AUTHOR=Frontiers Editorial Office TITLE=Retraction: Curcumin improves palmitate-induced insulin resistance in human umbilical vein endothelial cells by maintaining proteostasis in endoplasmic reticulum JOURNAL=Frontiers in Pharmacology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1247749 DOI=10.3389/fphar.2023.1247749 ISSN=1663-9812