CASP3 and neoplasm: For tumors injected with control, Res, Res-HA, and Res-Cx-HA, blue DAPI fluorescence (nuclei), red fluorescence from cleaved caspase-3 (CCP-3)-positive cells (apoptosis), and the combined images of DAPI and CCP-3 are presented in Fig. 11 (full staining tumor images are shown in Figure S7).