Effect of High Fructose-Induced Metabolic Syndrome on Tissue Vitamin E and Lipid Peroxide Levels in Rats.

In the present study, we examined the effect of high fructose-induced metabolic syndrome (MetS) on tissue vitamin E and lipid peroxide (LPO) levels in rats. Feeding of a diet containing 60% fructose (HFD) to Wistar rats for 2, 4, and 6 wk caused week-dependent increases in HOMA-IR score and serum insulin, triglyceride, total cholesterol, and free fatty acid concentrations. Each week HFD feeding increased serum vitamin E concentration. Six-week HFD feeding reduced vitamin E status (the serum ratio of vitamin E/triglyceride+total cholesterol). Four- and 6-wk HFD feeding increased serum LPO concentration. Two-week HFD feeding increased liver, heart, kidney, and skeletal muscle (SM) vitamin E contents and decreased white adipose tissue (WAT) vitamin E content. Four- and 6-wk HFD feeding further reduced WAT vitamin E content without affecting the increased kidney and SM vitamin E contents. Six-week HFD feeding reduced the increased liver and heart vitamin E contents below the level of non-HFD feeding. Four-week HFD feeding increased heart and WAT LPO contents. Six-week HFD feeding increased liver LPO content and further increased heart and WAT LPO contents. Kidney and SM LPO contents remained unchanged. These results indicate that HFD-rats with early MetS have increased liver, kidney, heart, and SM vitamin E contents and decreased WAT vitamin E content under unchanged tissue LPO content and vitamin E status, while HFD-fed rats with progressed MetS have both decreased liver, heart, and WAT vitamin E contents under increased tissue LPO content and disrupted vitamin E status.

• Publication year

  2020

• Venue

  Journal of Nutritional Science and Vitaminology

• Publication date

  2020-04-30

• Fields of study

  Medicine, Chemistry

• Identifiers
  DOI 10.3177/jnsv.66.200PMID 32350182
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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