Posted on by Dr. Francis Collins
Type 2 diabetes (T2D) tends to run in families, and over the last five years the application of genomic technologies has led to discovery of more than 60 specific DNA variants that contribute to risk. My own research laboratory at NIH has played a significant role in this adventure. But this approach doesn’t just provide predictions of risk; it may also provide a path to developing new ways of treating and preventing this serious, chronic disease that affects about 26 million Americans.
In an unprecedented effort aimed at finding and validating new therapeutic targets for T2D, an international team led by NIH-funded researchers recently analyzed the DNA of about 150,000 people across five different ancestry groups. Their work uncovered a set of 12 rare mutations in the SLC30A8 gene that appear to provide powerful protection against T2D, reducing risk about 65%—even in the face of obesity and other risk factors for the disease .
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