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Polycyclic aromatic hydrocarbon-DNA adducts in white blood cell DNA and 1-hydroxypyrene in the urine from aluminum workers: relation with job category and synergistic effect of smoking.
- F. van Schooten, F. Jongeneelen, +6 authors E. Kriek
- Cancer epidemiology, biomarkers & prevention : a…
We examined a group of 105 workers from a primary aluminum plant for the presence of polycyclic aromatic hydrocarbon (PAH)-DNA adducts in their WBC and 1-hydroxypyrene in their urine. Workers were… Expand
Formation of DNA adducts by the anticancer drug carboplatin: different nucleotide sequence preferences in vitro and in cells.
- F. A. Blommaert, H. C. van Dijk-Knijnenburg, +4 authors A. M. Fichtinger-Schepman
- 4 July 1995
We have studied the formation of adducts upon carboplatin treatment of isolated DNA and in cells. The major adduct formed in vitro, determined with atomic absorption spectroscopy and enzyme-linked… Expand
Formation and stability of alkylated pyrimidines and purines (including imidazole ring-opened 7-alkylguanine) and alkylphosphotriesters in liver DNA of adult rats treated with ethylnitrosourea or…
Adult rats received a single injection of the carcinogens N-ethyl-N-nitrosourea (ENU) or N,N-dimethylnitrosamine (DMN) and were killed after various time intervals (up to 56 days). Liver DNA was… Expand
Studies on lung tumours. III. Oxidative metabolism of dimethylnitrosamine by rodent and human lung tissue.
- L. den Engelse, M. Gebbink, P. Emmelot
- Chemistry, Medicine
- Chemico-biological interactions
- 1 December 1975
The oxidative metabolism of the carcinogen dimethylnitrosamine (DMN) was studied in mouse, rat, hamster and human respiratory tissue. [14C]DMN was purified by Dowex-1-bisulfite column chromatography… Expand
Polycyclic aromatic hydrocarbon--DNA adducts in white blood cells from lung cancer patients: no correlation with adduct levels in lung.
Smokers of cigarettes are exposed to a number of carcinogens, including polycyclic aromatic hydrocarbons (PAHs), and are at a high risk for lung cancer. PAHs exert their carcinogenic activity after… Expand
Relationship between specific alkylated bases and mutations at two gene loci induced by ethylnitrosourea and diethyl sulfate in CHO cells.
DNA adduct formation and induction of mutations at 2 gene loci, hypoxanthine-guanine-phosphoribosyltransferase (HPRT) and Na,K-ATPase, were determined simultaneously in Chinese hamster ovary (CHO)… Expand
Immunocytochemical detection of interaction products of cis-diamminedichloroplatinum(II) and cis-diammine(1,1-cyclobutanedicarboxylato)platinum(II) with DNA in rodent tissue sections.
- P. Terheggen, B. Floot, E. Scherer, A. Begg, A. M. Fichtinger-Schepman, L. den Engelse
- Biology, Medicine
- Cancer research
- 15 December 1987
Calf thymus DNA was modified in vitro by cis-diamminedichloroplatinum(II) (cisDDP), complexed with methylated bovine serum albumin and used to immunize rabbits. The anti-cisDDP-DNA antiserum obtained… Expand
A 32P-postlabelling assay for the detection of alkylphosphotriesters in DNA.
- C. Saris, Siri Damman, A. M. van den Ende, J. G. Westra, L. den Engelse
- Chemistry, Medicine
- 1 July 1995
Within the group of DNA alkylation products, phosphotriesters (PTE) are among the most stable lesions. Hence, alkyl PTE are attractive biomarkers for DNA alkylation monitoring purposes. We have… Expand
Prolonged in vitro exposure of Syrian hamster embryo cells to 3-aminobenzamide induces transformation and chromosomal alterations but not gene mutations.
To investigate the genetic mechanisms involved in morphological transformation of Syrian hamster embryo (SHE) cells, we have studied the transforming potential of 3-aminobenzamide (3-AB). It was… Expand
O2- and O4-ethylthymine and the ethylphosphotriester dTp(Et)dT are highly persistent DNA modifications in slowly dividing tissues of the ethylnitrosourea-treated rat.
- L. den Engelse, A. de Graaf, R. J. de Brij, G. J. Menkveld
- Biology, Medicine
- 1 June 1987
Male Wistar rats received a single i.p. injection of [3H]ethylnitrosourea (140 mg/kg) and were killed after 2 h, 1, 3, 6, 28 or 56 days. DNA of the following organs was isolated and analysed for the… Expand