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Figure 2 | BMC Cancer

Figure 2

From: Zinc protoporphyrin IX, a heme oxygenase-1 inhibitor, demonstrates potent antitumor effects but is unable to potentiate antitumor effects of chemotherapeutics in mice

Figure 2

The influence of Zn(II)PPIX on formation of tumor cell colonies. For the clonogenic assay, MDAH2774 or Mia PaCa2 cells were plated at a concentration of 1 × 103 cells/dish. Medium containing Zn(II)PPIX was replaced daily for 1–6 consecutive days. On day 14 after PDT, the plates were fixed with methanol and stained with crystal violet.

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