In vivo antitumor efficacy and cardiotoxicity of novel anthracycline ID6105(11-hydroxy-aclacinomycin X, Hyrubicin)
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- In vivo antitumor efficacy and cardiotoxicity of novel anthracycline ID6105(11-hydroxy-aclacinomycin X, Hyrubicin)
- J S Ryu; H S Lee; Young-Soo Hong; Jung Joon Lee; U D Sohn; T Y Kim
- Bibliographic Citation
- Cancer Chemotherapy and Pharmacology, vol. 57, no. 6, pp. 811-818
- Publication Year
- Hybrid biosynthetic approach produced a new anthracycline ID6105 (11-hydroxyaclacinomycin X, Hyrubicin), which has potent antitumor activities against a broad range of cancer cell lines. Like other anthracyclines, ID6105 has the inhibitory effects on DNA synthesis as well as topoisomerase II. As preclinical studies of ID6105, we investigated ID6105's efficacy on human tumors, and cardiotoxicity. In human tumor xenografts, the ID6105's antitumor effects were greater than other anticancer drugs. ID6105 induced tumor regression in Hep G2 human hepatoma model, and slowed down the tumor growth rates in several tumor models. Doxorubicin-refractory tumors such as PC-3, DU-145, and CX-1 were sensitive to ID6105, and the growth of EKVX, lung cancer, which did not respond to paclitaxel, was also inhibited by ID6105, but tumor mass in CFPA, MCF7, and HCT-15 was not reduced by ID6105. The cardiotoxicity of ID6105 has also been assessed in rats. ID6105 did not induce any remarkable histopathological changes in hearts, and its lipid peroxidation in rat cardiac muscles did not occur as much as doxorubicin, indicating that the cardiotoxicity of ID6105 is remarkably lower than that of doxorubicin. Taking all into account, our results suggest that ID6105 would be a promising candidate for a novel anthracycline chemotherapeutic agent.
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- Ochang Branch Institute > Chemical Biology Research Center > 1. Journal Articles
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