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Full-Text Articles in Medicine and Health Sciences

Inhibition Of Mtor Signaling Protects Against Myocardial Reperfusion Injury, Acute Myocardial Infarction, Scott M. Filippone Jan 2015

Inhibition Of Mtor Signaling Protects Against Myocardial Reperfusion Injury, Acute Myocardial Infarction, Scott M. Filippone

Theses and Dissertations

Acute myocardial infarction (AMI) is the leading cause of death worldwide. Currently, the best method of treating cardiac ischemia is early reperfusion which, itself, induces myocardial damage. The mTOR complex is a key regulator of cardioprotection against cell stressors. We hypothesized that reperfusion therapy with Rapamycin, a potent mTOR inhibitor, would reduce infarct size in adult mouse hearts. Rapamycin was administered at the onset of reperfusion following 30 min in situ LAD ligation. After 24 hours of reperfusion, myocardial infarct size and apoptosis were significantly reduced in rapamycin-treated mice compared to control. Rapamycin inhibited pro-apoptotic protein Bax and phosphorylation of …


Rapid Determination Of Reduced And Oxidized Glutathione Levels Using A New Thiol-Masking Reagent And The Enzymatic Recycling Method: Application To The Rat Liver And Bile Samples, Imam H. Shaik, Reza Mehvar Jan 2006

Rapid Determination Of Reduced And Oxidized Glutathione Levels Using A New Thiol-Masking Reagent And The Enzymatic Recycling Method: Application To The Rat Liver And Bile Samples, Imam H. Shaik, Reza Mehvar

Pharmacy Faculty Articles and Research

A microtiter plate assay for quantitation of reduced (GSH) and oxidized (GSSG) glutathione in the rat liver tissue and bile is described. The assay is based on the established enzymatic recycling method and a new thiol-masking reagent, 1-methyl-4-vinyl-pyridinium trifluoromethane sulfonate (M4VP). Samples were first processed by homogenization with (liver) or addition of (bile) sulfosalicylic acid. The total glutathione and GSSG were then determined before and after rapid (>= 2 min) and efficient (100%) masking of the GSH content of the samples with M4VP followed by the enzymatic recycling assay. The percentages of error and coefficient of variation of the …


Seventeen Amino Acid Peptide (Peptide P) For Treating Ischemia And Reperfusion Injury, Peter R. Oeltgen, Mark S. Kindy Nov 2005

Seventeen Amino Acid Peptide (Peptide P) For Treating Ischemia And Reperfusion Injury, Peter R. Oeltgen, Mark S. Kindy

Molecular and Cellular Biochemistry Faculty Patents

Peptide P, having the amino acid sequence Tyr-D-Ala-Phe-Ala-Asp-Val-Ala-Ser-Thr-Ile-Gly-Asp-Phe-His-Ser-Ile-NH2-SEQ ID NO:1, is useful to treat ischemia.


Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez May 2005

Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez

Molecular and Cellular Biochemistry Faculty Patents

A compound and method for using the compound to reduce injury associated with ischemia and reperfusion of mammalian organs such as the heart. The compound, either Deltorphin A and/or Dermorphin H, may be administered as part of a preconditioning strategy which reduces the extent of injury and improves organ function following cessation and restoration of blood flow. The compound may be used in preparation for planned ischemia or in a prophylactic manner in anticipation of further ischemic events.


Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez Nov 2003

Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez

Molecular and Cellular Biochemistry Faculty Patents

A compound and method for using compound-D SEQ ID NO:1 to reduce injury associated with ischemia and reperfusion of mammalian organs such as the heart. The compound may be administered as part of a preconditioning strategy which reduces the extent of injury and improves organ function following cessation and restoration of blood flow. The compound may be used in preparation for planned ischemia or in a prophylactic manner in anticipation of further ischemic events.


Seventeen Amino Acid Peptide (Peptide P) For Treating Ischemia And Reperfusion Injury, Peter R. Oeltgen, Mark S. Kindy Apr 2003

Seventeen Amino Acid Peptide (Peptide P) For Treating Ischemia And Reperfusion Injury, Peter R. Oeltgen, Mark S. Kindy

Molecular and Cellular Biochemistry Faculty Patents

Peptide P, having the amino acid sequence Tyr-D-Ala-Phe-Ala-Asp-Val-Ala-Ser-Thr-Ile-Gly-Asp-Phe-Phe-His-Ser-Ile-NH2, is useful to treat ischemia.


Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez Nov 2001

Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez

Molecular and Cellular Biochemistry Faculty Patents

A compound and method for using the compound to reduce injury associated with ischemia and reperfusion of mammalian organs such as the heart. The compound may be administered as part of a preconditioning strategy which reduces the extent of injury and improves organ function following cessation and restoration of blood flow. The compound may be used in preparation for planned ischemia or in a prophylactic manner in anticipation of further ischemic events.


Method For Treating Ischemia, Peter R. Oeltgen, Mark S. Kindy, Paul D. Bishop Sep 2001

Method For Treating Ischemia, Peter R. Oeltgen, Mark S. Kindy, Paul D. Bishop

Molecular and Cellular Biochemistry Faculty Patents

A method for treating ischemia by administering deltorphins to a mammal. Deltorphin I SEQ ID NO:1, delntorphin II SEQ ID NO:2 or combinations of deltorphins I SEQ ID NO:1 and II SEQ ID NO:2 may be administered. A deltorphin concentration of about 0.5-20 mg/kg body weight, or alternatively a lower concentration of about 1-1000 μg/kg body weight of the mammal in a physiologically acceptable formulation is administered up to four hours after an ischemic episode. Deltorphins may also be administered prior to or concurrently with onset of ischemia. Cerebral or spinal cord ischemia or ischemic heart disease may be treated …