Oxidative stress and inflammation in acute and chronic lung injuries

FS Bezerra, M Lanzetti, RT Nesi, AC Nagato, CP Silva… - Antioxidants, 2023 - mdpi.com
Acute and chronic lung injuries are among the leading causes of mortality worldwide. Lung
injury can affect several components of the respiratory system, including the airways …

Hyperoxia-induced signal transduction pathways in pulmonary epithelial cells

TE Zaher, EJ Miller, DMP Morrow, M Javdan… - Free Radical Biology …, 2007 - Elsevier
Mechanical ventilation with hyperoxia is necessary to treat critically ill patients. However,
prolonged exposure to hyperoxia leads to the generation of excessive reactive oxygen …

Constitutive ERK MAPK activity regulates macrophage ATP production and mitochondrial integrity

MM Monick, LS Powers, CW Barrett… - The Journal of …, 2008 - journals.aai.org
A unique feature of human alveolar macrophages is their prolonged survival in the face of a
stressful environment. We have shown previously that the ERK MAPK is constitutively active …

Neutrophil elastase induces IL-8 gene transcription and protein release through p38/NF-κB activation via EGFR transactivation in a lung epithelial cell line

I Kuwahara, EP Lillehoj, W Lu… - … of Physiology-Lung …, 2006 - journals.physiology.org
In this study, we investigated the regulation and mechanism of IL-8 expression by A549
human lung carcinoma cells treated with neutrophil elastase (NE). NE-treated cells exhibited …

Mitochondrial aldehyde dehydrogenase attenuates hyperoxia-induced cell death through activation of ERK/MAPK and PI3K-Akt pathways in lung epithelial cells

D Xu, JR Guthrie, S Mabry, TM Sack… - American Journal of …, 2006 - journals.physiology.org
Oxygen toxicity is one of the major risk factors in the development of the chronic lung
disease or bronchopulmonary dysplasia in premature infants. Using proteomic analysis, we …

Effects of hyperoxic exposure on signal transduction pathways in the lung

A Porzionato, MM Sfriso, A Mazzatenta… - Respiratory physiology …, 2015 - Elsevier
Exposure to supraphysiological concentrations of oxygen is often applied in clinical practice
to enhance oxygenation in acute or chronic lung injury. However, hyperoxic exposure is …

Protection of epithelial cells by keratincoyte growth factor signaling

P Ray - Proceedings of the American Thoracic Society, 2005 - atsjournals.org
Oxidative injury to the lung is associated with widespread injury to the alveolar epithelium,
which can be fatal unless the process is controlled and repaired. Keratinocyte growth factor …

Epidermal Growth Factor Receptor Inhibition Is Protective in Hyperoxia‐Induced Lung Injury

ZM Harris, Y Sun, J Joerns, B Clark… - Oxidative Medicine …, 2022 - Wiley Online Library
Aims. Studies have linked severe hyperoxia, or prolonged exposure to very high oxygen
levels, with worse clinical outcomes. This study investigated the role of epidermal growth …

Endothelial Akt activation by hyperoxia: role in cell survival

A Ahmad, S Ahmad, LY Chang, J Schaack… - Free radical biology and …, 2006 - Elsevier
High oxygen concentrations (hyperoxia), often required in the treatment of preterm infants
and critically ill patients, cause lung injury, targeting especially the endothelium. Exposure of …

Cyr61 protects against hyperoxia-induced cell death via Akt pathway in pulmonary epithelial cells

Y Jin, HP Kim, E Ifedigbo, LF Lau… - American journal of …, 2005 - atsjournals.org
We have used gene expression profiling approaches to identify new molecular targets in
various models of lung injury and human lung diseases. Among the many genes that are …