Pfuhler, Stefan; Downs, Thomas R.; Hewitt, Nicola J.; Hoffmann, Sebastian; Mun, Greg C.; Ouedraogo, Gladys; Roy, Shambhu; Curren, Rodger D.; Aardema, Marilyn J. published an article about the compound: 2,3-Dibromo-1-propanol( cas:96-13-9,SMILESS:OCC(Br)CBr ).Formula: C3H6Br2O. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:96-13-9) through the article.
In vitro test batteries have become the standard approach to determine the genotoxic potential of substances of interest across industry sectors. While useful for hazard identification, standard in vitro genotoxicity assays in 2D cell cultures have limited capability to predict in vivo outcomes and may trigger unnecessary follow-up animal studies or the loss of promising substances where animal tests are prohibited or not desired. To address this problem, a team of regulatory, academia and industry scientists was established to develop and validate 3D in vitro human skin-based genotoxicity assays for use in testing substances with primarily topical exposure. Validation of the reconstructed human skin micronucleus (RSMN) assay in MatTek Epi-200 skin models involved testing 43 coded chems. selected by independent experts, in four US/European laboratories The results were analyzed by an independent statistician according to predefined criteria. The RSMN assay showed a reproducibly low background micronucleus frequency and exhibited sufficient capacity to metabolise pro-mutagens. The overall RSMN accuracy when compared to in vivo genotoxicity outcomes was 80%, with a sensitivity of 75% and a specificity of 84%, and the between- and within-laboratory reproducibility was 77 and 84%, resp. A protocol involving a 72-h exposure showed increased sensitivity in detecting true pos. chems. compared to a 48-h exposure. An anal. of a test strategy using the RSMN assay as a follow-up test for substances pos. in standard in vitro clastogenicity/aneugenicity assays and a reconstructed skin Comet assay for substances with pos. results in standard gene mutation assays results in a sensitivity of 89%. Based on these results, the RSMN assay is considered sufficiently validated to establish it as a ‘tier 2’ assay for dermally exposed compounds and was recently accepted into the OECD’s test guideline development program.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem