Electrophoretic pattern of plasma MAO in schizophrenia and affective illness

Robert H. Belmaker, Richard Ebstein, Dvorah Benbenisty

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Monoamine oxidase activity can be measured in human plasma. Though this enzyme is unlike intramitochondrial monoamine oxidases in platelet or brain, alterations of plasma monoamine oxidase activity have been reported in schizophrenia and depression. An electrophoretic study was undertaken to determine if genetic variants of the enzyme are involved in psychiatric illness. Plasma from 10 schizophrenic patients, 10 manic-depressive patients, 5 unipolar depressive patients and 8 normal controls was studied by polyacrilamide gel electrophoresis. No differences were found in the enzyme's electrophoretic pattern in the different diagnostic groups, and no reproducible individual differences were found.

Original languageEnglish
Pages (from-to)119-123
Number of pages5
JournalJournal of Psychiatric Research
Issue number2
StatePublished - 1 Jan 1977
Externally publishedYes

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry


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