AG-1478

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Background

AG-1478 is an inhibitor of EGFR which acts on EGF-stimulated Erk1/2 phosphorylation with IC50 value of 10 uM using ovarian cell line Ishikawa [1]. EGFR (epidermal growth factor receptor) belongs to human HER-1 family, which is a cell surface receptor and recognized by EGF-family (epidermal growth factor family). Many studies have shown that EGFR is over-expressed in a variety of solid tumors and its over-expression means bad prognosis for cancer patients [1]. AG1478 works as EGFR kinase inhibitor through blocking EGFR phosphorylation and superoxide anion production [2].Treating human hepatocellular carcinoma HA22T/VGH cells could reduce its anti-tumor activity compared with control group [3]. When tested with ovarian cancer cell lines CAOV-3 or SKOV-3, EGFR signaling was diminished [4]. When human colorectal SW480 was treated with AG-1478, both EGFR phosphorylation and cell proliferation were reduced [5].In nu/nu mice model with CAOV-3 cells xenografted, treatment with AG-1478 could diminish EGFR phosphorylation thus limited the growth of tumor [4].Gong XD, et al. had shown that AG-1478 also could reduce the expression of FOXM1 via FOXO3a using a NSCLC cell lines A549, and the A549 cells showed increased chemosensitivity[6].

1.Takai, N., et al., Synergistic anti-neoplastic effect of AG1478 in combination with cisplatin or paclitaxel on human endometrial and ovarian cancer cells. Mol Med Rep, 2010. 3(3): p. 479-84.
2.D'Anneo, A., et al., Parthenolide induces superoxide anion production by stimulating EGF receptor in MDA-MB-231 breast cancer cells. Int J Oncol, 2013. 43(6): p. 1895-900.
3.Bondi, M.L., et al., Entrapment of an EGFR inhibitor into nanostructured lipid carriers (NLC) improves its antitumor activity against human hepatocarcinoma cells. J Nanobiotechnology, 2014. 12(21): p. 1477-3155.
4.Yu, Y., et al., Synergistic effects of combined platelet-activating factor receptor and epidermal growth factor receptor targeting in ovarian cancer cells. J Hematol Oncol, 2014. 7(1): p. 1756-8722.
5.Yagublu, V., et al., Combination of the EGFR tyrosine kinase inhibitor AG1478 and 5-FU: no synergistic effect on EGFR phosphorylation, cell proliferation and apoptosis induction. Anticancer Res, 2013. 33(9): p. 3753-8.
6.Gong, X.D., et al., [Effects of AG1478 on the expression of FOXM1 gene via FOXO3a in non-small cell lung cancer cells]. Zhonghua Zhong Liu Za Zhi, 2013. 35(8): p. 572-8.