Genetic variants of genes in the Notch signaling pathway predict overall survival of non-small cell lung cancer patients in the PLCO study.

dc.contributor.author

Xu, Yinghui

dc.contributor.author

Wang, Yanru

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Liu, Hongliang

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Kang, Xiaozheng

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Li, Wei

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Wei, Qingyi

dc.date.accessioned

2019-02-01T14:46:52Z

dc.date.available

2019-02-01T14:46:52Z

dc.date.issued

2016-09

dc.date.updated

2019-02-01T14:46:50Z

dc.description.abstract

The Notch signaling pathway has been shown to have biological significance and therapeutic application in non-small cell lung cancer (NSCLC). We hypothesize that genetic variants of genes in the Notch signaling pathway are associated with overall survival (OS) of NSCLC patients. To test this hypothesis, we performed multivariate Cox proportional hazards regression analysis to evaluate associations of 19,571 single nucleotide polymorphisms (SNPs) in 132 Notch pathway genes with OS of 1,185 NSCLC patients available from the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial. We found that five potentially functional tagSNPs in four genes (i.e., ADAM12 rs10794069 A > G, DTX1 rs1732793 G > A, TLE1 rs199731120 C > CA, TLE1 rs35970494 T > TC and E2F3 rs3806116 G > T) were associated with a poor OS, with a variant-allele attributed hazards ratio (HR) of 1.27 [95% confidence interval (95% CI) = 1.13-1.42, P = 3.62E-05], 1.30 (1.14-1.49, 8.16E-05), 1.40 (1.16-1.68, 3.47E-04), 1.27 (1.11-1.44, 3.38E-04), and 1.21 (1.09-1.33, 2.56E-04), respectively. Combined analysis of these five risk genotypes revealed that the genetic score 0-5 was associated with the adjusted HR in a dose-response manner (Ptrend = 3.44E-13); individuals with 2-5 risk genotypes had an adjusted HR of 1.56 (1.34-1.82, 1.46E-08), compared with those with 0-1 risk genotypes. Larger studies are needed to validate our findings.

dc.identifier

11436

dc.identifier.issn

1949-2553

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1949-2553

dc.identifier.uri

https://hdl.handle.net/10161/17949

dc.language

eng

dc.publisher

Impact Journals, LLC

dc.relation.ispartof

Oncotarget

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10.18632/oncotarget.11436

dc.subject

Cell Line, Tumor

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Humans

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Carcinoma, Non-Small-Cell Lung

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Lung Neoplasms

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Treatment Outcome

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Registries

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Multivariate Analysis

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Proportional Hazards Models

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Regression Analysis

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Signal Transduction

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Gene Expression Regulation, Neoplastic

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Genotype

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Polymorphism, Single Nucleotide

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Quantitative Trait Loci

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Aged

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Middle Aged

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Female

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Male

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Receptors, Notch

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Genome-Wide Association Study

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Kaplan-Meier Estimate

dc.title

Genetic variants of genes in the Notch signaling pathway predict overall survival of non-small cell lung cancer patients in the PLCO study.

dc.type

Journal article

duke.contributor.orcid

Wei, Qingyi|0000-0002-3845-9445|0000-0003-4115-4439

pubs.begin-page

61716

pubs.end-page

61727

pubs.issue

38

pubs.organisational-group

School of Medicine

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Duke

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Duke Cancer Institute

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Institutes and Centers

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Population Health Sciences

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Basic Science Departments

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Medicine, Medical Oncology

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Medicine

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Clinical Science Departments

pubs.publication-status

Published

pubs.volume

7

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