Namitecan (ST-1968) (Synonyms: ST-1968) |
| رقم الكتالوجGC34156 |
نامتيكان (ST-1968) هو أحد مثبطات توبويزوميراز 1 القوية ، مع خاصية مضادة للأورام.
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Cas No.: 372105-27-6
Sample solution is provided at 25 µL, 10mM.
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Namitecan is a potent topoisomerase I inhibitor, with antitumor property.
Namitecan and cetuximab cooperate in inhibiting EGFR expression. Namitecan induces a dose-dependent decrease in EGFR expression in the different cell lines[1]. ST1968 induces a comparable level of apoptosis in A431 and A431/TPT cells with IC50 of 0.21 and 0.29 μM[2].
Namitecan (10 mg/kg) in combination with cetuximab (1 mg/mouse) induces synergistic antitumor effects in SCC models as a function of EGFR gene copy number[1]. ST1968 (25 mg/kg) causes acceptable body weight loss and no toxic deaths. ST1968 produces a 100% complete response rate in the mice bearing the A431 tumor, and retains a relevant activity in the topotecan-resistant tumor[2].
[1]. De Cesare M, et al. Synergistic antitumor activity of cetuximab and namitecan in human squamous cell carcinoma models relies on cooperative inhibition of EGFR expression and depends on high EGFR gene copy number. Clin Cancer Res. 2014 Feb 15;20(4):995-1006. [2]. Zuco V, et al. Efficacy of ST1968 (namitecan) on a topotecan-resistant squamous cell carcinoma. Biochem Pharmacol. 2010 Feb 15;79(4):535-41.
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