title: Platelet MAO activity and age at onset of depression in elderly depressed women.
abstract: Platelet monoamine oxidase (MAO) activity was assayed in 38 elderly depressed women and 16 matched controls. The depressed women whose illness began at age 55 or earlier (N = 19) had significantly lower MAO activity than patients with later onset (N = 19) or controls.
mesh_terms: D000367:Age Factors; D000368:Aged; D001792:Blood Platelets / Q000201:enzymology*; D003866:Depressive Disorder / Q000175:diagnosis / Q000201:enzymology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D008995:Monoamine Oxidase / Q000097:blood*; D011569:Psychiatric Status Rating Scales
chemical_list: D008995:Monoamine Oxidase