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  • Title: Cytogenetic study in workers occupationally exposed to mercury fulminate.
    Author: Anwar WA, Gabal MS.
    Journal: Mutagenesis; 1991 May; 6(3):189-92. PubMed ID: 1881349.
    Abstract:
    This study was conducted to evaluate the cytogenetic effects in male workers exposed to mercury fulminate. A total of 29 male workers and 29 age- and sex-matched controls were examined. The mean mercury level in urine from the exposed workers was 123.2 +/- 54.1 micrograms/l compared with 39.2 +/- 11.1 micrograms/l in the control group. The difference was statistically significant (P less than 0.001). Metaphase chromosomes were studied. Micronucleated peripheral blood lymphocytes were also analyzed in cytochalasin B blocked binucleated lymphocytes. The percentage of metaphases with chromosomal aberrations was significantly higher (P less than 0.001) in the exposed group (6.1 +/- 2.3) compared to the control group (2.8 +/- 0.7). The chromosomal aberrations detected were in the form of gaps, breaks and fragments. A significant increase in the incidence of micronucleated lymphocytes was found among the exposed group (7.1 +/- 4.2) compared to the control group (5.4 +/- 2.2) (P less than 0.01). The detected chromosomal damage correlated neither with the duration of exposure nor with the urinary mercury level.
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