Catechol-O-methyltransferase activity and classification of depression.
Red blood cell catechol-O-methyltransferase (COMT) activity was compared across different depressive diagnoses. In a sample of 88 depressed inpatients, using defined criteria, no difference was found in respect of enzyme activity and the following categories: primary, secondary, delusional, nondelusional, endogenous, nonendogenous (neurotic), characterological depressions. COMT did not vary with age or sex. A significant increase in COMT activity was noted in agitated, depressed males, as compared to other groups.
Davidson, JR; McLeod, MN; Turnbull, CD; White, HL; Feuer, EJ
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