RT Journal Article SR Electronic T1 Activation of the UPR is necessary and sufficient for reducing topoisomerase II α protein levels and decreasing sensitivity to topoisomerase targeted drugs JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.105.014753 A1 Miranda D. Gray A1 Melissa Mann A1 John L. Nitiss A1 Linda M. Hendershot YR 2005 UL http://molpharm.aspetjournals.org/content/early/2005/09/01/mol.105.014753.abstract AB