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Articles 1 - 14 of 14
Full-Text Articles in Other Pharmacology, Toxicology and Environmental Health
Using Mouse Models To Define How The P53 R72p Polymorphism Impacts The Adverse Effects Of Doxorubicin And Ionizing Radiation, Emily Dominguez
Using Mouse Models To Define How The P53 R72p Polymorphism Impacts The Adverse Effects Of Doxorubicin And Ionizing Radiation, Emily Dominguez
Dissertations & Theses (Open Access)
The single nucleotide polymorphism (SNP) at codon 72 of the tumor suppressor gene p53 codes for either an arginine (R) or proline (P) (p53 R72P). This SNP may impact how cells respond to genotoxic insult. Studies in cell culture and in tissues from mouse models of the SNP indicate that, in response to gentoxic treatment, the two variants may differentially induce apoptosis and expression of p53 target genes. In epidemiological studies, the P variant is associated with decreased cancer survival and increased risk of side-effects from genotoxic cancer treatment. Genotoxic therapy is still the mainstay of cancer treatment, and doxorubicin …
Airborne Infectious Agents And Other Pollutants In Automobiles For Domestic Use: Potential Health Impacts And Approaches To Risk Mitigation, Syed A. Sattar, Kathryn E. Wright, Bahram Zargar, Joseph R. Rubino, M. Khalid Ijaz
Airborne Infectious Agents And Other Pollutants In Automobiles For Domestic Use: Potential Health Impacts And Approaches To Risk Mitigation, Syed A. Sattar, Kathryn E. Wright, Bahram Zargar, Joseph R. Rubino, M. Khalid Ijaz
Publications and Research
Theworld total of passenger cars is expected to go fromthe current one billion to >2.5 billion by 2050. Cars for domestic use account for ∼74% of the world’s yearly production ofmotorized vehicles. In North America, ∼80% of the commuters use their own car with another 5.6% travelling as passengers.With the current life-expectancy of 78.6 years, the average North American spends 4.3 years driving a car! This equates to driving 101 minutes/day with a lifetime driving distance of nearly 1.3 million km inside the confined and often shared space of the car with exposure to a mix of potentially harmful pathogens, …
An Analysis Of The Use Of Animal Models In Predicting Human Toxicology And Drug Safety, Jarrod Bailey, Michelle Thew, Michael Balls
An Analysis Of The Use Of Animal Models In Predicting Human Toxicology And Drug Safety, Jarrod Bailey, Michelle Thew, Michael Balls
Jarrod Bailey, PhD
Animal use continues to be central to preclinical drug development, in spite of a lack of its demonstrable validity. The current nadir of new drug approvals and the drying-up of pipelines may be a direct consequence of this. To estimate the evidential weight given by animal data to the probability that a new drug may be toxic to humans, we have calculated Likelihood Ratios (LRs) for an extensive data set of 2,366 drugs, for which both animal and human data are available, including tissue-level effects and MedDRA Level 1–4 biomedical observations. This was done for three preclinical species (rat, mouse …
In Vitro Monitoring Of Time And Dose Dependent Cytotoxicity Of Aminated Nanoparticles Using Raman Spectroscopy, Esen Efeoglu, Alan Casey, Hugh Byrne
In Vitro Monitoring Of Time And Dose Dependent Cytotoxicity Of Aminated Nanoparticles Using Raman Spectroscopy, Esen Efeoglu, Alan Casey, Hugh Byrne
Articles
No abstract provided.
The Degradation Of Pharmaceutical Pollutants In Wastewater Catalyzed By Chloroperoxidase And The Construction Of Chloroperoxidase H105r Mutant, Qinghao He
FIU Electronic Theses and Dissertations
Trace amounts of pharmaceuticals have been detected in water, from nanograms per liter to micrograms per liter, and have a negatively effect in the aquatic environment and an increased potential risk of drug poisoning for human and animals. In order to address the problem, drug degradation catalyzed by chloroperoxidase (CPO) has been investigated. CPO is a heme-containing glycoprotein secreted by the fungus, Caldariomyces fumago, it catalyzes two major types of oxidations, two one-electron oxidations as catalyzed by most peroxidases and two-electron oxidations which are rare for conventional peroxidases.
Five common drugs from a variety of classes which were persistent in …
Ex Vivo Immune Responses In Freshwater Fish Leucocytes Exposed To Environmental Serotypes Of Lipopolysaccharides, Hakim Samai
Ex Vivo Immune Responses In Freshwater Fish Leucocytes Exposed To Environmental Serotypes Of Lipopolysaccharides, Hakim Samai
2nd International Conference of Fish & Shellfish Immunology
No abstract provided.
Mitigation Of Pesticide Toxicity By Food-Grade Lactobacilli, Mark E. Trinder
Mitigation Of Pesticide Toxicity By Food-Grade Lactobacilli, Mark E. Trinder
Electronic Thesis and Dissertation Repository
Lactobacilli are Gram-positive bacteria used in fermented foods. Many species are commensal microbiota members that confer host benefits. This thesis investigated lactobacilli mitigation of organophosphate and neonicotinoid pesticide toxicity in mammals and insects, respectively. Lactobacillus rhamnosus GG (LGG) and GR-1 (LGR-1) were found to sequester, but not metabolize, organophosphate pesticides (parathion and chlorpyrifos) in solution. For LGG, this sequestration reduced organophosphate pesticide absorption in a Caco-2 intestinal Transwell model and promoted survival of Drosophila melanogaster lethally exposed to chlorpyrifos. Supplementation of mice with LGR-1 was found to alter host xenobiotic metabolism in the liver, and consequently chlorpyrifos metabolism following acute …
Policy Options To Mitigate Cigarette Filter Litter In California, Max Wechsler
Policy Options To Mitigate Cigarette Filter Litter In California, Max Wechsler
Master's Projects and Capstones
Approximately 16.2 billion cellulose acetate cigarette filters are littered in California annually. Cigarette filter litter (CFL) creates an annual financial burden of over $1.27 billion for California. CFL also poses unquantifiable damages to human and environmental health in the form of ingestion, toxicity, formation into microplastics, and quality of life degradation. These costs and damages warrant the adoption of policy measures in order to mitigate CFL. Cigarette taxes and fees raise government revenue, but they are politically challenging due to California Proposition 26. Locational smoking bans encourage anti-smoking cultural norms and may decrease consumption, although indoor smoking bans may increase …
Flow Cytometric Analysis For Cyanobacteria In 36 New Jersey Freshwater Bodies, Ruchit Patel
Flow Cytometric Analysis For Cyanobacteria In 36 New Jersey Freshwater Bodies, Ruchit Patel
Seton Hall University Dissertations and Theses (ETDs)
Eutrophication, a process that occurs due to excessive accumulation of nutrients such as nitrogen and phosphorous is primarily from anthropogenic nitrogen and natural occurrences. This phenomenon causes cyanobacterial overgrowth which can potentially lead to toxic algal blooms that affect public drinking water sources and recreational usage. An immediate need to detect bloom forming cyanobacteria in freshwater bodies early hand is critical to implement prevention strategies. These microorganisms contain phycobiliproteins such as phycoerytrhin, and allophycocyanin as part of the phycobillisome that allow autofluorescence. In this study, 36 freshwater bodies from 14 New Jersey counties were collected and processed for flow cytometric …
Are Electronic Cigarettes The Solution To Smoking Cessation?, Heather L. Walsh, Audrey L. Mcmurray
Are Electronic Cigarettes The Solution To Smoking Cessation?, Heather L. Walsh, Audrey L. Mcmurray
Physician Assistant Capstones, 2016 to 2019
Objectives: Little is known regarding the effectiveness of electronic cigarettes (e-cigarettes) as therapy to aid in smoking cessation. Many hypothesize that e-cigarettes are equally as effective or more effective than alternate smoking cessation therapies. The purpose of this review was to examine the evidence on effectiveness of e-cigarettes on smoking cessation and quitting behavior as compared to other smoking cessation therapies, or no therapy at all.
Methods: Searches were done in PubMed utilizing the terms “electronic cigarettes” and “smoking cessation” [MeSH terms]. In PubMed, the following filters limits were used: published in the last 5 years, human species, …
Evaluating The Cytotoxic Effects Of Cellulose Nanocrystals (Cncs) Using Autobioluminescent Yeast And Human Cells, Julianna Hughes Burchett
Evaluating The Cytotoxic Effects Of Cellulose Nanocrystals (Cncs) Using Autobioluminescent Yeast And Human Cells, Julianna Hughes Burchett
EURēCA: Exhibition of Undergraduate Research and Creative Achievement
Cellulose nanocrystals (CNCs) are widely used in different industries including pharmaceutical and cosmetic production due to their adept physical and biological properties. Because CNCs are becoming a more prevalent material and have a high potential of being redistributed in the environment, it is important to understand their toxic potentials in biological systems, including organisms of various trophic levels. This study evaluated the cytotoxic effects of CNCs in the lower eukaryotic organism Saccharomyces cerevisiae and human embryonic kidney (HEK293) cells using autobioluminescent yeast and human cell reporters, respectively. The S. cerevisiae and HEK293 reporter cells were engineered to express a synthetic …
The Influence Of Abiotic Factors On The Uptake And Elimination Of 3-Trifluoromethyl-4-Nitrophenol By Larval Sea Lamprey (Petromyzon Marinus), Benjamin Livingston Hlina
The Influence Of Abiotic Factors On The Uptake And Elimination Of 3-Trifluoromethyl-4-Nitrophenol By Larval Sea Lamprey (Petromyzon Marinus), Benjamin Livingston Hlina
Theses and Dissertations (Comprehensive)
The backbone of sea lamprey (Petromyzon marinus) control in the Great Lakes is the use of the piscicide, 3-trifluoromethyl-4-nitrophenol (TFM), which is applied to streams containing larval sea lampreys. However, TFM effectiveness can be influenced by abiotic factors such as pH and temperature, which fluctuate daily and seasonally. The objectives of this thesis were to evaluate the influence of pH, temperature, and season on the toxicity, uptake, and elimination of TFM by larval sea lamprey. Radio-labeled TFM (14C-TFM) was used to determine how TFM uptake rates varied at different water pHs or temperatures during exposure to …
The Sublethal Physiological Effects Of Exposure To Copper And Silver Mixtures On Rainbow Trout (Oncorhynchus Mykiss), Wesley Truong
The Sublethal Physiological Effects Of Exposure To Copper And Silver Mixtures On Rainbow Trout (Oncorhynchus Mykiss), Wesley Truong
Theses and Dissertations (Comprehensive)
The mechanisms behind metal-metal interactions in freshwater environments are currently not well understood. Freshwater environments consist of many different types of metals, from those naturally present such as copper (Cu) and those that originate from anthropogenic sources like silver (Ag). Both Cu and Ag use apical sodium (Na+) channels for uptake into the gills of freshwater fish. In the gills, the mechanisms of Cu2+ and Ag+ toxicity appear to be similar to one another, which is by inhibiting Na+ /potassium (K+)- adenosine triphosphatase (NKA) and carbonic anhydrase (CA). Inhibition of NKA and CA …
The Role Of Pxr And Ikkβ Signaling In Cardiometabolic Disease, Robert N. Helsley
The Role Of Pxr And Ikkβ Signaling In Cardiometabolic Disease, Robert N. Helsley
Theses and Dissertations--Pharmacology and Nutritional Sciences
Cardiovascular disease (CVD) is the leading cause of death worldwide and is partially attributed to perturbations in lipid metabolism. Xenobiotics, such as pharmaceutical drugs and environmental chemicals, have been associated with increased risk of CVD in multiple large-scale human population studies, but the underlying mechanisms remain poorly defined. We and others have identified several xenobiotics as potent agonists for the pregnane X receptor (PXR), a nuclear receptor that can be activated by numerous drugs as well as environmental and dietary chemicals. However, the role of PXR in mediating the pathophysiological effects of xenobiotic exposure in humans and animals remains elusive. …