S-nitrosylated and non-nitrosylated COX2 have differential expression and distinct subcellular localization in normal and breast cancer tissue oleh Sonali Jindal, Nathan D. Pennock, Alex Klug, Jayasri Narasimhan, Andrea Calhoun, Michelle R. Roberts, Rulla M. Tamimi, A. Heather Eliassen, Sheila Weinmann, Virginia F. Borges, Pepper Schedin