埃沃洛库马布降低了肥胖糖老鼠的氧化压力和脂质过氧化
Martina Cebova1,2, Radoslava Bulkova1, Olga Pechanova1,2
1Institute of Normal and Pathological Physiology, Center of Experimental Medicine, Slovak Academy of Sciences, 813 71 Bratislava, Slovakia.
概括
埃沃洛库马布有效降低LDL胆固醇,并减少肥胖大鼠的氧化应激标志物. 这项研究表明,抗氧化剂对心脏有潜在的益处,独立于氧化的产生.
科学领域:
- 心血管药理学心血管药理学
- 脂质代谢 脂质代谢是什么
- 氧化压力研究研究 氧化压力研究
背景情况:
- 埃沃洛库马布向蛋白转化酶亚素/素9型 (PCSK9) 以增强低密度脂蛋白 (LDL) 受体活性.
- 肥胖与脂质不良症和氧化应激增加有关,影响心血管健康.
- 了解除了降脂之外的evolocumab的作用,对于心血管保护至关重要.
研究的目的:
- 评估埃沃洛库马布对肥胖Zucker大鼠的血脂质概况的影响.
- 调查埃沃洛库马布对心脏反应性氧物种 (ROS) 和氧化 (NO) 生产的影响.
- 为了评估氧化应激标志物和相关蛋白质表达在evolocumab治疗后的变化.
主要方法:
- 肥胖的Zucker大鼠每隔两周接受一次皮下注射的evolocumab (10 mg/kg) 治疗,持续6周.
- 测量了血脂质,氧化合成酶 (NOS) 活性,甲酸活性物质 (TBARS) 和结合二烯 (CD) 度.
- 心脏组织分析包括NADPH氧化酶,NF-κB,eNOS和peNOS的蛋白质表达.
主要成果:
- 在肥胖大鼠中,Evolocumab显著降低了血LDL水平,TBARS和CD度.
- 随着evolocumab治疗,NADPH氧化酶和NF-κB蛋白质的心脏表达减少.
- 没有观察到体重,心脏重量,血压,NOS活性或eNOS/peNOS表达的显著变化.
结论:
- 埃沃洛库马布证明了降脂的有效性,并减少了氧化应激和心脏中的脂质过氧化标志物.
- 该药物表现出潜在的抗氧化特性,有助于肥胖模型的心脏保护.
- 埃沃洛库马布对氧化应激的有益影响似乎独立于氧化生产的变化.
关键词:
这就是为什么LDL胆固醇是LDL胆固醇.在NADPH氧化酶.在 NF-kappaBB 里.在PCSK9中进化了你的生活过高脂血症是什么意思脂质过氧化过氧化氧化氧化的使用方法氧化应激是一种氧化应激.更多相关视频
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