Hepcidin-regulating iron metabolism genes and pancreatic ductal adenocarcinoma: a pathway analysis of genome-wide association studies.
epidemiology
genetic susceptibility
hepcidin
iron metabolism pathway
pancreatic cancer
Journal
The American journal of clinical nutrition
ISSN: 1938-3207
Titre abrégé: Am J Clin Nutr
Pays: United States
ID NLM: 0376027
Informations de publication
Date de publication:
04 10 2021
04 10 2021
Historique:
received:
14
01
2021
accepted:
08
06
2021
pubmed:
15
7
2021
medline:
26
10
2021
entrez:
14
7
2021
Statut:
ppublish
Résumé
Epidemiological studies have suggested positive associations for iron and red meat intake with risk of pancreatic ductal adenocarcinoma (PDAC). Inherited pathogenic variants in genes involved in the hepcidin-regulating iron metabolism pathway are known to cause iron overload and hemochromatosis. The objective of this study was to determine whether common genetic variation in the hepcidin-regulating iron metabolism pathway is associated with PDAC. We conducted a pathway analysis of the hepcidin-regulating genes using single nucleotide polymorphism (SNP) summary statistics generated from 4 genome-wide association studies in 2 large consortium studies using the summary data-based adaptive rank truncated product method. Our population consisted of 9253 PDAC cases and 12,525 controls of European descent. Our analysis included 11 hepcidin-regulating genes [bone morphogenetic protein 2 (BMP2), bone morphogenetic protein 6 (BMP6), ferritin heavy chain 1 (FTH1), ferritin light chain (FTL), hepcidin (HAMP), homeostatic iron regulator (HFE), hemojuvelin (HJV), nuclear factor erythroid 2-related factor 2 (NRF2), ferroportin 1 (SLC40A1), transferrin receptor 1 (TFR1), and transferrin receptor 2 (TFR2)] and their surrounding genomic regions (±20 kb) for a total of 412 SNPs. The hepcidin-regulating gene pathway was significantly associated with PDAC (P = 0.002), with the HJV, TFR2, TFR1, BMP6, and HAMP genes contributing the most to the association. Our results support that genetic susceptibility related to the hepcidin-regulating gene pathway is associated with PDAC risk and suggest a potential role of iron metabolism in pancreatic carcinogenesis. Further studies are needed to evaluate effect modification by intake of iron-rich foods on this association.
Sections du résumé
BACKGROUND
Epidemiological studies have suggested positive associations for iron and red meat intake with risk of pancreatic ductal adenocarcinoma (PDAC). Inherited pathogenic variants in genes involved in the hepcidin-regulating iron metabolism pathway are known to cause iron overload and hemochromatosis.
OBJECTIVES
The objective of this study was to determine whether common genetic variation in the hepcidin-regulating iron metabolism pathway is associated with PDAC.
METHODS
We conducted a pathway analysis of the hepcidin-regulating genes using single nucleotide polymorphism (SNP) summary statistics generated from 4 genome-wide association studies in 2 large consortium studies using the summary data-based adaptive rank truncated product method. Our population consisted of 9253 PDAC cases and 12,525 controls of European descent. Our analysis included 11 hepcidin-regulating genes [bone morphogenetic protein 2 (BMP2), bone morphogenetic protein 6 (BMP6), ferritin heavy chain 1 (FTH1), ferritin light chain (FTL), hepcidin (HAMP), homeostatic iron regulator (HFE), hemojuvelin (HJV), nuclear factor erythroid 2-related factor 2 (NRF2), ferroportin 1 (SLC40A1), transferrin receptor 1 (TFR1), and transferrin receptor 2 (TFR2)] and their surrounding genomic regions (±20 kb) for a total of 412 SNPs.
RESULTS
The hepcidin-regulating gene pathway was significantly associated with PDAC (P = 0.002), with the HJV, TFR2, TFR1, BMP6, and HAMP genes contributing the most to the association.
CONCLUSIONS
Our results support that genetic susceptibility related to the hepcidin-regulating gene pathway is associated with PDAC risk and suggest a potential role of iron metabolism in pancreatic carcinogenesis. Further studies are needed to evaluate effect modification by intake of iron-rich foods on this association.
Identifiants
pubmed: 34258619
pii: S0002-9165(22)00469-5
doi: 10.1093/ajcn/nqab217
pmc: PMC8488877
doi:
Substances chimiques
Hepcidins
0
Iron
E1UOL152H7
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
1408-1417Subventions
Organisme : NCI NIH HHS
ID : U01 CA182883
Pays : United States
Organisme : NCI NIH HHS
ID : P50 CA062924
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL034595
Pays : United States
Organisme : Pancreatic Cancer Cohort II
ID : CA098380
Organisme : NCI NIH HHS
ID : P30 CA008748
Pays : United States
Organisme : MSKCC
ID : RO1CA102765
Organisme : Memorial Sloan Kettering Cancer Center
ID : P30CA008748
Organisme : NHLBI NIH HHS
ID : HHSN268201600018C
Pays : United States
Organisme : Hale Center for Pancreatic Cancer Research
ID : U01CA21017
Organisme : NCI NIH HHS
ID : R01 CA098380
Pays : United States
Organisme : NCI NIH HHS
ID : UM1 CA182883
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA247283
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201600001C
Pays : United States
Organisme : NIH HHS
ID : RO1CA154823
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201600003C
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA102765
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA182934
Pays : United States
Organisme : NCI NIH HHS
ID : UG1 CA189974
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201600002C
Pays : United States
Organisme : NCI NIH HHS
ID : P50 CA102701
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA015083
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201600004C
Pays : United States
Organisme : NCI NIH HHS
ID : U01CA164973
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA154823
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA049449
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA182913
Pays : United States
Organisme : NCI NIH HHS
ID : R03 CA123546
Pays : United States
Organisme : California Department of Public Health
ID : HSN261201000140C
Informations de copyright
Published by Oxford University Press on behalf of the American Society for Nutrition 2021.
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