LY2835219 (Synonyms: Abemaciclib; LY2835219 methanesulfonate) |
| カタログ番号GC16822 |
LY2835219 (LY2835219 メタンスルホン酸) は選択的 CDK4/6 阻害剤であり、CDK4 と CDK6 の IC50 はそれぞれ 2 nM と 10 nM です。
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Cas No.: 1231930-82-7
Sample solution is provided at 25 µL, 10mM.
LY2835219 free base is a potent and selective inhibitor of CDK4 and CDK6 with IC50 of 2nM and 10nM in cell-free assays, respectively[1].
LY2835219 free base (0.001-10μM; 24h) inhibited p-Rb in a concentration-dependent manner, resulting in cell arrest in the G1 phase (2 N DNA content) and a decrease in cell number due to inhibition of proliferation. LY2835219 free base inhibits CDK4 and CDK6 with low nanomolar potency, inhibits Rb phosphorylation resulting in a G1 arrest and inhibition of proliferation, and its activity is specific for Rb-proficient cells[2]. LY2835219 free base (0.1, 0.2 and 0.4μM; 24h) potentiated the cytotoxicity of conventional chemotherapeutic agents in ABCB1 and ABCG2-overexpressing cells[3].
LY2835219 free base (50mg/kg; po; 56d) was effective and well tolerated in mice bearing Colo-205 xenograft tumors. After administration for up to 56days, there was no significant weight loss in mice and no significant tumor growth[2]. LY2835219 free base (45mg/kg; po; 14d) combined with RAD001 had a synergistic anti-tumor effect on HNSCC xenograft tumors[4].
References:
[1].Corona SP, Generali D. Abemaciclib: a CDK4/6 inhibitor for the treatment of HR+/HER2- advanced breast cancer. Drug Des Devel Ther. 2018 Feb 16;12:321-330.
[2]. Gelbert LM, Cai S, Lin X, Sanchez-Martinez C, Del Prado M, Lallena MJ, Torres R, Ajamie RT, Wishart GN, Flack RS, Neubauer BL, Young J, Chan EM, Iversen P, Cronier D, Kreklau E, de Dios A. Preclinical characterization of the CDK4/6 inhibitor LY2835219: in-vivo cell cycle-dependent/independent anti-tumor activities alone/in combination with gemcitabine. Invest New Drugs. 2014 Oct;32(5):825-37.
[3]Wu T, Chen Z, To KKW, Fang X, Wang F, Cheng B, Fu L. Effect of abemaciclib (LY2835219) on enhancement of chemotherapeutic agents in ABCB1 and ABCG2 overexpressing cells in vitro and in vivo. Biochem Pharmacol. 2017 Jan 15;124:29-42.
[4]. Ku BM, Yi SY, Koh J, Bae YH, Sun JM, Lee SH, Ahn JS, Park K, Ahn MJ. The CDK4/6 inhibitor LY2835219 has potent activity in combination with mTOR inhibitor in head and neck squamous cell carcinoma. Oncotarget. 2016 Mar 22;7(12):14803-13.
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