Process for determining the phototoxicity and/or...

C - Chemistry – Metallurgy – 12 – Q

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Details

C12Q 1/00 (2006.01) A61K 49/00 (2006.01) C12Q 1/18 (2006.01) G01N 33/483 (2006.01) G01N 33/50 (2006.01) G01N 33/15 (2006.01)

Patent

CA 2247192

The invention relates to a process for determining the phototoxicity and/or photosensitivity of substances or mixtures thereof, including bringing the chemical substance or substance mixture into contact with a non-human vertebrate embryo or tissues or tissue components of a vertebrate embryo, with the exception of human skin cell cultures. After contacting, there is also treatment with electromagnetic radiation in the range of 1 mm to 200 nm, and subsequent evaluation of the embryo pathology, tissue pathology or cell pathology. The invention also relates to the use of a non-human vertebrate embryo or tissues or tissue components of such a vertebrate embryo, with the exception of human skin cell cultures, to determine the phototoxicity and/ or photosensitivity of chemical substances or mixtures thereof.

L'invention concerne un procédé pour déterminer la phototoxicité et/ou la photosensibilité de substances ou de mélanges de substances, consistant à mettre la substance chimique ou le mélange de substances en contact avec un embryon vertébré non humain ou bien avec des tissus ou des constituants tissulaires d'un embryon vertébré, à l'exception de cultures cellulaires cutanées humaines. Cette mise en contact est suivie d'un traitement avec un rayonnement électromagnétique dans la plage de 1 mm à 200 nm, et d'une évaluation de la pathologie embryonnaire, tissulaire ou cellulaire. L'invention concerne également l'utilisation d'un embryon vertébré non humain ou bien de tissus ou de constituants tissulaires d'un tel embryon, à l'exception de cultures cellulaires cutanées humaines, pour déterminer la phototoxicité et/ou la photosensibilité de substances chimiques ou de mélanges de celles-ci.

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