AUTHOR=Editorial Office Frontiers TITLE=An expression of concern on: Grb2 induces cardiorenal syndrome type 3: Roles of IL-6, cardiomyocyte bioenergetics, and Akt/mTOR pathway JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2022.1014332 DOI=10.3389/fcell.2022.1014332 ISSN=2296-634X