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Genome-Wide Admixture and Association Study of Serum Selenium Deficiency to Identify Genetic Variants Indirectly Linked to Selenium Regulation in Brazilian Adults.
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- المؤلفون: Moriguchi Watanabe, Ligia1,2 ; Sousa, Lisete2; Couto, Francisco M.3 ; Noronha, Natália Yumi4 ; de Souza Pinhel, Marcela Augusta4 ; da Silva Carvalho, Gleyson Francisco5 ; da Silva Rodrigues, Guilherme6 ; Bueno Júnior, Carlos Roberto6 ; Kulikowski, Leslie Domenici5 ; Barbosa Júnior, Fernando7 ; Nonino, Carla Barbosa1,4
- المصدر:
Nutrients. Jun2024, Vol. 16 Issue 11, p1627. 16p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
Blood selenium (Se) concentrations differ substantially by population and could be influenced by genetic variants, increasing Se deficiency-related diseases. We conducted a genome-wide association study (GWAS) to identify single nucleotide polymorphisms (SNPs) associated with serum Se deficiency in 382 adults with admixed ancestry. Genotyping arrays were combined to yield 90,937 SNPs. R packages were applied to quality control and imputation. We also performed the ancestral proportion analysis. The Search Tool for the Retrieval of Interacting Genes was used to interrogate known protein–protein interaction networks (PPIs). Our ancestral proportion analysis estimated 71% of the genome was from Caucasians, 22% was from Africans, and 8% was from East Asians. We identified the SNP rs1561573 in the TraB domain containing 2B (TRABD2B), rs425664 in MAF bZIP transcription factor (MAF), rs10444656 in spermatogenesis-associated 13 (SPATA13), and rs6592284 in heat shock protein nuclear import factor (HIKESHI) genes. The PPI analysis showed functional associations of Se deficiency, thyroid hormone metabolism, NRF2-ARE and the Wnt pathway, and heat stress. Our findings show evidence of a genetic association between Se deficiency and metabolic pathways indirectly linked to Se regulation, reinforcing the complex relationship between Se intake and the endogenous factors affecting the Se requirements for optimal health. [ABSTRACT FROM AUTHOR]
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