Summary
The direct action of sensitizing occupational chemicals (formaldehyde, phenol, phenylhydrazine, p-aminophenol) on rat mast cells was investigated by determination of histamine using HPLC separation and fluorimetric detection. It turned out that dispensed mast cells from immunized and non-immunized Wistar-rats are more sensitive than small-cut lung tissue slices.
Passive cutaneous anaphylaxis was negative after a fortnight sensitizing experiment with the here described occupational chemicals. Short-time tests with rat mast cells reflect anaphylactoid response and are suitable for the screening of sensitizing chemicals.
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Part of this study was supported by a grant of the Deutsche Forschungsgemeinschaft (Di 239/1-4)
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Diel, F., Neidhart, B. & Oprée, W. Application of rat mast cell incubates as a possible short-time test for sensitizing occupational chemicals. Int. Arch Occup Environ Heath 48, 369–373 (1981). https://doi.org/10.1007/BF00378685
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DOI: https://doi.org/10.1007/BF00378685