Abstract
The oxidative deamination of cystamine and homocystamine by mammalian oxidases has been studied. The histaminase of pig kidney oxidizes homocystamine much more slowly than cystamine. The amine oxidase of mammalian liver (guinea-pig, rabbit) oxidizes homocystamine more rapidly than cystamine. Both amines are oxidized by plasma (or serum) of ruminants (ox, sheep, goat) and of the horse. In the enzymatic oxidation of homocystamine both aminogroups are removed; there is no evidence that a ring compound analogous to cystaldimine is accumulating.
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Selected References
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