Notice of Retraction: Acharya P, Chen J-J, Correia MA (2010) Hepatic heme-regulated inhibitor (HRI) eukaryotic initiation factor 2α kinase: a protagonist of heme-mediated translational control of CYP2B enzymes and a modulator of basal endoplasmic reticulum stress tone. Mol Pharmacol 77(4):575–592; doi:10.1124/mol.109.061259.

At the request of the corresponding author and investigator at the University of California, San Francisco, and in consultation with Molecular Pharmacology, this paper has been retracted. It was found there was improper manipulation, reuse, and analyses represented by Figs. 1A, 1B, 1D, 2C, 3A, 3B, 4A, 5C, 6B, 6C, 8B, 9B, 9C, and 9D.