Bio 353 - Apoptosis: A matter of life and death
Fall, 2001
Haverford College
Jenni Punt

Image from Molecular Probes website. www.molecularprobes.com

HL-60 cells treated with camptothecin for three hours. The DNA strand–nicks characteristic of apoptosis were detected with the TUNEL (terminal deoxynucleotidyl transferase–mediated dUTP nick end-labeling) assay using the fluorescently labeled nucleotide, ChromaTide BODIPY FL-14-dUTP (C-7614). Image contributed to Molecular Probes by Zbigniew Darzynkiewicz, Cancer Research Institute, New York Medical College.