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Heart structural remodeling in a mouse model of Duchenne cardiomyopathy revealed using optical polarization tractography Invited

机译:光学偏振束线描记术揭示了杜兴氏心肌病小鼠模型的心脏结构重塑已邀请

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摘要

We investigated the heart structural remodeling in the mdx4cv mouse model of Duchenne cardiomyopathy using optical polarization tractography. Whole heart tractography was obtained in freshly dissected hearts from six mdx4cv mice. Six hearts from C57BL/6J mice were also imaged as the normal control. The mdx4cv hearts were significantly larger than the control hearts and had significantly higher between–subject variations in myofiber organization. While both strains showed classic cross-helical fiber organization in the left ventricle, the rate of the myocardial fiber orientation change across the heart wall was significantly altered in the right ventricle of the mdx4cv heart.
机译:我们使用光学偏振束摄影技术研究了Duchenne心肌病的mdx4cv小鼠模型中的心脏结构重塑。从六只mdx4cv小鼠的新鲜解剖过的心脏中获得了全心导管检查。来自C57BL / 6J小鼠的六个心脏也被成像为正常对照。 mdx4cv心脏明显大于对照心脏,并且肌​​纤维组织间的受试者间差异明显更高。虽然两种菌株在左心室均显示出经典的跨螺旋纤维组织,但在mdx4cv心脏的右心室中,跨心壁的心肌纤维取向变化速率明显改变。

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