Plasma levels of phenylacetic acid, m- and p-hydroxyphenylacetic acid, and platelet monoamine oxidase activity in schizophrenic and other patients.

Blood from chronic schizophrenic patients in two hospitals (A and B) and from institutional and noninstitutional controls was analyzed for platelet monoamine oxidase (MAO) activity toward three different substrates (tryptamine, phenylethylamine, and p-tyramine) and for plasma levels of conjugated and unconjugated phenylacetic acid (PAA) and m- and p… CONTINUE READING