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Comparative genome-wide transcriptional analysis of human left and right internal mammary arteries

机译:人类左右乳房内部动脉的全基因组比较转录分析

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In coronary artery bypass grafting (CABG), the combined use of left and right internal mammary arteries (LIMA and RIMA) - collectively known as bilateral IMAs (BIMAs) provides a survival advantage over the use of LIMA alone. However, gene expression in RIMA has never been compared to that in LIMA. Here we report a genome-wide transcriptional analysis of BIMA to investigate the expression profiles of these conduits in patients undergoing CABG. As expected, in comparing the BIMAs to the aorta, we found differences in pathways and processes associated with atherosclerosis, inflammation, and cell signaling - pathways which provide biological support for the observation that BIMA grafts deliver long-term benefits to the patients and protect against continued atherosclerosis. These data support the widespread use of BIMAs as the preferred conduits in CABG.
机译:在冠状动脉旁路移植术(CABG)中,左,右乳腺内动脉(LIMA和RIMA)的联合使用-统称为双侧IMA(BIMA),比单独使用LIMA具有生存优势。但是,从未将RIMA中的基因表达与LIMA中的基因表达进行比较。在这里,我们报告BIMA的全基因组转录分析,以研究这些导管在CABG患者中的表达情况。正如预期的那样,在将BIMA与主动脉进行比较时,我们发现与动脉粥样硬化,炎症和细胞信号传导相关的途径和过程的差异-这些途径为BIMA移植物为患者带来长期益处并预防了感染提供了生物学支持持续的动脉粥样硬化。这些数据支持将BIMA广泛用作CABG中的首选管道。

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