Retraction Note: LncRNA PCAT6 regulates the progression of pituitary adenomas by regulating the miR-139-3p/BRD4 axis - Peng Zhao; Jianhua Cheng; Bin Li; Ding Nie; Hongyun Wang; Chuzhong Li; Songbai Gui; Yazhuo Zhang (Cancer Cell International, 2024)