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Western blots of whole cell lysates of A. E6-E7-st-KRAS-NSC and E6-E7-st-KRAS-shCXCR2 cells and B. E6-E7-st-KRAS cells treated with indicated doses of SCH-527123 for 24 hours demonstrating the protein levels of KRAS, p-ERK and t-ERK. Actin serves as a loading control.
