Abstract
The respiratory tract as the main entrance for various inhalative substances has great potential to generate reactive species directly or indirectly in excess. Thus, heavy smokers are at high risk for development, impairment and failed response to treatment of chronic obstructive pulmonary disease (COPD). The article is an update regarding the influence of reactive oxygen (ROS) and nitrogen (RNS) species on COPD; however, we do not intend to describe ROS and RNS actions on the entire lung tissue. Here, we focus on the airways, because in human most of the described effects of ROS and RNS species are measured on respiratory epithelial cells obtained by bronchoscopy. ROS and RNS species are physiological compounds in cells and risk factors for several respiratory diseases. In general, both kinds of species are thermodynamically stabile, but their reaction behaviors in cellular environments are very different. For example, the life times of the superoxide anion radical range from micro/milliseconds up to minutes and even hours in in-vitro model systems. Oxidative stress by cigarette smoke was investigated in detail by the authors of this article. In addition, original studies by the authors on the amount of fine particulate matter and trace elements in lung biopsies after defined inhalation indicate a distortion of the equilibrium between oxidants and antioxidants. We also try to present some modern views with respect to genomic medicine for future therapeutic perspectives, although this is an upcoming sector of COPD therapy.
Keywords: reactive oxygen species, oxidative stress, lung tissue, therapeutic strategies, internal medicine, respiratory medicine, genomic medicine
Current Pharmaceutical Biotechnology
Title: Chronic Obstructive Pulmonary Disease and Oxidative Stress
Volume: 7 Issue: 2
Author(s): W. Domej, Z. Foldes-Papp, E. Flogel and B. Haditsch
Affiliation:
Keywords: reactive oxygen species, oxidative stress, lung tissue, therapeutic strategies, internal medicine, respiratory medicine, genomic medicine
Abstract: The respiratory tract as the main entrance for various inhalative substances has great potential to generate reactive species directly or indirectly in excess. Thus, heavy smokers are at high risk for development, impairment and failed response to treatment of chronic obstructive pulmonary disease (COPD). The article is an update regarding the influence of reactive oxygen (ROS) and nitrogen (RNS) species on COPD; however, we do not intend to describe ROS and RNS actions on the entire lung tissue. Here, we focus on the airways, because in human most of the described effects of ROS and RNS species are measured on respiratory epithelial cells obtained by bronchoscopy. ROS and RNS species are physiological compounds in cells and risk factors for several respiratory diseases. In general, both kinds of species are thermodynamically stabile, but their reaction behaviors in cellular environments are very different. For example, the life times of the superoxide anion radical range from micro/milliseconds up to minutes and even hours in in-vitro model systems. Oxidative stress by cigarette smoke was investigated in detail by the authors of this article. In addition, original studies by the authors on the amount of fine particulate matter and trace elements in lung biopsies after defined inhalation indicate a distortion of the equilibrium between oxidants and antioxidants. We also try to present some modern views with respect to genomic medicine for future therapeutic perspectives, although this is an upcoming sector of COPD therapy.
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Cite this article as:
Domej W., Foldes-Papp Z., Flogel E. and Haditsch B., Chronic Obstructive Pulmonary Disease and Oxidative Stress, Current Pharmaceutical Biotechnology 2006; 7 (2) . https://dx.doi.org/10.2174/138920106776597676
DOI https://dx.doi.org/10.2174/138920106776597676 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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