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A method to collect isolated myocytes and whole tissue from the same heart.

机译:一种从同一心脏收集分离的心肌细胞和整个组织的方法。

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摘要

A technique for isolation of cardiac myocytes and collection of whole heart tissue from individual hearts of adult rats is described in this study. After excision of the apical half of the left ventricle (LV) and cauterization of the cut edge, aortas were cannulated and high-quality isolated cardiac myocytes were collected after collagenase perfusion of the basal portion. Myocyte dimensions from the basal portion of cauterized and noncauterized hearts from matching rats were identical. Additionally, myocyte dimensions from the basal and apical halves of the LV were compared with the use of whole heart-isolated myocyte preps. No regional differences between basal and apical LV myocyte size were found. Therefore, this cauterization method can be used to collect isolated myocytes from the basal half and whole heart tissue from the apical half, with each half being representative of the other with respect to myocyte dimensions.
机译:在这项研究中描述了一种从成年大鼠的各个心脏中分离心肌细胞并收集整个心脏组织的技术。切除左心室(LV)的顶端半部分并烧灼切口边缘后,对主动脉进行插管并在胶原酶灌注基底部分后收集高质量的离体心肌细胞。来自匹配大鼠的烧灼和未烧灼心脏的基底部分的心肌细胞尺寸相同。另外,将LV的基底和根尖的一半的心肌细胞尺寸与使用全心脏分离的心肌细胞制剂进行了比较。在基底和顶端LV肌细胞大小之间未发现区域差异。因此,该烧灼方法可用于收集来自基底半部的分离的心肌细胞和来自顶端半部的整个心脏组织,就心肌细胞尺寸而言,每一半代表另一半。

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