In vivo effectiveness of CD8+ T cell transfer after Cl-IB-MECA treatment is associated with increased apoptosis rate, granzyme B and TNF-α release into melanoma lesions.
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A) and B) TNF-α and granzyme B levels, respectively, detected into tissue homogenates from mice adoptively transferred with Cl-IB-MECA-stimulated CD8+ T cells or Cl-IB-MECA-treated mice. C) Representative pictures of melanoma cryosections Tunel stained (FITC) and stained with PI (red). Positive and negative controls are also provided. D) Quantitative analysis of Tunel+ cells detected in melanoma sections. Results are expressed as mean ± SEM (n = 5/group). Data are from two independent experiments and represent mean ± SEM, n = 6 in each experiment. Statistical difference was determined by one way ANOVA. *p<0.05, **p<0.01, ***p<0.001.