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HPK1-mediated cell cycle arrest was associated with p21 and p27 protein stabilization in Panc-1 (A) and Panc-28 cells (B).Cells were either untreated or treated with 0.5 µmol/L MG132 for 48 h; cell extracts were subjected to immunoblotting for HPK1, p21, and p27 expression. Actin was used as the loading control.
