Immunofluorescent analysis of Dityrosine in human embryonic kidney cells (HEK293). Sample was fixed with 5% formaldehyde (5 min), incubated with Dityrosine monoclonal antibody (Product # MA5-27566) using a dilution of 1:50 (30-60 min at RT), and followed by Goat Anti-Mouse Alexa Fluor 488, Phalloidin Alexa Fluor 633 and DAPI secondary antibody at a dilution of 1:1500, 1:250 and 1:50,000 (30-60 min at RT). Images are shown as follows: (A,C,E,G) - Untreated, (B,D,F,H) - Cells cultured overnight with 50 µM H2O2, (A,B) DAPI (blue) nuclear stain, (C,D) Phalloidin Alex Fluor 633 F-Actin stain, (E,F) Dityrosine Antibody, (G,H) Merged image. Magnification: 20x.