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BioMed Research InternationalVolume 2014 2014, Article ID 871609, 17 pages

Review Article

Department of Nuclear Medicine, Innsbruck Medical University, Anichstraße 35, 6020 Innsbruck, Austria

Molecular Imaging and Radiochemistry, Department of Nuclear Medicine, Friedrich-Alexander University, Schwabachanlage 6, 91054 Erlangen, Germany

Received 25 March 2014; Accepted 29 April 2014; Published 11 June 2014

Academic Editor: Patrick Riss

Copyright © 2014 Roland Haubner et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Noninvasive determination of integrin expression has become an interesting approach in nuclear medicine. Since the discovery of the first

F-labeled cyclic RGD peptide as radiotracer for imaging integrin expression in vivo, there have been carried out enormous efforts to develop RGD peptides for PET imaging. Moreover, in recent years, additional integrins, including and , came into the focus of pharmaceutical radiochemistry. This review will discuss the tracers already evaluated in clinical trials and summarize the preliminary outcome. It will also give an overview on recent developments to further optimize the first-generation compounds such as

FGalacto-RGD. This includes recently developed

F-labeling strategies and also new approaches in

Ga-complex chemistry. Furthermore, the approaches to develop radiopharmaceuticals targeting integrin and will be summarized and discussed.





Autor: Roland Haubner, Simone Maschauer, and Olaf Prante

Fuente: https://www.hindawi.com/



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