Sex-specific association of epidermal growth factor gene polymorphisms with acute respiratory distress syndrome

C. C. Sheu, R. Zhai, L. Su, P. Tejera, Michelle Ng Gong, B. T. Thompson, F. Chen, D. C. Christiani

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Epidermal growth factor (EGF) is involved in alveolar epithelial repair, lung fluid clearance and inflammation, and is regulated by sex hormones. An unmatched, nested case-control study was conducted to evaluate the associations of EGF variants with acute respiratory distress syndrome (ARDS) and the role of sex on the associations between EGF variants and ARDS. Patients with ARDS risk factors upon intensive care unit admission were enrolled. Cases were 416 Caucasians who developed ARDS and controls were 1,052 Caucasians who did not develop ARDS. Cases were followed for clinical outcomes and 60-day mortality. One functional single nucleotide polymorphism (SNP), rs4444903, and six haplotype-tagging SNPs spanning the entire EGF gene were genotyped. No individual SNP or haplotype was associated with ARDS risk or outcomes in all subjects. Sexstratified analyses showed opposite effects of EGF variants on ARDS in males versus in females. SNPs rs4444903, rs2298991, rs7692976 and rs4698803, and haplotypes GGCGTC and ATCAAG were associated with ARDS risk in males. No associations were observed in females. Interaction analysis showed that rs4444903, rs2298991, rs7692976 and rs6533485 significantly interacted with sex for ARDS risk. The present study suggests that associations of epidermal growth factor gene variants with acute respiratory distress syndrome risk are modified by sex. The current findings should be replicated in other populations. Copyright

Original languageEnglish (US)
Pages (from-to)543-550
Number of pages8
JournalEuropean Respiratory Journal
Volume33
Issue number3
DOIs
StatePublished - Mar 2009
Externally publishedYes

Fingerprint

Adult Respiratory Distress Syndrome
Epidermal Growth Factor
Genes
Single Nucleotide Polymorphism
Haplotypes
Gonadal Steroid Hormones
Intensive Care Units
Case-Control Studies
Inflammation
Lung
Mortality

Keywords

  • Acute respiratory distress syndrome
  • Epidermal growth factor
  • Genetic susceptibility
  • Haplotypes
  • Lung injury
  • Molecular epidemiology

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Sex-specific association of epidermal growth factor gene polymorphisms with acute respiratory distress syndrome. / Sheu, C. C.; Zhai, R.; Su, L.; Tejera, P.; Gong, Michelle Ng; Thompson, B. T.; Chen, F.; Christiani, D. C.

In: European Respiratory Journal, Vol. 33, No. 3, 03.2009, p. 543-550.

Research output: Contribution to journalArticle

Sheu, C. C. ; Zhai, R. ; Su, L. ; Tejera, P. ; Gong, Michelle Ng ; Thompson, B. T. ; Chen, F. ; Christiani, D. C. / Sex-specific association of epidermal growth factor gene polymorphisms with acute respiratory distress syndrome. In: European Respiratory Journal. 2009 ; Vol. 33, No. 3. pp. 543-550.
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