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Positron Emission Tomography

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Enhancing Efficiency and Radiolabeling Yields of Carbon-11 Radioligands for Clinical Research Using the Loop Method

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Subtype-selective dopamine receptor radioligands for PET imaging: current status and recent developments.

A Banerjee¹, O Prante

¹Laboratory of Molecular Imaging and Radiochemistry, Nuclear Medicine Clinic, Friedrich-Alexander University, Schwabachanlage 6, D-91054 Erlangen, Germany.

Current Medicinal Chemistry

|July 12, 2012

Summary

This review covers subtype-selective dopamine receptor radioligands for positron emission tomography (PET) imaging. It summarizes existing and emerging radioligands for visualizing dopamine receptor expression in vivo.

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Area of Science:

Radiopharmaceutical research
Neuroimaging
Molecular imaging

Background:

Dopamine receptors play crucial roles in neurological functions.
Accurate in vivo imaging of dopamine receptor subtypes is essential for understanding brain disorders.
Positron emission tomography (PET) offers high sensitivity for molecular imaging.

Purpose of the Study:

To provide a comprehensive overview of subtype-selective dopamine receptor radioligands.
To highlight the current status and recent advancements in PET imaging of dopamine receptors.
To discuss radioligands developed for in vitro and in vivo studies.

Main Methods:

Review of existing literature on dopamine receptor radioligands.
Summary of radioligands labeled with Carbon-11 ((11)C) and Fluorine-18 ((18)F).
Inclusion of radioligands studied through in vitro and in vivo experiments.

Main Results:

Overview of clinically utilized (11)C- and (18)F-labeled radioligands.
Presentation of various subtype-selective radioligands investigated in research settings.
Identification of key developments in the field of dopamine receptor PET imaging.

Conclusions:

Subtype-selective radioligands are critical for precise in vivo dopamine receptor imaging.
Continued development of novel radioligands enhances PET's diagnostic capabilities.
This field of radiopharmaceutical research is rapidly advancing with promising future applications.