A group of drug discovery companies believes it has found a way to use scientific discoveries about the genetics of aging to develop novel drugs for specific diseases. These companies begin with insights from animal models of longevity and long-lived human populations, which they hope will help them discover new targets for age-related diseases. Several companies have rallied around calorie restriction, an intervention known to increase lifespan in laboratory animals, and are characterizing genetic and phenotypic changes associated with calorie restriction. Others believe they have found key genes that regulate aging, and hope to use this knowledge to develop drugs for such age-related as diseases as cardiovascular disease, stroke, cancer, and diabetes. The challenges for companies will be to validate mechanisms implicated in aging, and then link them to specific diseases. However, the diseases of aging are some of the toughest drug development categories; they're often progressive diseases that develop over the course of years, and proving that drugs slow down disease progression or prevent onset involves tough endpoints.
by Mary Stuart
It's only natural that scientists would be drawn to explorations of the physiology and biology of aging, one of life's greatest mysteries. But while academic scientists have continued to advance...
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