Dr. Peg Nopoulos: The CAG discussion



When someone has Huntington's disease, part of the DNA sequence: (CAG: cytosine — adenine — guanine) repeats more times than normal. It is important to understand that everyone on the planet is born with the Huntington gene - CAG repeat. The healthy gene repeat is between 10 to 26 times. Repeats of CAG have been detected over 100 times.


Listen to Dr. Nopoulos talk about CAG.


Dr. Peg Nopoulos, MD

University of Iowa

Professor of Psychiatry

Professor of Neurology

Professor of Pediatrics


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