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Hyperoxia Impairs Alveolar Formation and Induces Senescence Through Decreased Histone Deacetylase Activity and Up-Regulation of p21 in Neonatal Mouse Lung

27 Jan 2011

Abstract excerpt

Alveolar development comprises the transition of lung architecture from saccules to gas-exchange units during late gestation and early postnatal development. Exposure to hyperoxia disrupts developmental signaling pathways and causes alveolar hypoplasia as seen in bronchopulmonary dysplasia affecting preterm human newborns. Expanding literature suggests that epigenetic changes caused by environmental triggers...

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PMID: 21270677
DOI: 10.1203/pdr.0b013e318211c917

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