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(A) Expression of Hes1 mRNA in K562 cells after transfection with ICN2. M, DNA Marker I; lanes 1 and 2, K562-blank at 24 and 48 h; lanes 3 and 4, K562-ICN2 at 24 and 48 h. (B) Expression of Hey1 mRNA in K562 cells after transfection with ICN2.
