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Multiple forms of monoamine oxidase in chronic schizophrenia
Abstract:
Reduced monoamine oxidase was found in the sera of fourty five schizophrenic patients with enzyme level (10 units), only five of these patients show enzyme level identical with minimum range of normal controls. Michaelis constants of schizophrenic patients show great difference from that of the normal controls. Our result suggests that schizophrenic patients possess a qualitatively different monoamine oxidase with an altered molecular structure. Four and five multiple forms were found in sera of normal human and schizophrenic patients respectively, using sepharose 6B, indicated that these different forms were of different molecular weight. Each multiple form is identified by cellulose acetate electrophoresis as they attached to different fraction of serum proteins.
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