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Title: Relationship of platelet MAO activity to characteristics of major depressive illness. Author: Georgotas A, McCue RE, Friedman E, Hapworth WE, Kim OM, Cooper TB, Chang I, Stokes PE. Journal: Psychiatry Res; 1986 Dec; 19(4):247-56. PubMed ID: 3809323. Abstract: Sixty-seven patients (greater than or equal to 55 years of age) with major depressive disorder had pretreatment assays of platelet monoamine oxidase (MAO) activity. As in previous studies, women had higher MAO activity than men, and MAO activity was positively correlated with age. Patients with melancholia (DSM-III) had significantly higher MAO activity than those without melancholia. This finding may reflect the higher MAO activity associated with the symptoms of anhedonia and mood autonomy. Anxiety also was correlated with higher MAO activity, as was a positive family history of depression. In addition, postdexamethasone cortisol levels were correlated with platelet MAO activity.[Abstract] [Full Text] [Related] [New Search]