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Change of angiogenesis-related molecules in tumor tissue of mice. Protein samples were extracted from the tumor tissues of control, si-IFN1, si-IFN2, peginterferon α-2a and IFN-α treated groups in 50 ×. Protein samples were prepared for Western blot using antibodies to mouse VEGF-β and FGF-2. Each band was further analyzed by densitometer program. Each number on the figure represents the density compared to the control.
