Retraction of: 'Study on the molecular mechanism of Rac3 on regulating autophagy in human lung cancer cells', by Xuyang Xiao, Gebang Wang, Hongxu Liu, JBUON 2017;22(2):445-453; PMID:28534368. Following the publication of the above article, readers drew to our attention that part of the data was unreliable. The authors were requested to provide the raw data to prove the originality, but were unable to do so. After an investigation, the Editors of JBUON decided to retract this article. We thank the readers for bringing this matter to our attention. We apologize for any inconvenience it may cause.