Probucol, a lipid-lowering agent with anti-oxidant properties, is involved in protection against atherosclerosis, while cilostazol, an antiplatelet agent, has diverse neuroprotective properties. In this study, we investigated the anti-inflammatory effects of probucol and cilostazol on focal cerebral ischemia with hypercholesterolemia. Apolipoprotein E (ApoE) knockout (KO) mice were fed a high-fat diet (HFD) with or without 0.3% probucol and/or 0.2% cilostazol for 10 weeks. To assess the protective effects of the combined therapy of probucol and cilostazol on ischemic injury, the mice received 40 min of middle cerebral artery occlusion (MCAO). Infarct volumes, neurobehavioral deficits and neuroinflammatory mediators were subsequently evaluated 48 h after reperfusion. Probucol alone and probucol plus cilostazol significantly decreased total- and low-density lipoprotein (LDL)-cholesterol in ApoE KO with HFD. MCAO resulted in significantly larger infarct volumes in ApoE KO mice provided with HFD compared to those fed a regular diet, although these volumes were significantly reduced in the probucol plus cilostazol group. Consistent with a smaller infarct size, probucol alone and the combined treatment of probucol and cilostazol improved neurological and motor function. In addition, probucol alone and probucol plus cilostazol decreased MCP-1 expression and CD11b and GFAP immuno-reactivity in the ischemic cortex. These findings suggested that the inhibitory effects of probucol plus cilostazol in MCP-1 expression in the ischemic brain with hypercholesterolemia allowed the identification of one of the mechanisms responsible for anti-inflammatory action. Probucol plus cilostazol may therefore serve as a therapeutic strategy for reducing the impact of stroke in hypercholesterolemic subjects.

译文

Probucol是一种具有抗氧化特性的降脂剂,可预防动脉粥样硬化,而cilostazol是一种抗血小板剂,具有多种神经保护特性。在这项研究中,我们研究了普罗布考和西洛他唑对高胆固醇血症局灶性脑缺血的抗炎作用。给载脂蛋白E (ApoE) 敲除 (KO) 小鼠喂食高脂饮食 (HFD),有或没有0.3% 普罗布考和/或0.2% 西洛他唑10周。为了评估普罗布考和西洛他唑联合治疗对缺血性损伤的保护作用,小鼠接受了40分钟的大脑中动脉闭塞 (MCAO)。随后在再灌注48小时后评估梗塞体积,神经行为缺陷和神经炎症介质。单独使用普罗布考和普罗布考加西洛他唑可显着降低HFD的ApoE KO中的总和低密度脂蛋白 (LDL)-胆固醇。与常规饮食喂养的小鼠相比,MCAO导致使用HFD的ApoE KO小鼠的梗塞体积明显更大,尽管普罗布考加西洛他唑组的这些体积显着减少。与较小的梗塞面积一致,单独使用普罗布考以及普罗布考和西洛他唑的联合治疗可改善神经和运动功能。此外,单独使用普罗布考和普罗布考加西洛他唑降低缺血皮层中的MCP-1表达以及CD11b和GFAP免疫反应性。这些发现表明,普罗布考加西洛他唑对高胆固醇血症缺血性脑中MCP-1表达的抑制作用允许鉴定负责抗炎作用的机制之一。因此,普罗布考加西洛他唑可作为减少高胆固醇血症患者中风影响的治疗策略。

+1
+2
100研值 100研值 ¥99课程
检索文献一次
下载文献一次

去下载>

成功解锁2个技能,为你点赞

《SCI写作十大必备语法》
解决你的SCI语法难题!

技能熟练度+1

视频课《玩转文献检索》
让你成为检索达人!

恭喜完成新手挑战

手机微信扫一扫,添加好友领取

免费领《Endnote文献管理工具+教程》

微信扫码, 免费领取

手机登录

获取验证码
登录