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Apoptosis related proteins in tumor tissues from nude mice after various treatments. (A) TUNEL assay of tumor tissues. Scale bar =10 µm. (B) Caspase 3, C-caspase 3, caspase 9, C-caspase 9, caspase 8, and PARP levels in tumor tissues.
Abbreviations: MSNs, mesoporous silica nanoparticles; PDA, hydrochloride dopamine; PEG, polyethylene glycol; APt, aptamer; PARP, poly (ADP-ribose)polymerase; DAPI, 4′-6′-diamino-2-phenylindole hydrochloride.
