Research Topics
Species | A HartwigSummaryCountry: Germany Publications
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Detail Information
Publications
Interactions by carcinogenic metal compounds with DNA repair processes: toxicological implicationsAndrea Hartwig
Institut für Lebensmittelchemie und Toxikologie, Universitat Karlsruhe, Postfach 6980, Germany
Toxicol Lett 127:47-54. 2002....
Very low concentrations of arsenite suppress poly(ADP-ribosyl)ation in mammalian cellsAndrea Hartwig
Universitat Karlsruhe, Institut für Lebensmittelchemie und Toxikologie, Karlsruhe, Germany
Int J Cancer 104:1-6. 2003....
Carcinogenicity of metal compounds: possible role of DNA repair inhibitionA Hartwig
University of Karlsruhe, Institute of Food Chemistry, Germany
Toxicol Lett 102:235-9. 1998..Nevertheless, the underlying mechanisms are quite different, depending for example on the ability of toxic metal ions to compete with magnesium ions or to displace zinc ions in zinc finger structures of DNA repair enzymes...
The potential use of mutation spectra in cancer related genes in genetic toxicology: a statement of a GUM working groupA Hartwig
Institut für Lebensmittelchemie und Toxikologie, Universitat Karlsruhe, Postfach 6980, D 76128 Karlsruhe, Germany
Mutat Res 473:263-7. 2001..Nevertheless, on the individual level, the presence or absence of defined mutations in cancer-related genes in human tumors does not permit a definite conclusion about the causative agent...
Modulation of DNA repair processes by arsenic and selenium compoundsA Hartwig
Institut für Lebensmittelchemie und Toxikologie, Universitat Karlsruhe, Postfach 6980, D 76128 Karlsruhe, Germany
Toxicology 193:161-9. 2003....
Zinc finger proteins as potential targets for toxic metal ions: differential effects on structure and functionA Hartwig
University of Karlsruhe, Institute of Food Chemistry and Toxicology, Germany
Antioxid Redox Signal 3:625-34. 2001....
Interference by toxic metal ions with DNA repair processes and cell cycle control: molecular mechanismsA Hartwig
Institut für Lebensmittelchemie und Toxikologie, Universitat Karlsruhe, Postfach 6980, D 76128 Karlsruhe, Germany
Environ Health Perspect 110:797-9. 2002....
Role of DNA repair in particle- and fiber-induced lung injuryAndrea Hartwig
Institute of Food Chemistry and Toxicology, University of Karlsruhe, Postfach 6980, D 76128 Karlsruhe, Germany
Inhal Toxicol 14:91-100. 2002..Taken together, the extent of DNA repair is an important determinant in particle-induced genotoxicity and carcinogenicity...
Interference by toxic metal ions with zinc-dependent proteins involved in maintaining genomic stabilityA Hartwig
Institut für Lebensmittelchemie und Toxikologie, Universitat Karlsruhe, Postfach 6980, D 76128, Karlsruhe, Germany
Food Chem Toxicol 40:1179-84. 2002..Relevant mechanisms of inhibition appear to be the displacement of zinc by other transition metals as well as redox reactions leading to thiol/disulfide interchange...
Role of magnesium in genomic stabilityA Hartwig
Department of Food Chemistry and Toxicology, University of Karlsruhe, Profach 6980, D 76128, Karlsruhe, Germany
Mutat Res 475:113-21. 2001..With respect to the magnesium status in humans, the daily intake in most industrialized countries does not reach the current recommended daily dietary allowances (RDA) values, and thus marginal magnesium deficiencies are very common...
Arsenite and its biomethylated metabolites interfere with the formation and repair of stable BPDE-induced DNA adducts in human cells and impair XPAzf and FpgTanja Schwerdtle
Institute of Food Chemistry and Toxicology, University of Karlsruhe, Postfach 6980, D 76128, Karlsruhe, Germany
DNA Repair (Amst) 2:1449-63. 2003..Altogether the results suggest that besides arsenite, especially the trivalent methylated metabolites may contribute to diminished NER at low concentrations...
Induction of oxidative DNA damage by arsenite and its trivalent and pentavalent methylated metabolites in cultured human cells and isolated DNATanja Schwerdtle
, , Germany
Carcinogenesis 24:967-74. 2003..Thus, biomethylation of inorganic arsenic may be involved in inorganic arsenic-induced genotoxicity/carcinogenicity...
Effect of soluble and particulate nickel compounds on the formation and repair of stable benzo[a]pyrene DNA adducts in human lung cellsTanja Schwerdtle
, , D-76128 Karlsruhe, Germany
Carcinogenesis 23:47-53. 2002....
No differences in DNA damage and antioxidant capacity between intervention groups of healthy, nonsmoking men receiving 2, 5, or 8 servings/day of vegetables and fruitKarlis Briviba
Institute of Nutritional Physiology, Federal Research Centre for Nutrition and Food, Karlsruhe, Germany
Nutr Cancer 60:164-70. 2008....
Interaction of selenium compounds with zinc finger proteins involved in DNA repairHolger Blessing
Institute of Food Chemistry and Toxicology, University of Karlsruhe, Germany
Eur J Biochem 271:3190-9. 2004..Altogether, the results indicate that zinc finger motifs are highly reactive towards oxidizing selenium compounds. This could affect gene expression, DNA repair and, thus, genomic stability...
Carcinogenic metal compounds: recent insight into molecular and cellular mechanismsDetmar Beyersmann
Biochemistry, Department of Biology and Chemistry, University of Bremen, Bremen, Germany
Arch Toxicol 82:493-512. 2008....
Monomethylarsonous acid destroys a tetrathiolate zinc finger much more efficiently than inorganic arsenite: mechanistic considerations and consequences for DNA repair inhibitionKatarzyna Piatek
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5A, 02 106 Warsaw, Poland
Chem Res Toxicol 21:600-6. 2008..These results indicate a particular susceptibility of tetrathiolate zinc fingers to MMA (III), thereby providing a novel molecular pathway in arsenic carcinogenesis...
Impact of copper on the induction and repair of oxidative DNA damage, poly(ADP-ribosyl)ation and PARP-1 activityTanja Schwerdtle
Institut für Lebensmitteltechnologie und Lebensmittelchemie, Technische Universitat Berlin, Berlin, Germany
Mol Nutr Food Res 51:201-10. 2007..Hence, a balance needs to be maintained to ensure sufficient uptake and to prevent overload...
Impact of arsenite and its methylated metabolites on PARP-1 activity, PARP-1 gene expression and poly(ADP-ribosyl)ation in cultured human cellsIngo Walter
Institut für Lebensmitteltechnologie und Lebensmittelchemie, Technische Universitat Berlin, 13355 Berlin, Germany
DNA Repair (Amst) 6:61-70. 2007....
Co(II) and Cd(II) substitute for Zn(II) in the zinc finger derived from the DNA repair protein XPA, demonstrating a variety of potential mechanisms of toxicityEdyta Kopera
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland
Chem Res Toxicol 17:1452-8. 2004..The Cd(II)-saturated XPAzf is very resistant to oxidation by H2O2. Overall, our results indicate that XPAzf can undergo Co(II) and Cd(II) assault under specific conditions...
Mechanism of nickel assault on the zinc finger of DNA repair protein XPAWojciech Bal
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5A, 02 106 Warsaw, Poland
Chem Res Toxicol 16:242-8. 2003..Overall, our results indicate that XPAzf can undergo Ni(II) assault in specific conditions...
Quantitative electrospray ionization mass spectrometry of zinc finger oxidation: the reaction of XPA zinc finger with H(2)O(2)Julia Smirnova
Institute of Gene Technology, Tallinn Technical University, 12618 Tallinn, Estonia
Anal Biochem 369:226-31. 2007..The comparison of experimental information demonstrated that the formation of the Cys5-Cys8 single disulfide was responsible for zinc release...
Identification through microarray gene expression analysis of cellular responses to benzo(a)pyrene and its diol-epoxide that are dependent or independent of p53Sarah L Hockley
Section of Molecular Carcinogenesis, The Institute of Cancer Research, Brookes Lawley Building, Cotswold Road, Sutton, Surrey SM2 5NG, UK
Carcinogenesis 29:202-10. 2008..Taken together, these results give further insight into the role of p53 in the response of human cells to BaP and BPDE and suggest that loss of this tumour suppressor can influence the metabolic activation of BaP...
Reaction of the XPA zinc finger with S-nitrosoglutathioneJulia Smirnova
Department of Gene Technology, Tallinn Technical University, Akadeemia tee 15, 12618 Tallinn, Estonia
Chem Res Toxicol 21:386-92. 2008..In the case of XPA, this may lead to DNA repair inhibition...
Food-borne radiolytic compounds (2-alkylcyclobutanones)may promote experimental colon carcinogenesisFrancis Raul
Laboratoire d Oncologie Nutritionnelle, F 67000 Strasbourg, France
Nutr Cancer 44:189-91. 2002..This is the first demonstration that a compound found exclusively in irradiated dietary fats may promote colon carcinogenesis in animals treated with a chemical carcinogen...
