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Washington [US], April 10 : Eating a lot of fat raises the risk of metabolic disorders, but the mechsms involved in the problem are not well understood. Now, biologists at the University of California, Irvine have made an important discovery about how to protect against the negative effects of a high-fat diet.Their research was published in Nature Communications.The UC Irvine research centered on a protein complex called AMPK, which senses the body's nutrition and takes action to keep it balanced. For example, if AMPK detects that glucose is low, it can boost lipid breakdown to produce energy in its place. Scientists have known that consuming high amounts of fat blocks AMPK's activity, leading the metabolism to go out of balance. However, until now, how cells block this mechsm has not been widely examined, especially in live models.The UCI biologists decided to investigate, believing an AMPK component called SAPS3 serves a significant role. They eliminated SAPS3 from the genome of a group of mice and fed them meals with a 45 percent fat content. The results were startling even to the research team."Removing the SAPS3-inhibiting component freed the AMPK in these mice to activate, allowing them to maintain a normal energy balance despite eating a large amount of fat," said Mei Kong, professor of molecular biology & biochemistry and the study's corresponding author. "We were surprised by how well they maintained normal weight, avoiding obesity and development of diabetes."The discovery could eventually lead to a new way to approach metabolism-related conditions. "If we block this inhibition activity, we could help people reactivate their AMPK," said first author Ying Yang, a project scientist in the Kong lab. "It could help in overcoming disorders such as obesity, diabetes, fatty liver disease and others. It's important to recognize how important normal metabolic function is for every aspect of the body."The researchers are working on developing molecules that could inhibit SAPS3 and restore the metabolism's balance. They plan to next study SAPS3's role in other conditions with disturbed metabolic systems, such as cancer and aging.The discovery comes as metabolic-related diseases such as obesity and diabetes continue to rise. More than half of the global population is expected to be overweight or obese by 2035, compared to 38 percent in 2020, according to the World Obesity Federation. The number of people worldwide with diabetes is expected to rise to 578 million by 2030, up 25 percent from 2019, reports the National Center for Biotechnology Information.Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Health :Study finds how to prevent high-fat diet from throwing metabolism out of whack

Washington [US], April 10 : Eating a lot of fat raises the risk of metabolic disorders, but the mechsms ... ...