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过高甘油三血症大鼠的代谢综合征:抗氧化剂的影响

Z Brnoliakova¹, V Knezl, R Sotnikova

¹Institute of Experimental Pharmacology and Toxicology, Center of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic. Zuzana.Brnoliakova@savba.sk.

Physiological research

|June 9, 2023

概括

这项研究发现,结合维生素E (VitE) 和SMe1EC2抗氧化剂可以帮助管理大鼠的代谢综合征 (MetS). 这些抗氧化剂减少了高脂肪饮食对心脏功能和新陈代谢的负面影响.

科学领域:

生物化学生物化学
心血管生理学心血管生理学
药理学药理学是指药理学的学科.

背景情况:

代谢综合征 (MetS) 的特点是脂肪和葡萄糖代谢的长期干扰,增加心血管疾病的风险.
吃高脂肪果糖饮食 (HFFD) 的遗传性过高甘油血症 (HTG) 鼠会发展出类似于MetS的疾病,包括心脏功能的改变.
抗氧化剂如维生素E (VitE) 和合成金二醇SMe1EC2 (SMe) 正在研究它们对缓解MetS相关病理的潜力.

研究的目的:

评估单独和组合的Vite和SMe对HTG大鼠的MetS参数的影响.
评估这些抗氧化剂对心脏功能的影响,特别是在缺血-再输血期间.
确定SMe是否在管理MetS时增强了ViteE的影响.

主要方法:

在HTG大鼠中使用5周的HFFD诱导MetS.
用常压Langendorff制剂评估心脏功能,评估缺血-再输液期间的参数.
生物化学标志物 (脂质,葡萄糖),体重,血压和心律失常被测量.

主要成果:

HFFD增加了体重,胆固醇,LDL和血糖,同时改变了心脏收缩性,并在再注射期间增加了早发性心室跳动.
补充VitE,SMe或它们的组合可以减少体重增加,降低血压,改善生化特征.
VitE和SMe的组合在再注血期间显著抑制了严重的心脏节律失常 (心室心动脉和).

结论:

在HTG大鼠中,HFFD诱导显著的代谢和心血管障碍,模仿MetS.的某些方面.
抗氧化剂治疗,特别是Vite和SMe的组合,显示出改善HFFD诱导的代谢和心脏功能障碍的潜力.
联合抗氧化剂治疗可能是治疗与代谢综合征相关疾病的有希望的策略.

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