Antioxidant gene polymorphisms and susceptibility to a rapid decline in lung function in smokers

Jian Qing He, Jian Ruan, John E Connett, Nicholas R. Anthonisen, Peter D. Paré, Andrew J. Sandford

Research output: Contribution to journalArticle

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Abstract

Oxidative stress is believed to play an important role in the pathogenesis of smoking-induced chronic obstructive pulmonary disease. We hypothesized that polymorphisms of antioxidant genes glutathione S-transferase M1 (GSTM1), GSTT1, GSTP1, and heme oxygenase-1 (HMOX1) would be associated with susceptibility to accelerated decline of lung function in smokers. We genotyped 621 subjects (299 rapid decliners [change in forced expiratory volume in 1 second (ΔFEV1) = -152 ± 2.5 ml/year] and 322 nondecliners [ΔFEV1 = +15 ± 1.5 ml/year]) selected from among smokers followed for 5 years in the National Heart, Lung, and Blood Institute Lung Health Study. Because genotype frequencies were different between ethnic groups, we limited the association study to 594 whites (286 rapid decliners and 308 nondecliners). None of the genotypes studied had a statistically significant effect on decline of lung function when analyzed separately. There was an association between rapid decline of lung function and presence of all three GST polymorphisms (odds ratio [OR] = 2.83; p = 0.03). A combination of a family history of chronic obstructive pulmonary disease with GSTP1 105IIe/IIe genotype was also associated with rapid decline of lung function (OR = 2.20; p = 0.01). However, due to the multiple comparisons that were made, these associations may represent type 1 error. There was no association between HMOX1 (GT)n alleles and the rate of decline in lung function in smokers.

Original languageEnglish (US)
Pages (from-to)323-328
Number of pages6
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume166
Issue number3
DOIs
StatePublished - Aug 1 2002

Fingerprint

Antioxidants
Lung
Genes
Heme Oxygenase-1
Genotype
Forced Expiratory Volume
Chronic Obstructive Pulmonary Disease
Odds Ratio
National Heart, Lung, and Blood Institute (U.S.)
Ethnic Groups
Oxidative Stress
Smoking
Alleles
Health

Keywords

  • Forced expiratory volume
  • Genetic predisposition to disease
  • Obstructive lung diseases

Cite this

Antioxidant gene polymorphisms and susceptibility to a rapid decline in lung function in smokers. / He, Jian Qing; Ruan, Jian; Connett, John E; Anthonisen, Nicholas R.; Paré, Peter D.; Sandford, Andrew J.

In: American Journal of Respiratory and Critical Care Medicine, Vol. 166, No. 3, 01.08.2002, p. 323-328.

Research output: Contribution to journalArticle

He, Jian Qing ; Ruan, Jian ; Connett, John E ; Anthonisen, Nicholas R. ; Paré, Peter D. ; Sandford, Andrew J. / Antioxidant gene polymorphisms and susceptibility to a rapid decline in lung function in smokers. In: American Journal of Respiratory and Critical Care Medicine. 2002 ; Vol. 166, No. 3. pp. 323-328.
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