Characterization of 5-HT( 1A,B) and 5-HT( 2A,C) serotonin receptor binding.

William P Clarke, Kelly A Berg, Georgianna G Gould, Alan Frazer

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Abstract

This unit describes assays for measuring the binding of radioligands to two major types of receptors for 5-hydroxytryptamine (5-HT or serotonin), 5-HT 1 and 5-HT 2 receptors, in homogenates of brain tissue or cloned into cells in culture. The specific receptor subtypes covered are 5-HT( 1A), 5-HT( 1B), 5-HT( 2A), and 5-HT( 2C). In addition, methodology for using quantitative autoradiography to measure radioligand binding to serotonin receptors in brain slices is described. Protocols are provided for characterization of both saturation and competition binding assays, and instructions for data analysis of these assays is also described. In addition, methodology is provided for the quantification (image analysis) of radioligand binding in brain tissue sections to determine receptor density, preparation of rat brain sections for quantitative autoradiography, and thionin staining of thaw-mounted tissue sections to define certain brain regions.

Original languageEnglish (US)
JournalCurrent protocols in pharmacology / editorial board, S.J. Enna (editor-in-chief) ... [et al.]
VolumeChapter 1
StatePublished - May 2001

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Receptor, Serotonin, 5-HT2A
Serotonin
Brain
Serotonin Receptors
Autoradiography
Thionins
Serotonin 5-HT2 Receptors
Cell Culture Techniques
Staining and Labeling

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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AU - Berg, Kelly A

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AU - Frazer, Alan

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