... YC, JHH and QLWparticipated in the data analysis and interpretation. All authors read and approved the final manuscipt.Competing interests The authors declare that they have no competing interests.Received: ... tissues. According to the ROC curves, the cutoff score for p300 high expression was defined when more than 60% of the tumor cells were positivelystained. High expression of p300 was examined in 60/123 ... temperature, and stained with DAB (3,3-diaminobenzidine). Finally, the sectionswere counterstained with Mayer’ s hematoxylin, dehy-drated, and mounted. A negative control was obtainedby replacing the...