RETRACTION: H. Wang, J. Teng, M. Wang, Y. Zhang, X. Liu and Z. Liu, “Expression and Significant Roles of the lncRNA NEAT1/miR‐493‐5p/Rab27A Axis in Ulcerative Colitis,” Immunity, Inflammation and Disease 11, no. 5 (2023): e814, https://doi.org/10.1002/iid3.814. This evidence concerns the gene RAB27A and ulcerative colitis.