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Mutagenesis vol. 18 no. 5 pp. 417-421, September 2003
© 2003 UK Environmental Mutagen Society/Oxford University Press

Cytogenetic biomonitoring in petrol station attendants: micronucleus test in exfoliated buccal cells

Ayla Çelik1, Tolga Çavas and Serap Ergene-Gözükara

Department of Biology, Faculty of Sciences and Letters, Mersin University, Çiftlikköy, 33342 Mersin, Turkey

To study the effects of occupational exposure to petroleum derivates such as benzene, exfoliated buccal cells from 50 petrol station attendants and 50 age- and sex-matched control subjects were examined for micronucleus (MN) frequency. Frequencies of nuclear abnormalities (NA) other than micronuclei, such as binucleates, karyorrhexis and karyolysis, were also evaluated. Benzene exposure was ascertained by measuring urinary phenol levels. The mean urinary phenol level of station workers was found to be significantly higher than that of control subjects (P < 0.05). Analysis of buccal cells revealed that MN and NA frequencies in petrol station workers were significantly higher than in control subjects (P < 0.01) and also significantly related to smoking habit (P < 0.01). Our findings indicate that the petrol station workers are under risk of significant cytogenetic damage.

1To whom correspondence should be addressed. Tel: +90 324 3610001; Fax: +90 324 3610047; Email: a.celik{at}mersin.edu.tr


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