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Critical Reviews™ in Neurobiology
SJR: 0.121

ISSN Imprimer: 0892-0915
ISSN En ligne: 2375-0014

Archives: Volume 10, 1996 to Volume 20, 2008

Critical Reviews™ in Neurobiology

DOI: 10.1615/CritRevNeurobiol.v16.i4.10
pages 229-236

Molecular and Cellular Mechanisms for the Polarized Sorting of Serotonin Receptors: Relevance for Genesis and Treatment of Psychosis

Bryan L. Roth
Departments of Biochemistry, Psychiatry and Neurosciences and National Institute of Mental Health Psychoactive Drug Screening Program. Case Western Reserve University Medical School, Cleveland, Ohio, USA
Zongqi Xia
Departments of Biochemistry, Psychiatry and Neurosciences and National Institute of Mental Health Psychoactive Drug Screening Program. Case Western Reserve University Medical School, Cleveland, Ohio, USA

RÉSUMÉ

The 5-HT2A serotonin receptor represents the principal molecular target for the actions of both classic hallucinogens, which function as agonists, and atypical antipsychotic drugs, which function as inverse agonists. Pharmacological agents that modify the activity of 5-HT2A receptors are known to modulate human perception and cognition. 5-HT2A receptors are found predominantly in the apical dendritic segment and dendritic spines of cortical pyramidal neurons. This review discusses our current understanding of the molecular and cellular mechanisms governing the preferential targeting of 5-HT2A receptors to apical dendrites and dendritic spines. Uncovering the processes responsible for the polarization of 5-HT2A receptors to neuronal subdomains will likely provide crucial insights into the modulating mechanisms that can affect human cognition and perception.


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