Retraction of ‘Long non-coding RNA TUG1 alleviates high glucose induced podocyte inflammation, fibrosis and apoptosis in diabetic nephropathy via targeting the miR-27a-3p/E2F3 axis’ by Yang Li et al., RSC Adv., 2019, 9, 37620–37629, DOI: 10.1039/C9RA06136C.