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The Syrian hamster embryo (SHE) cell transformation assay (CTA) is a short-term in vitro assay recommended as an alternative method for testing the carcinogenic potential of chemicals. SHE cells are “normal” cells since they are diploid, genetically stable, non-tumourigenic, and have metabolic capabilities for the activation of some classes of carcinogens. The CTA, first developed in the 1960s by...
The European Centre for the Validation of Alternative Methods (ECVAM) has organised an interlaboratory prevalidation study on the Syrian hamster embryo (SHE) cell transformation assay (CTA) at pH 7.0 for the detection of rodent carcinogens. The SHE CTA at pH 7.0 has been evaluated for its within-laboratory reproducibility, transferability and between-laboratory reproducibility. Four laboratories using...
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