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Front Med (Lausanne). 2018 Dec 10;5:334. doi: 10.3389/fmed.2018.00334. eCollection 2018.

Lung-Specific Extracellular Superoxide Dismutase Improves Cognition of Adult Mice Exposed to Neonatal Hyperoxia.

Frontiers in medicine

Bradley W Buczynski, Nguyen Mai, Min Yee, Joshua L Allen, Landa Prifti, Deborah A Cory-Slechta, Marc W Halterman, Michael A O'Reilly

Affiliations

  1. Department of Environmental Medicine, University of Rochester, Rochester, NY, United States.
  2. Department of Neurology, University of Rochester, Rochester, NY, United States.
  3. Department of Pediatrics, School of Medicine and Dentistry, University of Rochester, Rochester, NY, United States.

PMID: 30619855 PMCID: PMC6295554 DOI: 10.3389/fmed.2018.00334

Abstract

Lung and brain development is often altered in infants born preterm and exposed to excess oxygen, and this can lead to impaired lung function and neurocognitive abilities later in life. Oxygen-derived reactive oxygen species and the ensuing inflammatory response are believed to be an underlying cause of disease because over-expression of some anti-oxidant enzymes is protective in animal models. For example, neurodevelopment is preserved in mice that ubiquitously express human extracellular superoxide dismutase (EC-SOD) under control of an actin promoter. Similarly, oxygen-dependent changes in lung development are attenuated in transgenic

Keywords: anti-oxidants; hyperoxia; long-term consequences; mice; neonatal; neurocognitive; pulmonary

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