Exploring the Neandertal legacy of pancreatic ductal adenocarcinoma risk in Eurasians.
Admixture
Association study
Eurasians
Introgression
Neandertal
Pancreatic cancer
Journal
Biological research
ISSN: 0717-6287
Titre abrégé: Biol Res
Pays: England
ID NLM: 9308271
Informations de publication
Date de publication:
13 Aug 2023
13 Aug 2023
Historique:
received:
30
06
2022
accepted:
20
07
2023
medline:
16
8
2023
pubmed:
14
8
2023
entrez:
13
8
2023
Statut:
epublish
Résumé
The genomes of present-day non-Africans are composed of 1-3% of Neandertal-derived DNA as a consequence of admixture events between Neandertals and anatomically modern humans about 50-60 thousand years ago. Neandertal-introgressed single nucleotide polymorphisms (aSNPs) have been associated with modern human disease-related traits, which are risk factors for pancreatic ductal adenocarcinoma (PDAC), such as obesity, type 2 diabetes, and inflammation. In this study, we aimed at investigating the role of aSNPs in PDAC in three Eurasian populations. The high-coverage Vindija Neandertal genome was used to select aSNPs in non-African populations from 1000 Genomes project phase 3 data. Then, the association between aSNPs and PDAC risk was tested independently in Europeans and East Asians, using existing GWAS data on more than 200 000 individuals. We did not find any significant associations between aSNPs and PDAC in samples of European descent, whereas, in East Asians, we observed that the Chr10p12.1-rs117585753-T allele (MAF = 10%) increased the risk to develop PDAC (OR = 1.35, 95%CI 1.19-1.54, P = 3.59 × 10 Our results show only a minimal contribution of Neandertal SNPs to PDAC risk.
Sections du résumé
BACKGROUND
BACKGROUND
The genomes of present-day non-Africans are composed of 1-3% of Neandertal-derived DNA as a consequence of admixture events between Neandertals and anatomically modern humans about 50-60 thousand years ago. Neandertal-introgressed single nucleotide polymorphisms (aSNPs) have been associated with modern human disease-related traits, which are risk factors for pancreatic ductal adenocarcinoma (PDAC), such as obesity, type 2 diabetes, and inflammation. In this study, we aimed at investigating the role of aSNPs in PDAC in three Eurasian populations.
RESULTS
RESULTS
The high-coverage Vindija Neandertal genome was used to select aSNPs in non-African populations from 1000 Genomes project phase 3 data. Then, the association between aSNPs and PDAC risk was tested independently in Europeans and East Asians, using existing GWAS data on more than 200 000 individuals. We did not find any significant associations between aSNPs and PDAC in samples of European descent, whereas, in East Asians, we observed that the Chr10p12.1-rs117585753-T allele (MAF = 10%) increased the risk to develop PDAC (OR = 1.35, 95%CI 1.19-1.54, P = 3.59 × 10
CONCLUSIONS
CONCLUSIONS
Our results show only a minimal contribution of Neandertal SNPs to PDAC risk.
Identifiants
pubmed: 37574541
doi: 10.1186/s40659-023-00457-y
pii: 10.1186/s40659-023-00457-y
pmc: PMC10424372
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
46Subventions
Organisme : Cancer Research UK
ID : C7690/A26881
Pays : United Kingdom
Informations de copyright
© 2023. Sociedad de Biologia de Chile.
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