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Articles 1 - 3 of 3
Full-Text Articles in Medical Microbiology
Expression And Function Of Hypoxia Inducible Factor-1 Alpha In Human Melanoma Under Non-Hypoxic Conditions, Caroline N. Mills, Sandeep S. Joshi, Richard M. Niles
Expression And Function Of Hypoxia Inducible Factor-1 Alpha In Human Melanoma Under Non-Hypoxic Conditions, Caroline N. Mills, Sandeep S. Joshi, Richard M. Niles
Biochemistry and Microbiology
Background
Hypoxia inducible factor-1 alpha (HIF-1α) protein is rapidly degraded under normoxic conditions. When oxygen tensions fall HIF-1α protein stabilizes and transactivates genes involved in adaptation to hypoxic conditions. We have examined the normoxic expression of HIF-1α RNA and protein in normal human melanocytes and a series of human melanoma cell lines isolated from radial growth phase (RGP), vertical growth phase (VGP) and metastatic (MET) melanomas.
Results
HIF-1α mRNA and protein was increased in RGP vs melanocytes, VGP vs RGP and MET vs VGP melanoma cell lines. We also detected expression of a HIF-1α mRNA splice variant that lacks part …
Acetaminophen Combinations Protect Against Iron-Induced Cardiac Damage In Gerbils, Ernest M. Walker Jr., Ryan G. Morrison, Lucy Dornon, Joseph P. Laurino, Sandra M. Walker, Mark Studeny, Paulette S. Wehner, Kevin M. Rice, Miaozong Wu, Eric R. Blough
Acetaminophen Combinations Protect Against Iron-Induced Cardiac Damage In Gerbils, Ernest M. Walker Jr., Ryan G. Morrison, Lucy Dornon, Joseph P. Laurino, Sandra M. Walker, Mark Studeny, Paulette S. Wehner, Kevin M. Rice, Miaozong Wu, Eric R. Blough
MIIR Faculty Research
This study tested if acetaminophen, N-methyl-D-glucamine dithiocarbamate (NMGDTC), deferoxamine, and combinations of these agents reduce excess iron content, prevent iron-induced pathology, reduce cardiac arrhythmias, and reduce mortality in iron-overloaded gerbils. Eight groups of 16 gerbils received iron dextran injections (ferric hydroxide dextran complex, 120 mg/kg, ip) or saline solution (controls) twice/wk for 8 wk. The 8 groups were treated every Monday, Wednesday, and Friday with one of the following: saline control, acetaminophen, 150 mg/kg, ip), acetaminophen (150 mg/kg, po), deferoxamine, 83 mg/kg, ip), NMGDTC (200 mg/kg, ip), or combinations of acetaminophen (75 mg/kg) with deferoxamine (42 mg/kg, each ip, separately) …
Corr4a And Vrt325 Do Not Reduce The Inflammatory Response To P. Aeruginosa In Human Cystic Fibrosis Airway Epithelial Cells, Laleh Talebian, Bonita Coutermarsh, Jacqueline Y. Channon, Bruce A. Stanton
Corr4a And Vrt325 Do Not Reduce The Inflammatory Response To P. Aeruginosa In Human Cystic Fibrosis Airway Epithelial Cells, Laleh Talebian, Bonita Coutermarsh, Jacqueline Y. Channon, Bruce A. Stanton
Dartmouth Scholarship
P. aeruginosa chronically colonizes the lung in CF patients and elicits a proinflammatory response. Excessive secretion of IL-6 and IL-8 by CF airway cells in response to P. aeruginosa infection in the CF airway is though to contribute to lung injury. Accordingly, the goal of this study was to test the hypothesis that Corr4a and VRT325, investigational compounds that increase ΔF508-CFTR mediated Cl− secretion in human CF airway cells, reduce the pro-inflammatory response to P. aeruginosa.