Abstract

Dans le foie de rats porteurs de tumeurs (epitheliome de Guerin et sarcome de l'estomac), les activites de la cystathionase, de la decarboxylase de l'acide cysteine sulfinique et de la serine dehydrase sont considerablement diminuees: cette diminution est de l'ordre de 50%, 15 jours apres implantation de ces tumeurs. Si a ce moment le sarcome (qui ne provoque pas de metastases) est chirurgicalement extirpe, on observe une restauration des activites enzymatiques qui, apres 15 jours, est totale pour la cystathionase et tres significative pour la decarboxylase.

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