COPD: balancing oxidants and antioxidants.

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2015

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Abstract

Chronic obstructive pulmonary disease (COPD) is one of the most common chronic illnesses in the world. The disease encompasses emphysema, chronic bronchitis, and small airway obstruction and can be caused by environmental exposures, primarily cigarette smoking. Since only a small subset of smokers develop COPD, it is believed that host factors interact with the environment to increase the propensity to develop disease. The major pathogenic factors causing disease include infection and inflammation, protease and antiprotease imbalance, and oxidative stress overwhelming antioxidant defenses. In this review, we will discuss the major environmental and host sources for oxidative stress; discuss how oxidative stress regulates chronic bronchitis; review the latest information on genetic predisposition to COPD, specifically focusing on oxidant/antioxidant imbalance; and review future antioxidant therapeutic options for COPD. The complexity of COPD will necessitate a multi-target therapeutic approach. It is likely that antioxidant supplementation and dietary antioxidants will have a place in these future combination therapies.

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Chinese herbs, acupuncture, cigarette smoking, dietary antioxidants, gene regulation, mucins, Animals, Antioxidants, Epigenesis, Genetic, Gene Expression Regulation, Gene-Environment Interaction, Humans, Lung, Mucins, Oxidants, Oxidative Stress, Pulmonary Disease, Chronic Obstructive, Risk Factors, Smoking

Citation

Published Version (Please cite this version)

10.2147/COPD.S42414

Publication Info

Fischer, Bernard M, Judith A Voynow and Andrew J Ghio (2015). COPD: balancing oxidants and antioxidants. Int J Chron Obstruct Pulmon Dis, 10. pp. 261–276. 10.2147/COPD.S42414 Retrieved from https://hdl.handle.net/10161/13742.

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