Abstract
Diethylstilbestrol (DES) is a well known, nonsteroidal estrogen with high affinity for the estrogen receptor (ER). Today DES is used to treat breast and prostate cancers. A phosphate derivative of DES [Diethylstilbestrol diphosphate (DES-P)] which is specific to tumor cells consisting alkaline phosphatase enzyme was synthesized and labeled with 99mTc using tin chloride as reducing agent. In vivo biological activity of 99mTc labeled diethylstilbestrol phosphate compound (99mTc-DES-P) was examined by biodistribution studies on Wistar Albino rats. Statistical evaluation was performed using SPSS 13 program. The percentage (%) radiolabeling yield of 99mTc-DES-P and quality control studies were done by Thin Layer Radio Chromatography (TLRC). Results showed that, 99mTc-DES-P may be proposed as an imaging agent for ER enriched tumors such as uterus and prostate and their metastases in bones.
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Acknowledgments
The authors thank the financial support from Ege University Scientific Research Fund with the Project Number 2009NBE001. Authors thank to Dr. Memduh Bülbül for providing ALP.
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Ünak, P., Biber Müftüler, F.Z., İçhedef, Ç. et al. Synthesis, radiolabeling and in vivo biodistribution of diethylstilbestrol phosphate derivative (DES-P). J Radioanal Nucl Chem 293, 57–66 (2012). https://doi.org/10.1007/s10967-012-1755-5
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DOI: https://doi.org/10.1007/s10967-012-1755-5