首页> 外文会议>ASME bioengineering conference >IMAGE-BASED COMPUTATIONAL HEMODYNAMICS AND MICROARRAY ANALYSIS OF THE PORCINE AORTIC ARCH REVEALS A CORRELATION BETWEEN SHEAR STRESS AND ENDOTHELIAL CELL APOPTOSIS
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IMAGE-BASED COMPUTATIONAL HEMODYNAMICS AND MICROARRAY ANALYSIS OF THE PORCINE AORTIC ARCH REVEALS A CORRELATION BETWEEN SHEAR STRESS AND ENDOTHELIAL CELL APOPTOSIS

机译:基于图像的计算血流动力学和猪主动脉弓的微阵列分析显示剪切应力和内皮细胞凋亡之间的相关性

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Atherosclerosis is a focal disease that occurs predominantly at regions of the arterial tree that are exposed to disturbed blood flow, which generates low, oscillatory wall shear stress (WSS) at the lumen. WSS controls the spatial distribution of lesions by influencing numerous aspects of endothelial cell (EC) physiology, including inflammatory activation and viability. Of particular note, ECs in low shear, lesion-prone regions are characterized by increased apoptosis and turnover rates1 thus providing a potential explanation for the distinct spatial localization of lesion formation. Although the molecular mechanisms underlying the effects of WSS on EC physiology are poorly understood, they are known to involve transcriptional changes.
机译:动脉粥样硬化是一种局灶性疾病,主要发生在暴露于干扰血流的动脉树的区域,这在内腔产生低,振荡的壁剪切应力(WSS)。 WSS通过影响内皮细胞(EC)生理学的许多方面来控制病变的空间分布,包括炎症活化和活力。特别注意,低剪切中的ECS,病变易发区域的特征在于凋亡和周转率增加,从而为病变形成的明显空间定位提供了潜在的解释。虽然WSS对EC生理学的影响的分子机制很差,但已知他们涉及转录变化。

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