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. 2021 Dec;9(24):1799. doi: 10.21037/atm-21-6586

Figure 4.

Figure 4

BPI-9016M enhanced apoptosis and inhibited radiation-induced DNA damage repair in irradiated Eca109 xenograft tumors. (A) Representative light microscope images of cleaved caspase 3 immunohistochemistry and laser scanning confocal microscopy images of immunofluorescent TUNEL staining (both shown in green) in tumor xenograft sections. *P<0.05 (IR + BPI-9016M compared to IR alone). (B) Western blot analysis of homologous recombination repair-related proteins in xenograft tumor tissues. TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling; IR, irradiation; IHC, immunohistochemical; IF, immunofluorescence; GAPDH, glyceraldehyde-3-phosphate dehydrogenase (was used as a loading control).