{"id":11744,"date":"2023-05-24T10:40:02","date_gmt":"2023-05-24T10:40:02","guid":{"rendered":"https:\/\/magazines.uthscsa.edu\/mission-new\/?p=11744"},"modified":"2024-10-21T01:06:28","modified_gmt":"2024-10-21T01:06:28","slug":"losing-weight-could-come-down-to-your-liver","status":"publish","type":"post","link":"https:\/\/magazines.uthscsa.edu\/mission\/losing-weight-could-come-down-to-your-liver\/","title":{"rendered":"Losing weight could come down to your liver"},"content":{"rendered":"
\n

Losing weight could come down to your liver<\/h1>\n<\/div>\n
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\"illustrationIn a breakthrough finding, UT Health San Antonio scientists discovered that inhibiting a liver enzyme in obese mice decreased the rodents\u2019 appetites, increased energy expenditure in fat tissues and resulted in weight loss.<\/p>\n

The finding, published in\u00a0Cell Metabolism<\/i>, provides a potential drug target to treat metabolic issues such as obesity and diabetes.<\/p>\n

\u201cWe first needed to discover this mechanism and, now that we have, we can develop drugs to improve metabolic syndrome,\u201d said senior author Masahiro Morita, PhD, assistant professor of molecular medicine in the university\u2019s Sam and Ann Barshop Institute for Longevity and Aging Studies.<\/p>\n

\u201cWe have an enzyme inhibitor that we want to make more specific to increase its effects,\u201d said first author Sakie Katsumura, DDS, PhD, postdoctoral fellow in the Morita laboratory.<\/p>\n

They targeted a liver enzyme called CNOT6L deadenylase. It turns off messenger ribonucleic acids, called mRNAs, that ordinarily carry genetic instructions from the nucleus to sites in the cell where two liver proteins are made. One protein sends signals to the brain to control food intake. The other sends signals to adipose tissues to increase energy expenditure.<\/p>\n

The liver enzyme impedes these signals, reducing the benefits. So, the researchers created a first-in-class CNOT6L inhibitor, dubbed iD1, to stabilize the messenger ribonucleic acids in obese mice and increase levels of the two proteins in the blood. After 12 weeks, treated rodents ate less food and showed 30% reduced body weight. Energy expenditures in the adipose tissues increased by 15%. Liver fat decreased 30%.<\/p>\n

They also showed improved insulin sensitivity and lower blood glucose levels.<\/p>\n

In Texas and the U.S., obesity, Type 2 diabetes, fatty liver disease and related metabolic disorders are at epidemic proportions.<\/p>\n

According to the Centers for Disease Control and Prevention, more than 37 million Americans have diabetes. Type 2 diabetes represents at least 90% of the cases. In Texas, approximately 2.7 million people have diagnosed diabetes, and an additional 600,000 people in Texas have diabetes but don\u2019t know it. Another 7 million people in Texas have prediabetes.<\/p>\n

Obesity prevalence in the U.S. is more than 40% and is climbing, according to the CDC. Obesity-related diseases include heart attack, stroke, Type 2 diabetes and some cancers.<\/p>\n

Next, the researchers will refine the mechanism and identify new drugs that may be more specific and more potent, Katsumura said.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

UT Health San Antonio scientists discovered that inhibiting a liver enzyme in obese mice decreased the rodents\u2019 appetites, increased energy expenditure in fat tissues and resulted in weight loss.<\/p>\n","protected":false},"author":605,"featured_media":11757,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,271],"tags":[],"ppma_author":[287],"class_list":["post-11744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-spring-2023"],"yoast_head":"\nLosing weight could come down to your liver - Mission Magazine<\/title>\n<meta name=\"description\" content=\"In a breakthrough finding, UT Health San Antonio scientists discovered that inhibiting a liver enzyme in obese mice decreased the rodents\u2019 appetites, increased energy expenditure in fat tissues and resulted in weight loss.\" \/>\n<meta name=\"robots\" content=\"index, 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