Fig. 2.

Establishment of SCC25 xenograft tumor model and treatment schedule in nude mice. a. Mice were administered TCS or GrzB through intraperitoneal injection according to the treatment schedule. b. On day 16, mice were sacrificed and excised tumors are shown in the right panel. c. HE staining results showed the typical tong tumor characteristics with a high nuclear/cytoplasmic ratio and a nest-like distribution in all of the groups. Tumor and stromal areas are indicated with red arrow and blue arrow, respectively