AT13148, a first-in-class multi-AGC kinase inhibitor, against gastric cancer cells. AT13148 exerted potent cytotoxic and anti-proliferative activities against a panel human gastric cancer cell lines (HGC-27, AGS, SNU-601, N87 and MKN-28), possibly via inducing cancer cell apoptotic death. Apoptosis inhibition by the Caspase blockers dramatically attenuated AT13148-caused cytotoxicity against gastric cancer cells. Intriguingly, same AT13148 treatment was not cytotoxic/pro-apoptotic to the non-cancerous human gastric epithelial GEC-1 cells. At the signaling level, AT13148 treatment in gastric cancer cells dramatically suppressed activation of multiple AGC kinases, including Akt (at p-Thr-308), p70S6 kinase (p70S6K), glycogen synthase kinase 3 (GSK-3) and p90 ribosomal S6 kinase (RSK). Our in vivo studies demonstrated that daily oral gavage of AT13148 at well-tolerated doses significantly inhibited HGC27 xenograft tumor growth in nude mice. AGC activity was also dramatically decreased in AT13148-administrated HGC27 tumors. Therefore, targeting AGC kinases by AT13148 demonstrates superior anti-gastric cancer activity both in vitro and in vivo. The preclinical results of this study support the progression of this molecule into future evaluation as a valuable anti-gastric cancer candidate.
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|同义词||AT13148 ; AT-13148 ; AT 13148|
|英文同义词||AT13148 ; AT-13148 ; AT 13148|