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  • Title: MDL 72145, an enzyme-activated irreversible inhibitor with selectivity for monoamine oxidase type B.
    Author: Zreika M, McDonald IA, Bey P, Palfreyman MG.
    Journal: J Neurochem; 1984 Aug; 43(2):448-54. PubMed ID: 6736960.
    Abstract:
    MDL 72145, (E)-2-(3',4'-dimethoxyphenyl)-3-fluoroallylamine hydrochloride, was designed and synthesised as a potential enzyme-activated irreversible inhibitor of monoamine oxidase (MAO). In vitro, the compound displayed time-dependent pseudo-first-order irreversible inhibitory characteristics with high selectivity for the B form of rat brain mitochondrial MAO. At 10 degrees C the Ki and tau 50 values for the B enzyme were 40 microM and 1.7 min, respectively, while these same kinetic constants for the A enzyme were 131 microM and 14.5 min, respectively. Selective protection against inactivation of the two forms of MAO by MDL 72145 was obtained by preincubating the enzyme with suitable concentrations of the selective A and B substrates, 5-hydroxytryptamine and benzylamine.
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