Startseite Thymidine kinase enzyme selective imaging radiopharmaceutical: 99mTc(CO)3-Ganciclovir
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Thymidine kinase enzyme selective imaging radiopharmaceutical: 99mTc(CO)3-Ganciclovir

  • Buket Gedik , Serap Teksöz , Çigdem İçhedef , Ayfer Yurt Kilçar , E. İlker Medine und Eser Uçar
Veröffentlicht/Copyright: 17. Dezember 2012

Abstract

The aim of this study is to radiolabel ganciclovir, known as having selective antiviral properties against thymidine kinase, with technetium tricarbonylcore (99mTc(CO)3+) and to investigate the biological behavior of this complex in vitro and in vivo. Commercially provided Ganciclovir (GCV) was radiolabeled with 99mTc(CO)3+. Initially, optimum radiolabeling conditions were determined by analyzing factors such as temperature, pH and time. Quality control of the radiolabeled compound was performed. The radiolabeling yield was found to be 97%. The 99mTc(CO)3-GCV complex also displayed good in vitro stability during the 24 h period. In vitro cell uptake studies showed that the 99mTc(CO)3-GCV complex is highly uptaken in A-549, PC-3, HeLa cell lines according to the control group 99mTc(I)-tricarbonyl core. The knowledge gained from in vivo and in vitro studies of 99mTc(CO)3-GCV could contribute to the development of a new HSV1-tk gene imaging agent.


* Correspondence address: Ege University, Institute of Nuclear Sciences, Department of Nuclear Applications, 35100 Bornova, Izmir, Türkei,

Published Online: 2012-12-17
Published in Print: 2013-02

© by Oldenbourg Wissenschaftsverlag, München, Germany

Heruntergeladen am 28.11.2025 von https://www.degruyterbrill.com/document/doi/10.1524/ract.2013.2003/html
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