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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
Prophylactic Intravenous Prehydration With Sodium Bicarbonate Or Sodium Chloride In The Prevention Of Contrast Induced Acute Kidney Injury, Briana Lockett, Caroline Dong
Prophylactic Intravenous Prehydration With Sodium Bicarbonate Or Sodium Chloride In The Prevention Of Contrast Induced Acute Kidney Injury, Briana Lockett, Caroline Dong
Physician Assistant Capstones, 2020-current
Introduction: Iodinated contrast media is a crucial component in the diagnostic work up of many life-threatening illnesses. However, it has been reported to cause acute kidney injury after administration, especially in patients with pre-existing renal disease. Several prophylactic treatments have been studied in hopes of minimizing these adverse events. The current standard of care in this patient population is prophylactic intravenous volume administration with either sodium chloride or sodium bicarbonate. Objective: The goal of this literature review is to determine if prophylactic intravenous volume administration with either saline or sodium bicarbonate prior to contrast administration decreases the incidence of contrast …
Impact Of Alcohol On Bone Health In People Living With Hiv: Integrating Clinical Data From Serum Bone Markers With Morphometric Analysis In A Non-Human Primate Model, Alexandra Denys, Allison Norman, Daniel S. Perrien, Larry J. Suva, Liz Simon, Lee S. Mcdaniel, Tekeda Ferguson, Kim Pedersen, David Welsh, Patricia E. Molina, Martin J.J. Ronis
Impact Of Alcohol On Bone Health In People Living With Hiv: Integrating Clinical Data From Serum Bone Markers With Morphometric Analysis In A Non-Human Primate Model, Alexandra Denys, Allison Norman, Daniel S. Perrien, Larry J. Suva, Liz Simon, Lee S. Mcdaniel, Tekeda Ferguson, Kim Pedersen, David Welsh, Patricia E. Molina, Martin J.J. Ronis
School of Medicine Faculty Publications
People living with HIV (PLWH) represent a vulnerable population to adverse musculoskeletal outcomes due to HIV infection, antiretroviral therapy (ART), and at-risk alcohol use. Developing measures to prevent skeletal degeneration in this group requires a grasp of the relationship between alcohol use and low bone mass in both the PLWH population and its constituents as defined by sex, age, and race. We examined the association of alcohol use with serum biochemical markers of bone health in a diverse cohort of PLWH enrolled in the New Orleans Alcohol Use in HIV (NOAH) study. To explore the effects of alcohol on bone …
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Hormesis refers to dose-response phenomena where low dose treatments elicit a response that is opposite the response observed at higher doses. Hormetic dose-response relationships have been observed throughout all of biology, but the underlying determinants of many reported hormetic dose-responses have not been identified. In this report, we describe a conserved mechanism for hormesis on the molecular level where low dose treatments enhance a response that becomes reduced at higher doses. The hormetic mechanism relies on the ability of protein homo-multimers to simultaneously interact with a substrate and a competitor on different subunits at low doses of competitor. In this …
Channelopathy Of Small- And Intermediate-Conductance Ca2+-Activated K+ Channels, Young-Woo Nam, Miles Downey, Mohammad Asikur Rahman, Meng Cui, Miao Zhang
Channelopathy Of Small- And Intermediate-Conductance Ca2+-Activated K+ Channels, Young-Woo Nam, Miles Downey, Mohammad Asikur Rahman, Meng Cui, Miao Zhang
Pharmacy Faculty Articles and Research
Small- and intermediate-conductance Ca2+-activated K+ (KCa2.x/KCa3.1 also called SK/IK) channels are gated exclusively by intracellular Ca2+. The Ca2+ binding protein calmodulin confers sub-micromolar Ca2+ sensitivity to the channel-calmodulin complex. The calmodulin C-lobe is constitutively associated with the proximal C-terminus of the channel. Interactions between calmodulin N-lobe and the channel S4-S5 linker are Ca2+-dependent, which subsequently trigger conformational changes in the channel pore and open the gate. KCNN genes encode four subtypes, including KCNN1 for KCa2.1 (SK1), KCNN2 for KCa2.2 (SK2), KCNN3 for K …
The Impact Of The Covid-19 Pandemic On Antimicrobial Stewardship Practices And Their Effect On Veterinary Medicine, Erin N. Bradstreet
The Impact Of The Covid-19 Pandemic On Antimicrobial Stewardship Practices And Their Effect On Veterinary Medicine, Erin N. Bradstreet
Honors College
Antimicrobials are essential in the treatment of diseases in both humans and animals, but antimicrobial resistance threatens their efficacy. As more microorganisms become resistant to an ever-growing list of antimicrobials, diseases that used to be simple to treat are becoming increasingly difficult to manage. The major factors contributing to antimicrobial resistance are overuse and misuse of antimicrobials. In order to combat the problem of resistance, antimicrobial stewardship programs that aim to improve antimicrobial prescribing and use practices are becoming increasingly widespread. These programs are quite common in human medicine, but the COVID-19 pandemic disrupted many aspects of life, including antimicrobial …
Late-Stage Chemoenzymatic Installation Of Hydroxy-Bearing Allyl Moiety On The Indole Ring Of Tryptophan-Containing Peptides, Nagaraju Mupparapu, Lauren Brewster, Katrina F. Ostrom, Sherif I. Elshahawi
Late-Stage Chemoenzymatic Installation Of Hydroxy-Bearing Allyl Moiety On The Indole Ring Of Tryptophan-Containing Peptides, Nagaraju Mupparapu, Lauren Brewster, Katrina F. Ostrom, Sherif I. Elshahawi
Pharmacy Faculty Articles and Research
The late-stage functionalization of indole- and tryptophan-containing compounds with reactive moieties facilitates downstream diversification and leads to changes in their biological properties. Here, the synthesis of two hydroxy-bearing allyl pyrophosphates is described. A chemoenzymatic method is demonstrated which uses a promiscuous indole prenyltransferase enzyme to install a dual reactive hydroxy-bearing allyl moiety directly on the indole ring of tryptophan-containing peptides. This is the first report of late-stage indole modifications with this reactive group.
Channelopathy-Causing Mutations In The S45A/S45B And Ha/Hb Helices Of KCa2.3 And KCa3.1 Channels Alter Their Apparent Ca2+ Sensitivity, Razan Orfali, Young-Woo Nam, Hai Minh Nguyen, Mohammad Asikur Rahman, Grace Yang, Meng Cui, Heike Wulff, Miao Zhang
Channelopathy-Causing Mutations In The S45A/S45B And Ha/Hb Helices Of KCa2.3 And KCa3.1 Channels Alter Their Apparent Ca2+ Sensitivity, Razan Orfali, Young-Woo Nam, Hai Minh Nguyen, Mohammad Asikur Rahman, Grace Yang, Meng Cui, Heike Wulff, Miao Zhang
Pharmacy Faculty Articles and Research
Small- and intermediate-conductance Ca2+-activated potassium (KCa2.x and KCa3.1, also called SK and IK) channels are activated exclusively by a Ca2+-calmodulin gating mechanism. Wild-type KCa2.3 channels have a Ca2+ EC50 value of ∼0.3 μM, while the apparent Ca2+ sensitivity of wild-type KCa3.1 channels is ∼0.27 μM. Heterozygous genetic mutations of KCa2.3 channels have been associated with Zimmermann-Laband syndrome and idiopathic noncirrhotic portal hypertension, while KCa3.1 channel mutations were reported in hereditary xerocytosis patients. KCa2.3_S436C and KCa2.3_V450L channels with …