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- <p>Disulfiram.</p> <p>Staphylococcus aureus infections.</p> <p>Methicillin resistance.</p> <p>Antibacterial agents.</p> <p>High performance liquid chromatography.</p> <p>Thiamin pyrophosphate.</p> <p>Enzymes.</p> <p>Coenzymes.</p> <p>Biosynthesis.</p> <p>Amino acids -- Metabolism.</p> (1)
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Articles 1 - 7 of 7
Full-Text Articles in Chemicals and Drugs
Effects Of Disulfiram On The Metabolome Of Mrsa, Surya Teja Naidu
Effects Of Disulfiram On The Metabolome Of Mrsa, Surya Teja Naidu
Theses, Dissertations and Capstones
Disulfiram, known as Antabuse®, is an oral drug for the treatment of alcohol dependence. Previous studies have indicated that disulfiram (DSF) exhibits antibacterial effects, particularly against Gram-positive bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA). Our study delves into the antibacterial mechanism of DSF in MRSA through High-Pressure Liquid Chromatography (HPLC) metabolomics, investigating the underlying mechanism of DSF effects on thiamine and amino acid metabolism. Thiamine pyrophosphate (TPP) plays a crucial role as a cofactor for critical enzymes such as transketolase, pyruvate dehydrogenase, and 2-oxoglutarate dehydrogenase. These enzymes are integral to the carbohydrate metabolism process within bacterial cells. TPP also contributes …
Association Of Electronic Prescription In Controlled Substances Used, Archana Suwal, Jemima Akinyi Okonjo
Association Of Electronic Prescription In Controlled Substances Used, Archana Suwal, Jemima Akinyi Okonjo
Theses, Dissertations and Capstones
Introduction: Controlled substances have been described as pharmaceuticals or illegal medicines that act primarily on the central nervous system and could cause physical and mental dependence, eventually leading to addiction. Prescription opioids were a significant contributor to the opioid epidemic, accounting for more than 70,000 opioid-related overdose deaths, including illicit and prescription opioids, between 2018 and 2019. The Electronic Prescriptions for Controlled Substances (EPCS) initiative recently aimed to reduce rates of prescription opioid addiction, abuse, diversion, and death. The system for controlled substances had become more widely used as providers and governments trying to combat the opioid problem. Because …
Mechanisms Of Apoptosis Induced By Actinomycin D In Aerodigestive Tract Cancers, Adeoluwa Ayodeji Adeluola
Mechanisms Of Apoptosis Induced By Actinomycin D In Aerodigestive Tract Cancers, Adeoluwa Ayodeji Adeluola
Theses, Dissertations and Capstones
Upper aerodigestive tract cancers including cancers of the oral cavity, pharynx, larynx, esophagus, and lungs are the most prevalent cancers and leading causes of cancer-related deaths. Collectively, over 300,000 new cases and 146,500 deaths are projected within the US in the year 2021. Drug-associated toxicities, as well as resistance to therapy (intrinsic and acquired), are big challenges for successfully treating these cancers. Recent studies have shown that combining low-dose actinomycin D with existing therapies is a promising strategy to reduce toxicity (cyclotherapy) and to overcome resistance. The development of these treatment strategies however requires an understanding of the molecular mechanisms …
Role Of Cytochrome P450 2b6 Polymorphisms In Unexpected Methadone Death, Taha Ahmad
Role Of Cytochrome P450 2b6 Polymorphisms In Unexpected Methadone Death, Taha Ahmad
Theses, Dissertations and Capstones
Methadone is a synthetic, long-acting opioid prescribed as an analgesic for chronic pain. It has a single chiral center forming two enantiomers, (R)-methadone and (S)-methadone, each having specific pharmacological actions. Concentrations of (R)- and (S)-methadone above therapeutic levels have the ability to cause serious, life-threatening, and fatal side effects. Cardiotoxicity is caused by elevated (S)-methadone levels by prolonging the QT interval of the heart’s electrical cycle. In 2014, methadone accounted for only 1% of all opioids prescribed for pain, but was responsible for 3,400 of the 14,838 individuals (~23%) who died in the United States from overdoses due to prescription …
Tenofovir Induced Nephrotoxicity: A Mechanistic Study, Rachel A. Murphy
Tenofovir Induced Nephrotoxicity: A Mechanistic Study, Rachel A. Murphy
Theses, Dissertations and Capstones
Tenofovir (TFV) is a reverse transcriptase inhibitor that is approved by the United States Food and Drug Administration (FDA) to treat HIV and chronic Hepatitis B. It has a long half-life, allowing for once a day dosing and is effective in treatment of both naive and experienced patients. It is administered orally as tenofovir disoproxil fumarate (TDF) and is deesterified in plasma to the active drug TFV. However, renal impairment is associated with its use; TFV can induce decreased glomerular filtration rate (GFR) and free calcitriol, renal failure, and Fanconi Syndrome. The exact mechanism of toxicity currently remains unknown, largely …
Doxorubicin Cytotoxicity In A Human Proximal Tubular Epithelial Cell Line Was Attenuated By The Natural Product Resveratrol, Morghan Schuyler Getty
Doxorubicin Cytotoxicity In A Human Proximal Tubular Epithelial Cell Line Was Attenuated By The Natural Product Resveratrol, Morghan Schuyler Getty
Theses, Dissertations and Capstones
The cancer chemotherapeutic agent doxorubicin (DOX), Adriamycin, is part of the treatment regimen for breast, ovarian, small cell lung cancer and acute/chronic lymphoid leukemia. Adverse effects associated with DOX are cardiotoxicity and nephrotoxicity. Interventions are needed to reduce DOX nephrotoxicity. Resveratrol (RES) is a phytochemical contained in grapes, berries and nuts, which possesses antioxidant and anticancer properties. This study tested the hypothesis that RES will attenuate DOX renal cytotoxicity in human noncancerous renal proximal tubular epithelial (HK-2) cells and that RES will reduce DOX mediated changes in mitochondrial function. HK-2 cells were plated and grown for 48 hours (h). Cells …
Hk-2 Cells As A Human Model Of Glucuronide Transport, Eliza E. Robertson
Hk-2 Cells As A Human Model Of Glucuronide Transport, Eliza E. Robertson
Theses, Dissertations and Capstones
Glucuronidation is primarily a pathway of detoxification in most species, but many glucuronide conjugates are associated with toxicity. Numerous drugs are excreted in the urine as glucuronide conjugates. Being organic anions, it is likely that glucuronides are secreted into the urine by organic anion transporters found in renal proximal tubule cells (PTCs). Some drugs that are metabolized by glucuronidation have been shown to cause renal toxicity, yet little is known about the renal handling of glucuronide conjugates. It is hypothesized that glucuronides are transported into renal PTCs by an organic anion transporter (OAT) on the basolateral membrane of the cell. …