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In vivo assessment of apoptosis by TUNEL assay in the glioma tissues of nude mice at one month after treatment. (A) Representative images of TUNEL assay. Original magnification: × 400. (B) Apoptotic index in the glioma U251 and SHG44 cell tissues of nude mice.
Abbreviations: TUNEL, transferase-mediated dUTP nick end labeling; U251, human glioma U251 cells.
