Epidermal growth factor receptor (EGFR) pathway genes and interstitial lung disease

An association study

Chong Li, Rongrong Wei, Yava L. Jones-Hall, Ragini Vittal, Min Zhang, Wanqing Liu

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The etiology and pathogenesis of idiopathic interstitial lung disease (ILD) remain incompletely understood. Genetic susceptibility to ILD has been demonstrated in previous studies. It is well known that EGFR inhibitors can induce ILD in human lung cancer patient with ethnic differences, which prompted us to hypothesize that genetic variation in EGFR pathway genes confer susceptibility to ILD. We aimed in this study to investigate whether functional polymorphisms of EGFR and its ligands genes (EGF and TGFA) were associated with ILD. Three EGFR [-216G/T (rs712830), -191A/C (rs712829), 497R > K(A/G) (rs2227983)], one EGF [61A/G, (rs4444903)] and one TGFA (rs3821262C/T) polymorphisms previously demonstrated to alter gene functions were genotyped in 229 sporadic idiopathic ILD patients and 693 normal healthy individuals. Allelic and genotypic association tests between these polymorphisms and ILD were performed. The EGF 61A/G polymorphism was significantly associated with elevated risk of ILD, with the frequency of G allele significantly increased in the ILD patient population (OR = 1.33, 95%CI = 1.07-1.66, P = 0.0099). None of the other polymorphisms were associated with risk of ILD. Our study suggested that the EGF 61A/G polymorphism may be associated with sporadic ILD. While a false positive finding cannot be excluded, independent studies are warranted to further validate this result.

Original languageEnglish
Article number4893
JournalScientific Reports
Volume4
DOIs
StatePublished - May 13 2014

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erbB-1 Genes
Interstitial Lung Diseases
Epidermal Growth Factor
Epidermal Growth Factor Receptor
Genetic Predisposition to Disease
Gene Frequency
Genes
Lung Neoplasms

ASJC Scopus subject areas

  • General

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Epidermal growth factor receptor (EGFR) pathway genes and interstitial lung disease : An association study. / Li, Chong; Wei, Rongrong; Jones-Hall, Yava L.; Vittal, Ragini; Zhang, Min; Liu, Wanqing.

In: Scientific Reports, Vol. 4, 4893, 13.05.2014.

Research output: Contribution to journalArticle

Li, Chong ; Wei, Rongrong ; Jones-Hall, Yava L. ; Vittal, Ragini ; Zhang, Min ; Liu, Wanqing. / Epidermal growth factor receptor (EGFR) pathway genes and interstitial lung disease : An association study. In: Scientific Reports. 2014 ; Vol. 4.
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