Saturday, February 25, 2017

Fasting-mimicking diet may reverse diabetes

Public Release: 23-Feb-2017
Fasting-mimicking diet may reverse diabetes
Periodic cycles of fasting reprogram pancreatic cells and restore insulin production
University of Southern California

A diet designed to imitate the effects of fasting appears to reverse diabetes by reprogramming cells, a new USC-led study shows.

The fasting-like diet promotes the growth of new insulin-producing pancreatic cells that reduce symptoms of type 1 and type 2 diabetes in mice, according to the study on mice and human cells led by Valter Longo, director of the Longevity Institute at the USC Leonard Davis School of Gerontology.

"Cycles of a fasting-mimicking diet and a normal diet essentially reprogrammed non-insulin-producing cells into insulin-producing cells," said Longo, who is also a professor of biological sciences at the USC Dornsife College of Letters, Arts and Sciences. "By activating the regeneration of pancreatic cells, we were able to rescue mice from late-stage type 1 and type 2 diabetes. We also reactivated insulin production in human pancreatic cells from type 1 diabetes patients."

The reprogrammed adult cells and organs prompted a regeneration in which damaged cells were replaced with new functional ones, he said.

The study published on Feb. 23 in the journal Cell, is the latest in a series of studies to demonstrate promising health benefits of a brief, periodic diet that mimics the effects of a water-only fast.


Longo and his research team have amassed evidence indicating several health benefits of the fasting-mimicking diet. Their study published last week in Science Translational Medicine demonstrated that the fasting-mimicking diet reduced risks for cancer, diabetes, heart disease and other age-related diseases in human study participants who followed the special diet for five days each month in a three-month span.

Prior studies on the diet have shown potential for alleviating symptoms of the neurodegenerative disease multiple sclerosis, increasing the efficacy of chemotherapy for cancer treatments, and decreasing visceral fat.


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