{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T19:39:14Z","timestamp":1789587554951,"version":"build-2803163510"},"reference-count":32,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Oxidative Medicine and Cellular Longevity"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p><jats:italic>Introduction<\/jats:italic>. Metabolically obese but normal-weight (MONW) individuals have metabolic features of overt obesity, and abdominal adiposity is common in them. Animal models of MONW individuals are lacking. We aimed to develop an abdominally obese and normal-weight (AONW) rat model.<jats:italic>Methods and Results<\/jats:italic>. Young male Sprague-Dawley rats were fed chow or a modified high-sucrose (HS) diet for 20 weeks. The HS diet induced increased visceral adipose tissue without increased body weight, reduced glucose disposal rates, and increased hepatic glucose output during the hyperinsulinemic-euglycemic clamp, increased plasma glucose during the intraperitoneal glucose tolerance test, and increased plasma free fatty acids. Hepatic lipidosis and hepatocyte mitochondria swelling were found in HS rats through light microscopy and transmission electron microscopy; similar impairments were not observed in muscle. RT-PCR showed that mRNA expression of uncoupling protein 3 and peroxisome proliferator-activated receptor-gamma coactivator 1<jats:italic>\u03b1<\/jats:italic>increased in muscle of HS rats, while expression of mitochondrial transcription factor A, glucose transporter type 4, and insulin receptor substrate-1 did not change significantly.<jats:italic>Conclusion<\/jats:italic>. AONW rats developed metabolic disorders seen in MONW individuals. Steatosis, mitochondrial morphologic changes, and insulin resistance were more serious in liver than in muscle. Genes involved in fatty acid metabolism and mitochondrial function changed in less impaired muscle.<\/jats:p>","DOI":"10.1155\/2012\/374346","type":"journal-article","created":{"date-parts":[[2012,12,25]],"date-time":"2012-12-25T21:04:50Z","timestamp":1356469490000},"page":"1-9","source":"Crossref","is-referenced-by-count":24,"title":["Modified High-Sucrose Diet-Induced Abdominally Obese and Normal-Weight Rats Developed High Plasma Free Fatty Acid and Insulin Resistance"],"prefix":"10.1155","volume":"2012","author":[{"given":"Li","family":"Cao","sequence":"first","affiliation":[{"name":"Division of Geriatrics, West China Hospital of Sichuan University, Chengdu 610041, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuehui","family":"Liu","sequence":"additional","affiliation":[{"name":"Division of Endocrinology and Metabolism, West China Hospital of Sichuan University, Chengdu 610041, 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