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JNJ-26483327 is an inhibitor of Met.1 It also inhibits EGFR, HER2, and HER4 (IC50s = 9.6, 18, and 40.3 nM, respectively). JNJ-26483327 (5 or 10 µM), in combination with trastuzumab, reduces HER2 phosphorylation in BT474 breast cancer cells. It decreases tumor volume when used in combination with trastuzumab in a BT474 mouse xenograft model when administered at a dose of 75 mg/kg twice per day.
WARNING This product is not for human or veterinary use.
1. HER2 phosphorylation is maintained by a PKB negative feedback loop in response to anti-