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<p>The aim of this study was to evaluate long-term inflammatory, biochemical and behavioral parameters in adult male and female Wistar rats submitted to a model of high-fat and high fructose diet and sepsis. In the study we used 8-month-old male and female rats. High-fat and high fructose diet was provided for 4&#xa0;months, and sepsis was induced shortly afterwards. Behavioral tests were performed at 10, 30 and 60&#xa0;days after sepsis induction, at 30- and 60-days metabolic parameters, leptin and cytokines (prefrontal cortex and hippocampus) were determined. High-fat and high-fructose diet was able to induce glucose intolerance. Sepsis favored anxious behavior at 10&#xa0;days after sepsis, remaining at 30&#xa0;days and with apparent improvement at 60&#xa0;days in females and maintenance of behavior in males. Cognitive damage was observed both at 30 and 60&#xa0;days in animals from both groups. Plasma metabolic parameters were elevated only males exposed to a high-fat high-fructose diet and submitted to CLP only at 30&#xa0;days. Long-term brain inflammation was not consistently affected both by sex and high-fat and high fructose diet.The relationship between high-fat and high fructose diet, gender and sepsis is still contradictory, as are the mechanisms involved in this paradox. Models and analyses need to be standardized in order to better understand how this event occurs.</p>

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The Impact of Biological Sex And High-Fat High-Fructose Diet on Brain Dysfunction in an Animal Model of Sepsis

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • Andriele Vieira,
  • Mariane Abatti,
  • Monique Michels,
  • Amanda Goulart,
  • Cristiano Julio Faller,
  • Heloisa Borges,
  • Filipe Fernandes,
  • Diogo Dominguini,
  • Luana Rocha,
  • Emily Córneo,
  • Rodrigo Dias,
  • Felipe Dal-Pizzol

摘要

The aim of this study was to evaluate long-term inflammatory, biochemical and behavioral parameters in adult male and female Wistar rats submitted to a model of high-fat and high fructose diet and sepsis. In the study we used 8-month-old male and female rats. High-fat and high fructose diet was provided for 4 months, and sepsis was induced shortly afterwards. Behavioral tests were performed at 10, 30 and 60 days after sepsis induction, at 30- and 60-days metabolic parameters, leptin and cytokines (prefrontal cortex and hippocampus) were determined. High-fat and high-fructose diet was able to induce glucose intolerance. Sepsis favored anxious behavior at 10 days after sepsis, remaining at 30 days and with apparent improvement at 60 days in females and maintenance of behavior in males. Cognitive damage was observed both at 30 and 60 days in animals from both groups. Plasma metabolic parameters were elevated only males exposed to a high-fat high-fructose diet and submitted to CLP only at 30 days. Long-term brain inflammation was not consistently affected both by sex and high-fat and high fructose diet.The relationship between high-fat and high fructose diet, gender and sepsis is still contradictory, as are the mechanisms involved in this paradox. Models and analyses need to be standardized in order to better understand how this event occurs.