AUTHOR=Zhang Qianqian , Chen Weiqian , Lv Xiuling , Weng Qiaoyou , Chen Minjiang , Cui Ri , Liang Guang , Ji Jiansong TITLE=Corrigendum: Piperlongumine, a Novel TrxR1 Inhibitor, Induces Apoptosis in Hepatocellular Carcinoma Cells by ROS-Mediated ER Stress JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.806724 DOI=10.3389/fphar.2022.806724 ISSN=1663-9812