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Aurora kinase-IN-4 (Compound 11c) is a covalent and ATP competitive aurora kinase A inhibitor (IC50: 1.7 nM). Aurora kinase-IN-4 inhibits cell proliferation in SJSA-1, MDA-MB-231, A54, HeLa cells with IC50s of 4.27, 1.54, 3.08, 6.99 μM. Aurora kinase-IN-4 can be used for research of triple negative breast cancer (TNBC)[1].

[1] Zhang B, et al. Discovery of a first-in-class Aurora A covalent inhibitor for the treatment of triple negative breast cancer. Eur J Med Chem. 2023 Aug 5;256:115457. DOI:10.1016/j.ejmech.2023.115457