Abstract
This study was performed to investigate whether acrylamide (AA), occured during cooking carbohydrate-rich foods at high temperature, increased the frequency of micronucleated polychromatic erythrocytes (MNPCEs) in rat bone marrow. For this purpose AA, dissolved in distilled water, was administered to 8-week old male Sprague Dawley rats at single oral doses of 0, 125, 150 or 175 mg/kg b.w. After 48 h from AA treatment, the bone marrow samples were analysed for the frequency of MNPCEs. The cytotoxic effect of AA on bone marrow was also tested by assessing polychromatic erythrocyte/normochromatic erythrocyte (PCE/NCE) ratio. It was found that all three doses applied significantly increased the frequency of MNPCEs and this increase was 3.75-fold in rats given the highest administered dose of AA. In addition AA decreased the PCE/NCE ratio, which is indicative of bone marrow cytotoxicity when compared to the control group. This study displayed that AA increased the formation of micronuclei in polychromatic erythrocytes (PCEs) of rat bone marrow and this increase might have resulted from administrating the high dose level of AA to rats by gavage instead of by i.p. injection.
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