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Articles 1 - 6 of 6
Full-Text Articles in Medical Toxicology
Étude Visant À Mieux Guider L’Évaluation Des Risques Des Travailleurs Exposés Aux Nanoparticules (Np) : Existe-T-Il Différentes Propriétés Inflammatoires Des Np Liées Au Sexe?, Marion Vanharen, Abdelaziz Saafane, Alexanne Léveillé, Thomas Mahbeer, Denis Girard
Étude Visant À Mieux Guider L’Évaluation Des Risques Des Travailleurs Exposés Aux Nanoparticules (Np) : Existe-T-Il Différentes Propriétés Inflammatoires Des Np Liées Au Sexe?, Marion Vanharen, Abdelaziz Saafane, Alexanne Léveillé, Thomas Mahbeer, Denis Girard
Rapports de recherche scientifique
Les nanotechnologies offrent un important potentiel d’exploitation dans des secteurs industriels variés, pour lequel les bénéfices financiers ne sont pas négligeables. À l’instar des provinces canadiennes et de nombreux pays industrialisés, le Québec voit un nombre grandissant de compagnies produisant des nanomatériaux et des nanoparticules (NP) se développer, sans oublier celles qui introduisent de plus en plus de NP dans leurs produits. Le nombre de travailleurs québécois œuvrant dans la fabrication et dans la synthèse des NP augmentera dans les années à venir. De plus, le nombre de travailleurs appelés à manipuler et à transformer des NP dans les domaines …
Hdac6 Mediates Macrophage Inos Expression And Excessive Nitric Oxide Production In The Blood During Endotoxemia, Yan Wang, Ke Wang, Jian Fu
Hdac6 Mediates Macrophage Inos Expression And Excessive Nitric Oxide Production In The Blood During Endotoxemia, Yan Wang, Ke Wang, Jian Fu
Toxicology and Cancer Biology Faculty Publications
Excessive nitric oxide (NO) production and NO-mediated nitrative stress contribute to vascular dysfunction, inflammation, and tissue injury in septic shock. New therapeutic targets are urgently needed to provide better control of NO level during septic shock. In the present study, we investigated the role of HDAC6 in the regulation of NO production and nitrative stress in a mouse model of endotoxin-induced septic shock. HDAC6 deficient mice and a specific HDAC6 inhibitor were utilized in our studies. Our data clearly indicate that HDAC6 is an important mediator of NO production in macrophages. HDAC6 mediates NO production through the regulation of iNOS …
Novel Mechanisms And Biomarkers In Alcohol-Induced Organ Injury., Christine E. Dolin
Novel Mechanisms And Biomarkers In Alcohol-Induced Organ Injury., Christine E. Dolin
Electronic Theses and Dissertations
Background. Ethanol (EtOH) consumption is known to affect multiple organs; this is unsurprising, as the concentration of EtOH in the blood at relevant doses reaches the millimolar range. The overarching goal of this dissertation was to elucidate mechanisms of alcohol-induced organ injury, specifically the effects of alcohol on the hepatic extracellular matrix (ECM) proteome, the alcoholic hepatitis (AH) plasma peptidome, and the effects of alcohol on the renal cortex proteome and transcriptome. Methods. Mice were pair-fed ethanol-containing liquid diet chronically, and then some mice were administered lipopolysaccharide (LPS). Liver sections from these mice were processed in a series of increasingly …
The Role Of Nicotine, A7 Nicotinic Acetylcholine Receptors And Extracellular Matrix Remodeling In Pulmonary Fibrosis., Glenn Ward Vicary
The Role Of Nicotine, A7 Nicotinic Acetylcholine Receptors And Extracellular Matrix Remodeling In Pulmonary Fibrosis., Glenn Ward Vicary
Electronic Theses and Dissertations
The median survival for idiopathic pulmonary fibrosis (IPF) patients from diagnosis is a dismal 3 years. This condition is characterized by pulmonary fibroproliferation and excess production and disordered deposition of extracellular matrix (ECM) proteins resulting in obliteration of the original tissue architecture, loss of lung function and eventual death due to respiratory failure. The main hindrance to the development of effective treatments against pulmonary fibrosis is the late detection of its progression and is often of unknown cause. Tobacco smoke represents the most important environmental factor linked to the development of pulmonary fibrosis, with over 60% of IPF patients current …
Effect Of Genipin On Cisplatin- Induced Nephrotoxicity, Eglal Orner Mahgoub
Effect Of Genipin On Cisplatin- Induced Nephrotoxicity, Eglal Orner Mahgoub
Theses
Cisplatin (CSP) is a potent and widely used chemotherapeutic agent. However, clinical efficacy of CSP is compromised due to the elicitation of nephrotoxicity and ototoxicity. In this study, I have investigated the nephroprotective effects of a phytochemical – genipin (GP) isolated from gardenia flower (Gardenia jasminoides), on a murine model of cisplatin-induced nephropathy. CSP-induced renal tissue injury was characterized by elevated levels of serum blood urea nitrogen (BUN), creatinine (Cr) and cystatin-C. In addition, levels of kidney injury molecule-1 (KIM-1) were increased in the renal tissues of CSP administered animals. CSP also induced renal oxidative stress, evidenced by increased NADPH …
Didox Modulates Reactive Oxygen Species Production And Inflammatory Events Induced By Lipopolysaccharide (Lps) And Aryl Hydrocarbon Receptor (Ahr) Ligands In Raw 264.7 Murine Macrophages., Thabe Matsebatlela
All Dissertations
Aberrant activation of macrophages during inflammation results in oxidative burst release of reactive oxygen and reactive nitrogen species (ROS/RNS) which are widely accepted to participate in pathogenesis of cancer, cardiovascular disease, atherosclerosis, hypertension, ischemia/reperfusion injury, diabetes mellitus, neurodegenerative diseases (Alzheimer's disease and Parkinson's disease), rheumatoid arthritis, and ageing. It is demonstrated here that Didox (3,4-Dihydroxybenzohydroxamic acid) possesses antioxidative and anti-inflammatory properties that can protect against inflammation and oxidative stress induced by lipopolysaccharide (LPS) and aryl hydrocarbon receptor (AHR) ligands (PCB126, E804, and IO) in Raw 264.7 murine macrophages. In brief, it is demonstrated here that Didox inhibits LPS-induced oxidative stress, …