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Homechevron_rightTechnologychevron_rightFasting may help keep...

Fasting may help keep age-related diseases at bay: Study

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Fasting may help keep age-related diseases at bay: Study
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Washington: Fasting can boost the body's metabolism and help protect against age-related diseases, a study has found.

The circadian clock operates within the body and its organs as intrinsic time-keeping machinery to preserve homeostasis in response to the changing environment.

While food is known to influence clocks in peripheral tissues, it was unclear, until now, how the lack of food influences clock function and ultimately affects the body.

"We discovered fasting influences the circadian clock and fasting-driven cellular responses, which together work to achieve fasting-specific temporal gene regulation," said Paolo Sassone-Corsi, a professor at University of California, Irvine in the US.

"Skeletal muscle, for example, appears to be twice as responsive to fasting as the liver," said Sassone-Corsi.

The research, published in the journal Cell Reports, was conducted using mice, which were subjected to 24-hour periods of fasting.

While fasting, researchers noted the mice exhibited a reduction in oxygen consumption (VO2), respiratory exchange ratio (RER), and energy expenditure, all of which were completely abolished by refeeding, which parallels results observed in humans.

"The reorganisation of gene regulation by fasting could prime the genome to a more permissive state to anticipate upcoming food intake and thereby drive a new rhythmic cycle of gene expression," he said.

 "In other words, fasting is able to essentially reprogram a variety of cellular responses. Therefore, optimal fasting in a timed manner would be strategic to positively affect cellular functions and ultimately benefiting health and protecting against ageing-associated diseases," said Sassone-Corsi.

The study opens new avenues of investigation that could ultimately lead to the development of nutritional strategies to improve health in humans.

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