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Articles 1 - 4 of 4
Full-Text Articles in Respiratory System
Hsp70 Is A Critical Regulator Of Hsp90 Inhibitor's Effectiveness In Preventing Hcl-Induced Chronic Lung Injury And Pulmonary Fibrosis, Ruben M. L. Colunga Biancatelli, Pavel A. Solopov, Tierney Day, Betsy Gregory, Michael Osei-Nkansah, Christiana Dimitropoulou, John D. Catravas
Hsp70 Is A Critical Regulator Of Hsp90 Inhibitor's Effectiveness In Preventing Hcl-Induced Chronic Lung Injury And Pulmonary Fibrosis, Ruben M. L. Colunga Biancatelli, Pavel A. Solopov, Tierney Day, Betsy Gregory, Michael Osei-Nkansah, Christiana Dimitropoulou, John D. Catravas
Bioelectrics Publications
Exposure to hydrochloric acid (HCl) can provoke acute and chronic lung injury. Because of its extensive production for industrial use, frequent accidental exposures occur, making HCl one of the top five chemicals causing inhalation injuries. There are no Food and Drug Administration (FDA)-approved treatments for HCl exposure. Heat shock protein 90 (HSP90) inhibitors modulate transforming growth factor-β (TGF-β) signaling and the development of chemical-induced pulmonary fibrosis. However, little is known on the role of Heat Shock Protein 70 (HSP70) during injury and treatment with HSP90 inhibitors. We hypothesized that administration of geranylgeranyl-acetone (GGA), an HSP70 inducer, or gefitinib (GFT), an …
Hsp90 Inhibitors Modulate Sars-Cov-2 Spike Protein Subunit 1-Induced Human Pulmonary Microvascular Endothelial Activation And Barrier Dysfunction, Ruben Manuel Luciano Colunga Biancatelli, Pavel Solopov, Betsy W. Gregory, Yara Khodour, John D. Catravas
Hsp90 Inhibitors Modulate Sars-Cov-2 Spike Protein Subunit 1-Induced Human Pulmonary Microvascular Endothelial Activation And Barrier Dysfunction, Ruben Manuel Luciano Colunga Biancatelli, Pavel Solopov, Betsy W. Gregory, Yara Khodour, John D. Catravas
Bioelectrics Publications
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has caused more than 5 million deaths worldwide. Multiple reports indicate that the endothelium is involved during SARS-Cov-2-related disease (COVID-19). Indeed, COVID-19 patients display increased thrombophilia with arterial and venous embolism and lung microcapillary thrombotic disease as major determinants of deaths. The pathophysiology of endothelial dysfunction in COVID-19 is not completely understood. We have investigated the role of subunit 1 of the SARS-CoV-2 spike protein (S1SP) in eliciting endothelial barrier dysfunction, characterized dose and time relationships, and tested the hypothesis that heat shock protein 90 (HSP90) inhibitors would prevent and repair such injury. S1SP …
Optimizing Antidotal Treatment With The Oral Hsp90 Inhibitor Tas-116 Against Hydrochloric Acid-Induced Pulmonary Fibrosis In Mice, Pavel A. Solopov, Ruben Manuel Luciano Colunga Biancatelli, Christiana Dimitropolou, Tierney Day, John Catravas
Optimizing Antidotal Treatment With The Oral Hsp90 Inhibitor Tas-116 Against Hydrochloric Acid-Induced Pulmonary Fibrosis In Mice, Pavel A. Solopov, Ruben Manuel Luciano Colunga Biancatelli, Christiana Dimitropolou, Tierney Day, John Catravas
Bioelectrics Publications
Exposure to high concentrations of hydrochloric acid (HCl) can lead to severe acute and chronic lung injury. In the aftermath of accidental spills, victims may be treated for the acute symptoms, but the chronic injury is often overlooked. We have developed a mouse model of acute and chronic lung injury, in which the peak of acute lung injury occurs on the day 4 after HCl exposure. We have also demonstrated that HSP90 inhibitors are effective antidotes when administered starting 24 h after HCl. In this study we examined the hypothesis that the novel oral HSP90 inhibitor TAS-116 can effectively ameliorate …
Transforming Growth Factor-Β1 Decreases Β2-Agonist–Induced Relaxation In Human Airway Smooth Muscle, Christie A. Ojiaku, Elena Chung, Vishal Parikh, Jazmean K. Williams, Anthony Schwab, Ana Lucia Fuentes, Maia L. Corpuz, Victoria Lui, Sam Paek, Natalia M. Bexiga, Shreya Narayan, Francisco J. Nunez, Kwangmi An, Rennolds S. Ostrom, Steven S. An, Reynold A. Pannettieri Jr.
Transforming Growth Factor-Β1 Decreases Β2-Agonist–Induced Relaxation In Human Airway Smooth Muscle, Christie A. Ojiaku, Elena Chung, Vishal Parikh, Jazmean K. Williams, Anthony Schwab, Ana Lucia Fuentes, Maia L. Corpuz, Victoria Lui, Sam Paek, Natalia M. Bexiga, Shreya Narayan, Francisco J. Nunez, Kwangmi An, Rennolds S. Ostrom, Steven S. An, Reynold A. Pannettieri Jr.
Pharmacy Faculty Articles and Research
Helper T effector cytokines implicated in asthma modulate the contractility of human airway smooth muscle (HASM) cells. We have reported recently that a profibrotic cytokine, transforming growth factor (TGF)-β1, induces HASM cell shortening and airway hyperresponsiveness. Here, we assessed whether TGF-β1 affects the ability of HASM cells to relax in response to β2-agonists, a mainstay treatment for airway hyperresponsiveness in asthma. Overnight TGF-β1 treatment significantly impaired isoproterenol (ISO)-induced relaxation of carbachol-stimulated, isolated HASM cells. This single-cell mechanical hyporesponsiveness to ISO was corroborated by sustained increases in myosin light chain phosphorylation. In TGF-β1–treated HASM cells, ISO evoked markedly lower …