bowel disease and asthma. We created sublines of the T-helper cell line bearing alternative genotypes of rs12946510 and showed that its risk ("T") allele is associated with lower expression of IKZF3 and ORMDL3 genes and reduced cell activation. Our editing procedure can become an effective tool for discovering new genes involved in pathogenesis of complex diseases.


Assuntos
Sistemas CRISPR-Cas , Edição de Genes , Edição de Genes/métodos , Estudo de Associação Genômica Ampla , Autoimunidade , Polimorfismo de Nucleotídeo Único
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