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ALDH1 and PD-L1 expression in SW480 and HCT116 cells. (A) ALDH1 expression in SW480 and HCT116 cells. (B) PD-L1 expression in SW480 and HCT116 cells. (C) SW480 and HCT116 cells were divided into ALDH1high and ALDH1low cells using an ALDEFLUOR kit, and the expression of PD-L1 was evaluated in ALDH1high and ALDH1low cells. B: Billion.
