Research Topics
| Ruth A RobertsSummaryAffiliation: AstraZeneca R and D Publications
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Detail Information
Publications
Toxicological and pathophysiological roles of reactive oxygen and nitrogen speciesRuth A Roberts
AstraZeneca, Alderley Park, Cheshire SK9 IDG, corrected UK
Toxicology 276:85-94. 2010..Examples are presented from five different perspectives ranging from in vitro model systems through to in vivo animal model systems and clinical outcomes...
Nitrative and oxidative stress in toxicology and diseaseRuth A Roberts
AstraZeneca R and D Safety Assessment, Alderley Park, UK SK9 1DG
Toxicol Sci 112:4-16. 2009..An understanding of fundamental concepts of oxidative and nitrative stress can underpin a rational plan of treatment for diseases and toxicities associated with excessive production of reactive oxygen and nitrogen species...
Role of the Kupffer cell in mediating hepatic toxicity and carcinogenesisRuth A Roberts
AstraZeneca, Safety Assessment Alderley Park, Macclesfield, Cheshire, SK10 4TG United Kingdom
Toxicol Sci 96:2-15. 2007..Taken together, the data presented in this symposium illustrate to the toxicologist the central role played by Kupffer cells in mediating hepatotoxicity...
Receptor-mediated hepatocarcinogenesis: role of hepatocyte proliferation and apoptosisJason D Oliver
Syngenta Central Toxicology Laboratory, Alderley Park, Macclesfield, Cheshire SK10 4TJ, UK
Pharmacol Toxicol 91:1-7. 2002..This implies that changes in the expression of key target genes control proliferation and apoptosis in the xenobiotic-induced hepatocyte phenotype...
Evidence for cross talk between PPARalpha and p38 MAP kinaseRuth A Roberts
Syngenta CTL, Alderley Park, Macclesfield, SK10 4TJ, United Kingdom
Toxicol Sci 68:270-4. 2002
Species differences in response to the phthalate plasticizer monoisononylphthalate (MINP) in vitro: a comparison of rat and human hepatocytesDavid Shaw
Syngenta Central Toxicology Laboratory, Alderley Park, Macclesfield, Cheshire SK10 4TJ, UK
Arch Toxicol 76:344-50. 2002..These data provide evidence for species differences in the hepatic response to the phthalate ester DINP, confirming that human hepatocytes are refractory to the adverse effects noted in rodents...
Regulation of apoptosis by peroxisome proliferatorsRuth A Roberts
Aventis Pharma, Drug Safety Evaluation, Centre de Recherche de Paris, 13 quai Jules Guesde, 94403 Paris, France
Toxicol Lett 149:37-41. 2004..These data will allow the identification of specific genes that are regulated by PPs leading to changes in apoptosis and ultimately to tumours...
PPARalpha agonist-induced rodent tumors: modes of action and human relevanceJames E Klaunig
Indiana University School of Medicine, Indianapolis, IN, USA
Crit Rev Toxicol 33:655-780. 2003....
PPARalpha and effects of TCEJames E Klaunig
Environ Health Perspect 115:A14-5; authohr reply A15-6. 2007
Species-specific kinetics and zonation of hepatic DNA synthesis induced by ligands of PPARalphaAbdullah Al Kholaifi
School of Biology, University of Nottingham, University Park, Nottingham NG7 2RD, UK
Toxicol Sci 104:74-85. 2008..These results characterize a markedly later hepatic induction of panlobular DNA synthesis by PPARalpha ligands in mouse, compared to rapid induction of periportal DNA synthesis in rat...
Peroxisome proliferator activated receptor alpha regulates a male-specific cytochrome P450 in mouse liverBrett Jeffery
School of Biology, University Park, University of Nottingham, Nottingham NG7 2RD, UK
Arch Biochem Biophys 429:231-6. 2004..Thus, PPARalpha has a specific effect on constitutive expression of Cyp4a12...
Characterization of the transforming growth factor-beta 1-induced apoptotic transcriptome in FaO hepatoma cellsBeth Coyle
Medical Research Council Toxicology Unit, University of Leicester, Leicester LE1 9HN, United Kingdom
J Biol Chem 278:5920-8. 2003....
Molecular analysis of peroxisome proliferation in the hamsterAgharul I Choudhury
School of Biology, University of Nottingham, Nottingham NG7 2RD, UK
Toxicol Appl Pharmacol 197:9-18. 2004..These results fail to support the hypothesis that the level of PPARalpha in liver is directly responsible for species differences in peroxisome proliferation...
