Graphic: Telomeres and Telomerase

Learn how chromosomes are protected by structures called telomeres and the enzyme telomerase, a breakthrough discovery that earned Jack W. Szostack, PhD, of Massachusetts General Hospital's Department of Molecular Biology, the 2009 Nobel Prize in Physiology or Medicine.

How telomeres and the enzyme telomerase function

Illustration by John Grimwade. © Massachusetts General Hospital.

Research at Mass General

Discover the largest hospital-based research program in the U.S. and how clinicians and scientists chart new terrain in biomedical research to treat and prevent human disease and bring the latest advances to patient care