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Articles 1 - 6 of 6
Full-Text Articles in Medicine and Health Sciences
Dextran-Methylprednisolone Succinate As A Prodrug Of Methylprednisolone: Plasma And Tissue Disposition, Xiaoping Zhang, Reza Mehvar
Dextran-Methylprednisolone Succinate As A Prodrug Of Methylprednisolone: Plasma And Tissue Disposition, Xiaoping Zhang, Reza Mehvar
Pharmacy Faculty Articles and Research
Plasma and tissue disposition of a macromolecular prodrug of methylprednisolone (MP), dextran (70 kDa)–methylprednisolone succinate (DMP), was studied in rats. Single 5‐mg/kg doses of DMP or unconjugated MP were administered into the tail veins of different groups of rats (n = 4/group/time point). Blood (cardiac puncture) and tissues (liver, spleen, kidney, heart, lung, thymus, and brain) were collected at various times after DMP (0–96 h) or MP (0–2 h) injections. Concentrations of DMP and MP in samples were analyzed by size‐exclusion chromatography (SEC) and reversed‐phase high‐performance liquid chromatography (HPLC), respectively. Conjugation of MP with 70‐kDa dextran resulted in 22‐, …
Conflict Of Interest And Physical Therapy, Mike W. Martin, Donald L. Gabard
Conflict Of Interest And Physical Therapy, Mike W. Martin, Donald L. Gabard
Philosophy Faculty Books and Book Chapters
'In a chapter entitled “Conflict of Interest & Physical Therapy”, authors Martin & Gabard offer a cogent definition. They write simply, “conflicts of interest are situations in which individuals have interests that significantly threaten their role responsibilities, or would do so for a typical person having their role.” Likewise, Davis describes the standard view of conflict of interest as a situation in which a person P is in a relationship requiring P to exercise some judgment on another’s behalf and P has an interest “tending to interfere with the proper exercise of that judgment”. With regard to professional conflicts of …
Ethics As Therapy: Philosophical Counseling And Psychological Health, Mike W. Martin
Ethics As Therapy: Philosophical Counseling And Psychological Health, Mike W. Martin
Philosophy Faculty Articles and Research
From the inception of philosophical counseling an attempt was made to distinguish it from (psychological) therapy by insisting that therapy could not be more misleading. It is true that philosophical counselors should not pretend to be able to heal major mental illness; nevertheless they do contribute to positive health—health understood as something more than the absence of mental disease. This thesis is developed by critiquing Lou Marinoff’s book, Plato not Prozac!, but also by ranging more widely in the literature on philosophical counseling. I also interpret philosophical counseling as a form of philosophical ethics.
Receptor Number And Caveolar Co-Localization Determine Receptor Coupling Efficiency To Adenylyl Cyclase, Rennolds S. Ostrom, Caroline Gregorian, Ryan M. Drenan, Yang Xiang, John W. Regan, Paul A. Insel
Receptor Number And Caveolar Co-Localization Determine Receptor Coupling Efficiency To Adenylyl Cyclase, Rennolds S. Ostrom, Caroline Gregorian, Ryan M. Drenan, Yang Xiang, John W. Regan, Paul A. Insel
Pharmacy Faculty Articles and Research
Recent evidence suggests that many signaling molecules localize in microdomains of the plasma membrane, particularly caveolae. In this study, overexpression of adenylyl cyclase was used as a functional probe of G protein-coupled receptor (GPCR) compartmentation. We found that three endogenous receptors in neonatal rat cardiomyocytes couple with different levels of efficiency to the activation of adenylyl cyclase type 6 (AC6), which localizes to caveolin-rich membrane fractions. Overexpression of AC6 enhanced the maximal cAMP response to β1-adrenergic receptor (β1AR)-selective activation 3.7-fold, to β2AR-selective activation only 1.6-fold and to prostaglandin E2 (PGE2) not at all. Therefore, the rank order of efficacy in …
Antioxidation Activity Of Dhea And Its Mechanisms, Sun Yang, Han Rui
Antioxidation Activity Of Dhea And Its Mechanisms, Sun Yang, Han Rui
Pharmacy Faculty Articles and Research
Objective: The aim of this study was to determine the anti-oxidative activity of a new chemopreventive agent--dehydroepiandrosterone (DHEA), and the mechanisms of action by which DHEA protect the thymocytes and DNA from oxidative damage. Methods: Agarose gel electrophoresis, flow cytometry, single cel! gel electrophoresis, chemiluminescence assay, triazolyl blue tetrazolumbromide (MTT) colorimetry, and three dimensional collagen gel assay were used. Results: In agarose gel electrophoresis, 10 nmol/L DHEA blocked the typical DNA degradation (DNA Ladder) induced by H2O2. DHEA 2. 5 nmol/L and 10 nmol/L both significantly decreased the percentage of characteristic apoptotic DNA …
Stereospecific Pharmacokinetics And Pharmacodynamics Of Beta-Adrenergic Blockers In Humans, Reza Mehvar, Dion R. Brocks
Stereospecific Pharmacokinetics And Pharmacodynamics Of Beta-Adrenergic Blockers In Humans, Reza Mehvar, Dion R. Brocks
Pharmacy Faculty Articles and Research
The beta-blockers comprise a group of drugs that are mostly used to treat cardiovascular disorders such as hypertension, cardiac arrhythmia, or ischemic heart disease. Each of these drugs possesses at least one chiral center, and an inherent high degree of enantioselectivity in binding to the b-adrenergic receptor. For beta-blockers with a single chiral center, the (-) enantiomer possesses much greater affinity for binding to the b-adrenergic receptors than antipode. The enantiomers of some of these drugs possess other effects, such as antagonism at alpha-adrenergic receptors or Class III antiarrhythmic activity. However, these effects generally display a lower level of stereoselectivity …