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Platelet 2-adrenoreceptors in depression: a critical examination
Fred Grossman
Section on Clinical Pharmacology, Experimental Therapeutics Branch, National Institute of Mental Health, Bethesda, MD 20892, USA
Husseini K. Manji
Section on Clinical Pharmacology, Experimental Therapeutics Branch, National Institute of Mental Health, Bethesda, MD 20892, USA
William Z. Potter
Section on Clinical Pharmacology, Experimental Therapeutics Branch, National Institute of Mental Health, Bethesda, MD 20892, USA
During the past decade, results from radioligand studies comparing platelet 2-adrenoreceptors in depressed patients and healthy volunteers have been inconsistent, especially when related to the known functional characteristics of these receptors. Despite the availability of radioligands for 2-adrenoreceptors, inherent methodological problems exist which make data from these studies difficult to interpret. The authors review the overall data from radioligand studies using [3H] clonidine and [3H] yohimbine of platelet 2-adrenoreceptors in depressed patients and healthy volunteers. Theoretical and methodological issues are critically examined in the light of recent findings. Finally, alternative strategies for studying 2-adrenoreceptors in clinical populations are considered.
Key Words: 2-adrenoreceptors platelets depression radioligand studies review
Journal of Psychopharmacology, Vol. 7, No. 1 suppl,
4-18 (1993)
DOI: 10.1177/0269881193007001031

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