The benefits of SLE in the development of a GLP protocol for the measurement of 17β-estradiol and testosterone in the H295R steroidogenesis assay, Test No 456

Regulators are concerned about the potential for environmental chemicals such as agrochemicals and their metabolites to perturb hormone systems. This has led to recommendations for the testing of potential endocrine disrupting chemicals. 

The Steroidogenesis H295R assay is an in vitro cell model used to investigate compound effects on steroid hormone biosynthesis, specifically 17β-estradiol (E2) and testosterone (T). The human H295R adreno-carcinoma cell line expresses genes that encode for all the key enzymes for steroidogenesis and thus forms one of the required OECD in vitro tests (TG456) for the assessment of potential endocrine disrupting chemicals. 

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