Cytogenetic toxicity of gentian violet and crystal violet on mammalian cells in vitro.
The cytogenetic toxicity of gentian violet in Chinese hamster CHO cells in vitro has been studied by analyzing (1) squash preparations from direct fixation for recording mitotic anomalies and (2) air-dried preparations (with colcemid--hypotonic pretreatments) for recording metaphase chromosome aberrations. It was concluded that this compound is a mitotic poison as well as a clastogen in vitro. Its clastogenic property was confirmed in 5 other different mammalian cel types. 10 samples of different gentian violet and crystal violet were surveyed and all were shown to be clastogenic. Unless in vivo studies prove otherwise, gentian violet and crystal violet should be regarded as biohazardous substances.[1]References
- Cytogenetic toxicity of gentian violet and crystal violet on mammalian cells in vitro. Au, W., Pathak, S., Collie, C.J., Hsu, T.C. Mutat. Res. (1978) [Pubmed]
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