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Fig. 8 | Cancer Cell International

Fig. 8

From: Changes in calpain-2 expression during glioblastoma progression predisposes tumor cells to temozolomide resistance by minimizing DNA damage and p53-dependent apoptosis

Fig. 8

TP53BP1 expression and calpain-2 mediated DNA damage resistance mechanism. a TP53BP1 mRNA expression levels in U251N shCTRL and shCAPN2 cells. b Fluorescent staining for ɣH2AX (AF555, green) and TP53BP1 (AF647, red) in U251N shCTRL and shCAPN2 cells after NCS administration. Cell nuclei are stained with Hoechst (blue). c Schematic of the calpain-2 driven DNA damage resistance mechanism. Decreased calpain-2 expression leads to a perturbed DNA double strand break repair, followed by increased DNA damage and an enhanced DNA damage recognition by e.g. TP53, and enhanced apoptosis induction

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