Hongxing Dang

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The aim of the present study was to observe the expression of sonic hedgehog (Shh) and Ptc signaling molecules in the lungs of newborn rats exposed to prolonged hyperoxia, and to explore the role of the SHH signaling pathway in hyperoxia‑induced lung injury. Newborn Sprague-Dawley rat pups were placed in chambers containing room air or oxygen above 95% for(More)
Therapies with prolonged exposure to high-concentration oxygen are common in the treatment of critical pulmonary and cardiac conditions in newborns. However, prolonged exposure to hyperoxia could result in lung damages and developmental disorders manifested as acute lung injury and bronchopulmonary dysplasia, respectively. Calcitonin gene-related peptide(More)
The aim of the study was to investigate the effects of substance P (SP) in hyperoxia‑induced lung injury in newborn rats and to elucidate its protective mechanism of action via the sonic hedgehog (SHH) signaling pathway. Twelve‑hour‑old neonatal Sprague‑Dawley rats were randomly divided into one of four groups: air, hyperoxia, air + SP and hyperoxia + SP.(More)
Oxidative stress injury and cell death in alveolar epithelial cells may lead to abnormal repair, further resulting in acute and chronic pulmonary diseases. Substance P (SP) has multiple biological activities. The Sonic hedgehog (SHH) pathway is important in lung development and decreasing epithelial injury. To investigate the effects of SP on alveolar(More)
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