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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Genetic toxicity: in vitro

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Administrative data

Endpoint:
in vitro gene mutation study in mammalian cells
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1996

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The mutagenicity of lead chloride was examined in Chinese hamster ovary AS52 cells at concentrations from 0.1 - 1.0 uM.
GLP compliance:
not specified
Type of assay:
other: mammalian cell gene mutation assay

Test material

Constituent 1
Reference substance name:
Lead chloride
IUPAC Name:
Lead chloride
Test material form:
solid
Details on test material:
CAS number not specified
Specific details on test material used for the study:
CAS number not specified

Results and discussion

Test results
Species / strain:
Chinese hamster Ovary (CHO)
Metabolic activation:
not specified
Genotoxicity:
positive
Cytotoxicity / choice of top concentrations:
cytotoxicity
Vehicle controls validity:
valid
Untreated negative controls validity:
not examined
Positive controls validity:
not examined
Remarks on result:
other: Test system: all strains/cell types tested

Any other information on results incl. tables

Lead chloride had little effect on cell viability up to concentrations of 0.5 uM. Lead chloride induced a dose-dependent increase in the isolation of mutants resistant to 6-thioguanine (TG) compared to controls.

Applicant's summary and conclusion

Conclusions:
Interpretation of results: positive
Executive summary:

The mutagenicity of lead chloride was examined in Chinese hamster ovary AS52 cells at concentrations from 0.1 - 1.0 uM. Lead chloride had little effect on cell viability up to concentrations of 0.5 uM. Lead chloride induced a dose-dependent increase in the isolation of mutants resistant to 6-thioguanine (TG) compared to controls.