Steve Horvath is a professor of human genetics and biostatistics at the University of California, Los Angeles. Horvath had a lifelong interest in solving an important problem in aging research: how do we measure aging?
The epigenetic clock
In 2011 Horvath and his collaborators at UCLA described the first age estimation method (epigenetic clock) for saliva based on chemical modifications of the DNA molecule known as DNA methylation. Two years later Horvath published an age estimator that applies to all tissues and cells of the human body.
This discovery, known as the Horvath epigenetic clock, was unexpected because cells differ greatly in terms of their epigenetic patterns. Recently, he has studied treatments that slow or even reverse aging in humans. He and his colleagues have demonstrated that the epigenetic clock predicts lifespan and is related to centenarian status, obesity, HIV infection, early menopause, progeria, and many other age related conditions.
Sperm meets egg. Now what? Epigeneticist Andrew Prentice searches for the answer to this question every day. In this talk he takes the emerging science of epigenetics and simplifies this seemingly complex subject by explaining the fundamental role that a mother’s diet at conception can have on her child’s long term health outcomes and how this knowledge could lead to ground-breaking interventions to improve the most vulnerable’s health. Find out if you actually are what your mother ate.
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