BrdUTP (5-Bromo-2´-Deoxyuridine 5´-Triphosphate), 10 mM in TE buffer (Invitrogen™)

BrdUTP can be used in conjunction with tetrminal deoxynucleotidyl transferase (TdT) to label apoptotic cells in the TUNEL assay. BrdUTP can be detected with anti-BrdU antibodies.