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Genome-wide association study identifies WWC2 as a possible locus associated with persistent pulmonary hypertension of the newborn in the Thai population

BACKGROUND: There is known to be significant genetic involvement in persistent pulmonary hypertension of the newborn (PPHN), but to date there is not a clear understanding of this situation, and clarifying that involvement would be of considerable assistance in devising effective treatments for the...

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Detalles Bibliográficos
Autores principales: Nakwan, Narongsak, Kunhapan, Punna, Chaiyasung, Tassamonwan, Satproedprai, Nusara, Singkhamanan, Kamonnut, Mahasirimongkol, Surakameth, Charalsawadi, Chariyawan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: AME Publishing Company 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9926135/
https://www.ncbi.nlm.nih.gov/pubmed/36798934
http://dx.doi.org/10.21037/tp-22-280
Descripción
Sumario:BACKGROUND: There is known to be significant genetic involvement in persistent pulmonary hypertension of the newborn (PPHN), but to date there is not a clear understanding of this situation, and clarifying that involvement would be of considerable assistance in devising effective treatments for the disease. This case-control study was undertaken to search for genetic variants associated with PPHN in the Thai population using a genome-wide association study (GWAS). METHODS: A 659,184 single nucleotide polymorphisms from 387 participants (54 PPHN cases and 333 healthy participants) were genotyped across the human genome using an Illumina Asian Screening Array-24 v1.0 BeadChip Array. After quality control, we obtained 443,063 autosomal SNPs for the GWAS analysis. The FaST-LMM and R packages were used for all statistical analyses. RESULTS: For the case-control analysis, the genomic inflation factor (λ) was 1.016, rs149768622 T>C in the first intron of WWC2 gene showed the strongest association with a P value of 3.76E-08 and odds ratio (OR) of 13.24 (95% CI: 3.91–44.78). The variants at the LOC102723906/LOC105377599, CADM4, GPM6A, CIT, RIMBP2, LOC105374510, LOC105375193, PTPRN2, CDK14, and LCORL loci showed suggestive evidence of associations with PPHN (P<1E-05). CONCLUSIONS: This GWAS found that rs149768622 T>C in the WWC2 gene was possibly associated with PPHN. However, replication and functional studies are needed to validate this association and further explore the role(s) of the WWC2 gene in PPHN.