Erythrocyte and leucocyte numbers and cyclic AMP content were monitored weekly in a mentally defective short-cycle manic-depressive woman. The erythrocyte count remained relatively constant but cyclic AMP content when manic was significantly higher than when depressed, and the mood and biochemical data appeared to have the same periodicity, with coincident peaks and troughs. Total leucocytes were related to mood, with peaks in the manic phase. Mononuclear cyclic AMP content varied without relation to manic or depressive phases.
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Buckley et al. (1980) studied this question.
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