Abstract |
DNA damage detected by the comet assay (single cell gel electrophoresis) and 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) formation in DNA in the bone marrow has been studied in groups of 6 male Wistar rats treated with a single i.p. injection of the carcinogen 2-nitropropane (2-NP, 100 mg/kg body weight) or vehicle. Twenty-four hours after 2-NP the average tail length in the comet assay in bone marrow cells was increased from 1.46 +/- 0.27 to 9.61 +/- 1.56 microm (mean /- SD, p < 0.01), and 8-oxodG levels in the DNA were increased from 1.04 +/- 0.50 to 5.14 +/- 2.42 per 10(5) dG (p < 0.01). There was a close correlation between the comet tail length and the 8-oxodG level (r = 0.89, p < 0.05). The results indicate that 2-NP inflicts DNA damage in the bone marrow cells and thus could be leukemogenic.
|
Authors | X S Deng, J Tuo, H E Poulsen, S Loft |
Journal | Mutation research
(Mutat Res)
Vol. 391
Issue 3
Pg. 165-9
(Jul 14 1997)
ISSN: 0027-5107 [Print] Netherlands |
PMID | 9268041
(Publication Type: Journal Article)
|
Chemical References |
- Nitroparaffins
- 8-Hydroxy-2'-Deoxyguanosine
- Deoxyguanosine
- 2-nitropropane
- Propane
|
Topics |
- 8-Hydroxy-2'-Deoxyguanosine
- Animals
- Bone Marrow
(drug effects)
- DNA Damage
- Deoxyguanosine
(analogs & derivatives, metabolism)
- Electrophoresis
(methods)
- Male
- Mutagenicity Tests
- Nitroparaffins
(metabolism, toxicity)
- Propane
(analogs & derivatives, metabolism, toxicity)
- Rats
- Rats, Wistar
|