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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 3
BKCSDE 29(3)
March 20, 2008

Title	Synthesis and Evaluation of 2-[¹²³I]iodoemodin for a Potential Breast Cancer Imaging Agent
Author	Jeong Hoon Park, Sang Wook Kim, Seung Dae Yang, Min Goo Hur, Kwon Soo Chun, Kook Hyun Yu
Keywords	Emodin, 2-[¹²³I]iodoemodin, HER-2/neu, Breast cancer, Tumor imaging
Abstract	Emodin (3-methyl-1,6,8-trihydroxyanthraquinone) is a natural chemotherapeutic compound with diverse biological properties including an antitumor activity. Emodin, a specific inhibitor of the protein tyrosine kinase, has a number of cellular targets in related to it. Its inhibition activity affects the mammalian cell cycle regulation in specific oncogene. Practically, it has been proven to inhibit HER-2/neu tyrosine kinase expressing breast cancer cells as an anticancer agent. 2-[¹²³I]iodoemodin has been synthesized and evaluated human breast cancer cells (MDA-MB-231, MCF-7, fibroblast as a control) which express basal levels of HER-2/neu tyrosine kinase to investigate its suitability as a breast cancer imaging agent and 2-iodoemodin has been synthesized as a standard compound. The radiochemical yield of the 2-[¹²³I]iodoemodin was about 72% and its radiochemical purity was over 97% after purification. The radioactivity of the 2-[¹²³I]iodoemodin was increased in a time dependent manner in both cell lines and the ratio of MDA-MB-231 and MCF7 to fibroblast was 2.9 and 1.7, respectively.
Page	595 - 598
Full Text	PDF

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