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Articles 1 - 6 of 6
Full-Text Articles in Toxicology
The Effects Of Heart Medication On The Heart Rates Of Drosophila Melanogaster, Felicia A. Baer
The Effects Of Heart Medication On The Heart Rates Of Drosophila Melanogaster, Felicia A. Baer
Honors Program Projects
Background
Current animal models of human cardiac disease may be similar in anatomy and physiology but are often expensive and tedious to work with. The current need is for a model organism that is more efficient to work with in the lab but that still provides an accurate model of human cardiac disease. Drosophila melanogaster (D. mel) is such a candidate. While 74% of the genes coding for protein are conserved between D. mel and human hearts, it is unknown if cardiac medication used in humans, such as atropine and propranolol hydrochloride, similarly affect heart rate. I hypothesized that …
Inhibition Of Post-Transcriptional Steps In Ribosome Biogenesis Confers Cytoprotection Against Chemotherapeutic Agents In A P53-Dependent Manner, Russell T Sapio, Anastasiya N Nezdyur, Matthew Krevetski, Leonid Anikin, Vincent J Manna, Natalie Minkovsky, Dimitri G Pestov
Inhibition Of Post-Transcriptional Steps In Ribosome Biogenesis Confers Cytoprotection Against Chemotherapeutic Agents In A P53-Dependent Manner, Russell T Sapio, Anastasiya N Nezdyur, Matthew Krevetski, Leonid Anikin, Vincent J Manna, Natalie Minkovsky, Dimitri G Pestov
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
The p53-mediated nucleolar stress response associated with inhibition of ribosomal RNA transcription was previously shown to potentiate killing of tumor cells. Here, we asked whether targeting of ribosome biogenesis can be used as the basis for selective p53-dependent cytoprotection of nonmalignant cells. Temporary functional inactivation of the 60S ribosome assembly factor Bop1 in a 3T3 cell model markedly increased cell recovery after exposure to camptothecin or methotrexate. This was due, at least in part, to reversible pausing of the cell cycle preventing S phase associated DNA damage. Similar cytoprotective effects were observed after transient shRNA-mediated silencing of Rps19, but not …
Acute Toxicity Assessment Of N,N-Diethyl-M-Toluamide (Deet) On The Photosynthetic Activity Of The Dinoflagellate Gymnodinium Instriatum, Eloy Martinez, Sylvia Velez, Marietta Mayo, Miguel Sastre
Acute Toxicity Assessment Of N,N-Diethyl-M-Toluamide (Deet) On The Photosynthetic Activity Of The Dinoflagellate Gymnodinium Instriatum, Eloy Martinez, Sylvia Velez, Marietta Mayo, Miguel Sastre
Faculty Research & Creative Activity
Despite the ubiquitous occurrence of N, N-diethyl-m-toluamide (DEET) in aquatic systems, assessments evaluating the toxicity of DEET on phytoplankton species are summed to a single study on a unicellular green alga. In particular, the toxicological effects of DEET in dinoflagellates are unknown. In this study, we employed the mixotrophic dinoflagellate Gymnodinium instriatum as a study system to evaluate acute effects of DEET on the oxygen flux of laboratory cultures. This study reports an inhibitory reaction model of DEET described by the equation y = 4.99 x 0.54, where y represents the percent inhibition of oxygen flux and x represents DEET …
Physiologically-Based Pharmacokinetic Modeling Of Acetaminophen Metabolism And Toxicity, David M. Ng, Ali Navid
Physiologically-Based Pharmacokinetic Modeling Of Acetaminophen Metabolism And Toxicity, David M. Ng, Ali Navid
STAR Program Research Presentations
Acetaminophen is a common analgesic and antipyretic. Metabolism of acetaminophen and acetaminophen-induced liver necrosis are predicted using physiologically-based pharmacokinetic (PBPK) modeling. Pharmacokinetic means the model determines where the drug is distributed in the body over time. Physiologically-based means the anatomy and physiology of the human body is reflected in the structure and functioning of the model. Acetaminophen is usually safe and effective when taken as recommended, but consumption at higher levels may lead to liver damage. Additionally, other factors such as alcoholic liver disease, smoking, and malnutrition affect the maximum safe dose of acetaminophen.
Histopathological Analyses Of Tissue Sections Of The Eyes Of Indigenous Species Of Marine/Estuarine And Estuarine Fish, Willliam J. Hargis Jr.
Histopathological Analyses Of Tissue Sections Of The Eyes Of Indigenous Species Of Marine/Estuarine And Estuarine Fish, Willliam J. Hargis Jr.
Reports
The Elizabeth River is the most heavily settled and industrialized major subestuary in Virginia's Chesapeake System. Under increasing use and development since around 1610, its' waters have been exposed to all types of domestic, agricultural, military and industrial contaminants. ....Its sediments are contaminated by heavy metals, PAHs and all other introduced materials that accumulate and are stored there, with or without chemical transformation.... Collection of fish began in the Elizabeth River in the summer of 1982.
Cerebrospinal Fluid Pressure In Weanling Rabbits With Chronic Plumbism, R.C. Hall Jr., H.I. Frier, R.S. Bartlett, J.E. Rousseau Jr.
Cerebrospinal Fluid Pressure In Weanling Rabbits With Chronic Plumbism, R.C. Hall Jr., H.I. Frier, R.S. Bartlett, J.E. Rousseau Jr.
Storrs Agricultural Experiment Station
No abstract provided.