{Reference Type}: Journal Article {Title}: RETRACTED: Knockdown EZH2 attenuates cerebral ischemia-reperfusion injury via regulating microRNA-30d-3p methylation and USP22. {Author}: Jin D;Wei W;Song C;Han P;Leng X; {Journal}: Brain Res Bull {Volume}: 169 {Issue}: 0 {Year}: 04 2021 {Factor}: 3.715 {DOI}: 10.1016/j.brainresbull.2020.12.019 {Abstract}: This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief as there are concerns about the reliability of the results. Concerns have been raised about a portion of Figure 5B, ‘DMSO’ group appears to contain image similarities with Figure 4e, ‘Inhibitor NC’ group, published in Yang et al., 2021 doi: 10.1080/15384101.2020.1856498. A portion of Figure 5B, ‘DZNeP+miR-30d-3p antagomir’ group appears to contain image similarities with Figure 4e, ‘Inhibitor NC’ group, published in Yang et al., 2021. Figure 7/G western blot bands have the same eyebrow shaped phenotype as many other publications as detailed here (https://pubpeer.com/publications/B26AE47AC0E71E0EF339B40893B2C2).