
Am J Psychiatry 162:383-385, February 2005
© 2005 American Psychiatric Association
No Change in Serotonin Type 1A Receptor Binding in Patients With Posttraumatic Stress Disorder
Omer Bonne, M.D.,
Earle Bain, M.D.,
Alexander Neumeister, M.D.,
Allison C. Nugent, Ph.D.,
Meena Vythilingam, M.D.,
Richard E. Carson, Ph.D.,
David A. Luckenbaugh, M.A.,
William Eckelman, Ph.D.,
Peter Herscovitch, M.D.,
Wayne C. Drevets, M.D., and
Dennis S. Charney, M.D.
OBJECTIVE: Serotonin type 1A receptors (5HT1ARs) have been shown to be affected by stress in experimental animals and related to anxiety and depression in humans. In the present study, the authors sought an association between 5HT1AR binding and posttraumatic stress disorder (PTSD). METHOD: Using positron emission tomography and the radioligand [18F]FCWAY, the authors compared 5HT1AR binding between patients with PTSD and healthy subjects. RESULTS: No significant differences in 5HT1AR distribution volume, binding potential, or tracer delivery were found. CONCLUSIONS: 5HT1AR expression may not be altered in patients with PTSD.
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Y. H. Ryu, J.-S. Liow, S. Zoghbi, M. Fujita, J. Collins, D. Tipre, J. Sangare, J. Hong, V. W. Pike, and R. B. Innis
Disulfiram Inhibits Defluorination of 18F-FCWAY, Reduces Bone Radioactivity, and Enhances Visualization of Radioligand Binding to Serotonin 5-HT1A Receptors in Human Brain
J. Nucl. Med.,
July 1, 2007;
48(7):
1154 - 1161.
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