A new type of mitochondrial monoamine oxidase distinct from type-A and type-B.

@article{Kinemuchi1983ANT,
  title={A new type of mitochondrial monoamine oxidase distinct from type-A and type-B.},
  author={Hiroyasu Kinemuchi and M Sudo and Masataka Yoshino and T. Kawaguchi and Y Sunami and Kazuya Kamijo},
  journal={Life sciences},
  year={1983},
  volume={32 5},
  pages={
          517-24
        }
}
Enzymic and molecular characteristics of a new form of monoamine oxidase, distinct from form-A and form-B.
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By the present definitions ofMAO-A and MAO-B, MAO in carp brain and liver is similar to, but distinct from, both these forms of MAO.
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Catfish brain and liver contain a single form of MAO, relatively similar to mammalian MAO-A, which was determined using 5-hydroxytryptamine, tyramine and beta-phenylethylamine as substrates.
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It is revealed that the squid liver MAO, unlike the rat liverMAO, is capable of deaminating not only tyramine, serotonin, and benzylamine, but also histamine, and the specificity of action of an irreversible inhibitor, proflavine, is established, which was seen at deamination of various substrates by the squid Liver MAO to the greater degree.
Inhibition of carp liver mitochondrial monoamine oxidase by some commonly-used detergents.
TLDR
It is suggested that Triton X-100 had different actions on the enzyme depending on preincubation, depending on the concentration of detergent used, as well as slightly changed enzyme sensitivity towards clorgyline and deprenyl.
Comparative enzymologic study of catalytical properties of liver monoamine oxidases of sturgeon fish
TLDR
All studied enzymes have been established to have the higher activity toward serotonin and noradrenalin-substrates of the MAO A form as compared with benzylamine, β-phenylethylamin, and N-methylhistamine-substrate of the mammalian MAO B form, the maximal activity being characteristic of the giant sturgeon.
Comparative sensitivity of liver monoamine oxidases of frog and whitefish to some tricyclic compounds
TLDR
The obtained data of the inhibitory analysis with use of specific substrates are an indirect proof for the existence in liver of the studies frog species of two molecular forms, whereas in the whitefish liver—the single molecular MAO form.
Some characteristics of mitochondrial monoamine oxidase activity in eggs of carp (Cyprinus carpio) and rainbow trout (Salmo gairdneri).
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...
...

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The concentration dependence of the oxidation rates of serotonin by the two forms of MAO in rat liver mito chondria is investigated.
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