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. 2021 Nov 2;4(4):946–964. doi: 10.20517/cdr.2021.82

Figure 2.

Figure 2

Factors causing resistance to anti-cancer drugs in ABCB1- or ABCG2-overexpressing colon cancer cell lines and an ABCB1-overexpressing HeLa cell line. Resistance factors for SN-38, irinotecan, topotecan, mitoxantrone, anthracyclines, 5-fluorouracil, and platinum anticancer drugs are shown relative to the respective parental cell lines. Cell lines are HCT116-SN6 [2004 (COL), ABCG2-overexpressing colon cancer cell[10] (orange)], S1-IR20 [2021 (COL), ABCG2-overexpressing colon cancer cell[11] (gray)], S1-B1-20 [2000 (COL), ABCB1-overexpressing colon cancer cell[12] (yellow)], and Hvr100-6 [2002 (HeLa), ABCB1-overexpressing HeLa cell[13] (blue)]. Establishments of these resistant sublines are described in Table 1. ND: Not determined.