Three novel genetic variants in NRF2 signaling pathway genes are associated with pancreatic cancer risk.
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Pancreatic cancer (PanC) is one of the most lethal solid malignancies, and metastatic PanC is often present at the time of diagnosis. Although several high- and low-penetrance genes have been implicated in PanC, their roles in carcinogenesis remain only partially elucidated. Because the nuclear factor erythroid2-related factor2 (NRF2) signaling pathway is involved in human cancers, we hypothesize that genetic variants in NRF2 pathway genes are associated with PanC risk. To test this hypothesis, we assessed associations between 31 583 common single nucleotide polymorphisms (SNP) in 164 NRF2-related genes and PanC risk using three published genome-wide association study (GWAS) datasets, which included 8474 cases and 6944 controls of European descent. We also carried out expression quantitative trait loci (eQTL) analysis to assess the genotype-phenotype correlation of the identified significant SNP using publicly available data in the 1000 Genomes Project. We found that three novel SNP (ie, rs3124761, rs17458086 and rs1630747) were significantly associated with PanC risk (P = 5.17 × 10-7 , 5.61 × 10-4 and 5.52 × 10-4 , respectively). Combined analysis using the number of unfavorable genotypes (NUG) of these three SNP suggested that carriers of two to three NUG had an increased risk of PanC (P < 0.0001), compared with those carrying zero to one NUG. Furthermore, eQTL analysis showed that both rs3124761 T and rs17458086 C alleles were associated with increased mRNA expression levels of SLC2A6 and SLC2A13, respectively (P < 0.05). In conclusion, genetic variants in NRF2 pathway genes could play a role in susceptibility to PanC, and further functional exploration of the underlying molecular mechanisms is warranted.
Genetic Predisposition to Disease
Polymorphism, Single Nucleotide
Quantitative Trait Loci
NF-E2-Related Factor 2
Genome-Wide Association Study
Published Version (Please cite this version)10.1111/cas.14017
Publication InfoWei, Qingyi; Luo, Sheng; Walsh, Kyle; Abbruzzese, James; Zhang, Xuefeng; Yang, Wenjun; ... Chen, Xiaoxin (2019). Three novel genetic variants in NRF2 signaling pathway genes are associated with pancreatic cancer risk. Cancer science, 110(6). pp. 2022-2032. 10.1111/cas.14017. Retrieved from https://hdl.handle.net/10161/19157.
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D. C. I. Professor of Medical Oncology
My research interests include the clinical study and treatment of pancreatic cancer.
Professor of Biostatistics & Bioinformatics
Associate Professor of Neurosurgery
Dr. Walsh’s research program focuses on genetic and epigenetic factors contributing to cancer predisposition in children and adults, with a special interest in brain tumors. This research is informed by both epidemiology and anthropological genetics, with computational work stressing statistical methodologies for “gene hunting” (e.g. GWAS, fine-mapping, admixture mapping, whole-genome sequencing). The laboratory engages in functional genomics research, investigating the biologi
Professor in Population Health Sciences
Qingyi Wei, MD, PhD, Professor in the Department of Medicine, is Associate Director for Cancer Control and Population Sciences, Co-leader of CCPS and Co-leader of Epidemiology and Population Genomics (Focus Area 1). He is a professor of Medicine and an internationally recognized epidemiologist focused on the molecular and genetic epidemiology of head and neck cancers, lung cancer, and melanoma. His research focuses on biomarkers and genetic determinants for the DNA repair deficient phenotype and
Adjunct Associate Professor in the Department of Pathology
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