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lüll The role of hyperoxia in the pathogenesis of experimental BPD Buczynski BW; Maduekwe ET; O'Reilly MASemin Perinatol 2013[Apr]; 37 (2): 69-78Supplemental oxygen is often used as a life-saving therapy in the treatment of preterm infants. However, its protracted use can lead to the development of bronchopulmonary dysplasia (BPD), and more recently, has been associated with adversely affecting the general health of children and adolescents who were born preterm. Efforts to understand how exposure to excess oxygen can disrupt lung development have historically focused on the interplay between oxidative stress and antioxidant defense mechanisms. However, there has been a growing appreciation for how changes in gene-environment interactions occurring during critically important periods of organ development can profoundly affect human health and disease later in life. Here, we review the concept that oxygen is an environmental stressor that may play an important role at birth to control normal lung development via its interactions with genes and cells. Understanding how changes in the oxygen environment have the potential to alter the developmental programing of the lung, such that it now proceeds along a different developmental trajectory, could lead to novel therapies in the prevention and treatment of respiratory diseases, such as BPD.|Animals[MESH]|Animals, Newborn[MESH]|Bronchopulmonary Dysplasia/*etiology[MESH]|Disease Models, Animal[MESH]|Gene-Environment Interaction[MESH]|Humans[MESH]|Hyperoxia/etiology/*physiopathology[MESH]|Infant, Newborn[MESH]|Infant, Premature/growth & development[MESH]|Lung/*growth & development[MESH]|Oxidative Stress[MESH]|Oxygen Inhalation Therapy/*adverse effects[MESH]|Respiration, Artificial/*adverse effects[MESH] |