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The therapeutic effect of curcumin in male albino rats and its putative mechanisms on cerebral microvascular flow

机译:姜黄素对雄性白化病大鼠的治疗作用及其可能的机制

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The present study aimed to investigate the therapeutic effect of curcumin on hypertension and its putative mechanisms in the cerebral microcirculation. The surgical preparation was made to generate a cranial window for observation of the capillary network in the cerebral cortex region. Digital image processing, intravital videomicroscopy, and laser Doppler flow meter were used in this investigation. The number of open capillaries, arterial blood pressure, red cell velocity, microvascular diameter, circulating endothelial cells, relative blood flow and frequency were determined. Control rats showed severe dysfunction in the microcirculation with increased blood pressure. In curcumin treated mice, the blood pressure significantly reduced compared to their respective controls. Curcumin significantly increased blood velocity and LDF flow in hypertensive and normotensive rats. Curcumin significantly altered the circulating endothelial cells and open capillaries number in the male albino rats. Our results suggested that the curcumin exerts its therapeutic effect in male albino rats by regulating vasomotion function, increasing blood perfusion, releasing the peripheral resistance and opening efficiently capillaries. Taking all these data together, it is concluded that the curcumin might be useful in the regulation of the cerebral microcirculatory function and hypertension. (C) 2016 Elsevier B.V. All rights reserved.
机译:本研究旨在探讨姜黄素对高血压的治疗作用及其在脑微循环中的推测机制。进行了手术准备,以产生颅窗以观察大脑皮层区域中的毛细血管网络。在这项研究中使用了数字图像处理,活体显微镜检查和激光多普勒流量计。测定毛细血管的数目,动脉血压,红细胞速度,微血管直径,循环内皮细胞,相对血流和频率。对照大鼠在微循环中显示出严重的功能障碍,血压升高。在用姜黄素治疗的小鼠中,与各自的对照相比,血压显着降低。姜黄素可显着增加高血压和正常血压大鼠的血流速度和LDF流量。姜黄素显着改变了雄性白化病大鼠的循环内皮细胞和毛细血管开放数目。我们的研究结果表明姜黄素通过调节血管运动功能,增加血液灌注,释放外周阻力和有效地开放毛细血管,在雄性白化病大鼠中发挥其治疗作用。综合所有这些数据,得出的结论是姜黄素可能在调节脑微循环功能和高血压中有用。 (C)2016 Elsevier B.V.保留所有权利。

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