Journal Article

Oxidative Stress and Pulmonary Function in the General Population

Heather M. Ochs-Balcom, Brydon J. B. Grant, Paola Muti, Christopher T. Sempos, Jo L. Freudenheim, Richard W. Browne, Maurizio Trevisan, Licia Iacoviello, Patricia A. Cassano and Holger J. Schünemann

in American Journal of Epidemiology

Published on behalf of Johns Hopkins Bloomberg School of Public Health

Volume 162, issue 12, pages 1137-1145
Published in print December 2005 | ISSN: 0002-9262
Published online November 2005 | e-ISSN: 1476-6256 | DOI: http://dx.doi.org/10.1093/aje/kwi339
Oxidative Stress and Pulmonary Function in the General Population

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Studies have shown increased oxidative stress in patients with chronic airflow limitation; however, the population-based evidence for the association of oxidative stress with pulmonary function is limited. The authors analyzed the association of plasma thiobarbituric acid-reactive substances (TBARS), glutathione, glutathione peroxidase, and 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox)-equivalent antioxidant capacity with forced expiratory volume in 1 second and forced vital capacity using data collected from 1996 to 2000 in a general population sample from western New York State (n = 2,346). After adjustment for covariates including smoking status, lifetime pack-years of smoking, education, weight, and eosinophils, multivariate analysis showed an inverse association of TBARS with forced expiratory volume in 1 second and forced vital capacity as the percentage of the predicted value (FEV1% and FVC%, respectively), positive associations of glutathione peroxidase with FEV1% and FVC%, and an inverse association of glutathione with FEV1% in men (p < 0.05). The associations of TBARS and glutathione peroxidase with FVC% in men remained statistically significant after adjustment for serum carotenoid levels. There were no statistically significant associations of oxidative stress with pulmonary function in women. These results suggest that oxidative stress may be associated with airflow limitation in men, and that gender differences may exist in the relation of oxidative stress to pulmonary function.

Keywords: forced expiratory volume; glutathione; glutathione peroxidase; oxidative stress; respiratory function tests; thiobarbituric acid reactive substances; vital capacity; FEV1, forced expiratory volume in 1 second; FEV1%, forced expiratory volume in 1 second as the percentage of the predicted value; FVC, forced vital capacity; FVC%, forced vital capacity as the percentage of the predicted value; TBARS, thiobarbituric acid-reactive substances; TEAC, Trolox-equivalent antioxidant capacity

Journal Article.  5702 words. 

Subjects: Public Health and Epidemiology

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