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Mech Ageing Dev ; 219: 111926, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38484896

RESUMO

Genome-wide association studies and candidate gene studies have identified several genetic variants that might play a role in achieving longevity. This study investigates interactions between pairs of those single nucleotide polymorphisms (SNPs) and their effect on survival above the age of 85 in a sample of 327 Croatian individuals. Although none of the SNPs individually showed a significant effect on survival in this sample, 14 of the 359 interactions tested (between SNPs not in LD) reached the level of nominal significance (p<0.05), showing a potential effect on late-life survival. Notably, SH2B3 rs3184504 interacted with different SNPs near TERC, TP53 rs1042522 with different SNPs located near the CDKN2B gene, and CDKN2B rs1333049 with different SNPs in FOXO3, as well as with LINC02227 rs2149954. The other interaction pairs with a possible effect on survival were FOXO3 rs2802292 and ERCC2 rs50871, IL6 rs1800795 and GHRHR rs2267723, LINC02227 rs2149954 and PARK7 rs225119, as well as PARK7 rs225119 and PTPN1 rs6067484. These interactions remained significant when tested together with a set of health-related variables that also had a significant effect on survival above 85 years. In conclusion, our results confirm the central role of genetic regulation of insulin signalling and cell cycle control in longevity.


Assuntos
Longevidade , Polimorfismo de Nucleotídeo Único , Humanos , Longevidade/genética , Masculino , Feminino , Idoso de 80 Anos ou mais , Proteína Forkhead Box O3/genética , Proteína Forkhead Box O3/metabolismo , Estudo de Associação Genômica Ampla , Croácia/epidemiologia , Epistasia Genética
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