EZH2 and gastrointestinal stromal tumor: Western blot analysis results manifested that compared with sh-NC-treated GIST-T1 cells, EZH2 protein expression was remarkably diminished in GIST-T1 cells treated with sh-NC + LLY-507, sh-EZH2 + LLY-507, sh-NC + AZ-505, or sh-EZH2 + AZ-505.