How To Fight Or Reverse Aging: Resveratrol

November
30

How To Fight Or Reverse Aging: Resveratrol

Researchers from the Harvard Medical School have discovered that even a small molecule of resveratrol almost “amazingly” reversed the effects of a high-calorie diet in mice — down to the genetic level. This means resveratrol has a significant positive impact on diabetes, heart disease, and other diseases related to obesity.

This is the first time that resveratrol has been shown to give survival benefits to a mammal. And because mice are much closer in an evolutionary sense to humans than any other previous organism used in resveratrol testing, scientists hope there would be no negative side-effects when resveratrol is extensively used by humans.

This seems to reinforce earlier reports and the general view that resveratrol effectively reverses or fights aging.

“After six months, resveratrol essentially prevented most of the negative effects of the high calorie diet in mice,” said Rafael de Cabo, Ph.D., the study’s other co-senior investigator from the National Institute on Aging’s Laboratory of Experimental Gerontology, Aging, Metabolism, and Nutrition Unit. “There is a lot of work ahead that will help us better understand resveratrol’s roles and the best applications for it.”

Resveratrol is found in red wines and produced by a variety of plants when put under stress. It was first discovered to have an anti-aging properties by Sinclair, other HMS researchers, and their colleagues in 2003 and reported in the journal Nature. The 2003 study showed that yeast treated with resveratrol lived 60 percent longer. Since 2003, resveratrol has been shown to extend the lifespan of worms and flies by nearly 30 percent, and fish by almost 60 percent. It has also been shown to protect against Huntington’s disease in two different animal models (worms and mice).

“The “healthspan” benefits we saw in the obese mice treated with resveratrol, such as increased insulin sensitivity, decreased glucose levels, healthier heart and liver tissues, are positive clinical indicators and may mean we can stave off in humans age-related diseases such as type 2 diabetes, heart disease, and cancer, but only time and more research will tell,” says Sinclair, who is also a co-founder of Sirtris, a company with an author on this paper and which is currently in a phase 1b trial in humans with diabetes using an enhanced, proprietary formulation of resveratrol. [Harvard has license and equity interests with Sirtris, which is not a public company.]

“We made a striking observation,” says Sinclair. “Resveratrol opposed the effects of high caloric intake in 144 out of 153 significantly altered pathways. In terms of gene expression and pathway comparison, the resveratrol fed group was more similar to the standard diet fed group than the high calorie group.”

“This work demonstrates that there may be tremendous medical benefits to unlocking the secrets behind the genes that control our longevity,” says Sinclair, “No doubt many more remain to be discovered in coming years.”
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