Editor's Note: Regulation of OSU-03012 Toxicity by ER Stress Proteins and ER Stress–Inducing Drugs Free

The editors are publishing this note to alert readers to a concern about this article (1). The authors informed the journal that there was a mistake in Fig. 4D. Specifically, the XBP-1 and GAPDH knock down panel for GBM6 was duplicated and mislabeled for GBM5. After a review of the materials, the authors' institution determined the duplication to be an unintentional error.