Fig. 6: The deacetylated HINT1 mutant (HINT1 2KR) suppresses tumorigenesis in an in vivo xenograft mouse model.

Nude mice (five mice/group) were injected with 1 × 107 DLD1 cells stably transfected with mock control or with the Flag-HINT1 WT or 2KR construct. The xenograft tumors were measured at the indicated times and dissected at the endpoint. a Representative images of mice are shown. Scale bar: 1 cm. b Quantification of the average volume of tumors as indicated times is shown. The data show the mean ± SEM versus negative control pCDH-VEC. **P < 0.01. c Protein levels of cyclin D1 and c-Myc were determined by western blot assay in tumors derived from three nude mice from each group.