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Genetic toxicology studies with glutaraldehyde
Jane S Vergnes1, Bryan Ballantyne
1Bushy Run Research Center, Export, PA 15632, USA.
Journal of Applied Toxicology : JAT
|January 25, 2002
Summary
Glutaraldehyde (GA) showed weak mutagenic effects in vitro bacterial assays but no genotoxicity in mammalian cell tests or in vivo studies. Further research confirmed no significant genotoxic potential in living organisms.
Area of Science:
- Toxicology
- Genetics
- Biochemistry
Background:
- Glutaraldehyde (GA) is widely used in industrial, scientific, and biomedical fields.
- Human exposure to GA is possible, particularly through its biocidal applications.
Purpose of the Study:
- To investigate the genotoxic potential of Glutaraldehyde (GA) in vitro and in vivo.
- To assess the mutagenicity and clastogenicity of GA in various test systems.
Main Methods:
- In vitro: Salmonella typhimurium reverse mutation assay, Chinese hamster ovary (CHO) forward gene mutation assay (HGPRT locus), sister chromatid exchange assay, and chromosomal aberration assay.
- In vivo: Mouse peripheral blood micronucleus test and rat bone marrow chromosomal aberration assay.
Main Results:
- A weak mutagenic response was observed with TA100 strain in the Salmonella assay with metabolic activation.
- No consistent mutagenic, clastogenic, or sister chromatid exchange effects were found in mammalian cell assays (in vitro).
- No genotoxic effects were observed in vivo, including micronucleus formation in mice and chromosomal aberrations in rats.
Conclusions:
- Glutaraldehyde (GA) demonstrated genotoxic effects only in a specific bacterial in vitro assay.
- The study found no evidence of in vivo genotoxicity for Glutaraldehyde (GA).
- GA's genotoxic potential appears limited under the tested conditions, particularly in mammalian systems and in vivo.