AUTHOR= Frontiers Editorial Office TITLE=Retraction: Silencing CircHIPK3 sponges miR-93-5p to inhibit the activation of Rac1/PI3K/AKT pathway and improves myocardial infarction-induced cardiac dysfunction JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=9 YEAR=2023 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2022.1125572 DOI=10.3389/fcvm.2022.1125572 ISSN=2297-055X