Assessment of the toxic and potential teratogenic effects of four glycol ethers and two derivatives using the hydra regeneration assay and rat whole embryo culture

The widespread use of the glycol ethers as solvents in manufacturing industries presents a vast potential for occupational exposure. In the present study the potential hazards of four glycol ethers and two derivatives were assessed using two in vitro tests, rat whole embryo culture and the hydra reg...

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Veröffentlicht in:Toxicology in vitro 1995-10, Vol.9 (5), p.773-781
Hauptverfasser: Bowden, H.C., Wilby, O.K., Botham, C.A., Adam, P.J., Ross, F.W.
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container_end_page 781
container_issue 5
container_start_page 773
container_title Toxicology in vitro
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creator Bowden, H.C.
Wilby, O.K.
Botham, C.A.
Adam, P.J.
Ross, F.W.
description The widespread use of the glycol ethers as solvents in manufacturing industries presents a vast potential for occupational exposure. In the present study the potential hazards of four glycol ethers and two derivatives were assessed using two in vitro tests, rat whole embryo culture and the hydra regeneration assay. Concentrations used ranged from 0.3 to 1.0 mg/ml in embryo culture and from 0.03 to 80.0 mg/ml in the hydra assay. The embryotoxic potential of the ethylene glycol mono-alkyl ethers was shown to increase with the length of the alkyl chain. This is in contrast to in vivo data but can be explained by the lack of maternal metabolism in the in vitro systems. However, the teratogenic hazard ratings obtained in the hydra assay and the types of malformations observed in embryo culture support in vivo data. Results obtained for diethylene glycol monoethyl ether are in agreement with in vivo data. Results of both assays suggest that ethylene glycol monosalicylate presents a significant potential teratogenic hazard and that ethylene glycol tetra-acetic acid presents toxic and teratogenic potentials. When the effects of maternal toxicity and metabolism are considered, the overall picture presented by the present results is one of general agreement with in vivo data.
doi_str_mv 10.1016/0887-2333(95)00054-C
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subjects Biological and medical sciences
Chemical and industrial products toxicology. Toxic occupational diseases
Hydra vulgaris
Medical sciences
Solvents
Toxicology
title Assessment of the toxic and potential teratogenic effects of four glycol ethers and two derivatives using the hydra regeneration assay and rat whole embryo culture
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