Genotoxicity of liquid formaldehyde on brain cells of goldfish
Xuan Yang
Abstract
Xuan Yang
Abstract
Objective To explore the DNA damage of brain cells of goldfish after formaldehyde exposure.Methods The goldfish were treated with liquid formaldehyde at different concentrations(10 μmol/L,100 μmol/L and 1 000 μmol/L) for three days.Single cell gelelectropho resis technique(comet assay) was used to test the DNA damage of the brain cells.Results Formaldehyde caused significant DNA strand break at the concentration of 10 μmol/L,100 μmol/L and 1 000 μmol/L.Conclusion Formaldehyde was a DNA strand breaker,when the concentration is higher,it may cause crosslinkagent to the brain invivo.
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Objective To explore the DNA damage of brain cells of goldfish after formaldehyde exposure.Methods The goldfish were treated with liquid formaldehyde at different concentrations(10 μmol/L,100 μmol/L and 1 000 μmol/L) for three days.Single cell gelelectropho resis technique(comet assay) was used to test the DNA damage of the brain cells.Results Formaldehyde caused significant DNA strand break at the concentration of 10 μmol/L,100 μmol/L and 1 000 μmol/L.Conclusion Formaldehyde was a DNA strand breaker,when the concentration is higher,it may cause crosslinkagent to the brain invivo.
Key concepts: Formaldehyde, Genotoxicity, Comet assay, DNA damage, DNA, Chemistry, Molecular biology, In vivo