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Bleeding the Laboratory Mouse: Not All Methods are Equal

机译:为实验室老鼠流血:并非所有方法都是平等的

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摘要

The laboratory mouse is the most frequently used animal model for hematologic studies and for assessment of blood parameters across a broad range of disciplines. Often, analysis of blood occurs in a non-terminal manner. However, the small body size of the mouse limits collection based upon volume, frequency, and accessible sites. Commonly used sites in the mouse include the retro-orbital sinus, facial vein, tail vein, saphenous vein, and heart. The method of blood acquisition varies considerably across laboratories and is often not reported in detail. In this study, we report significant alterations in blood parameters, particularly of total white blood cells, specific populations of dendritic cells and myeloid derived suppressor cells, and hematopoietic progenitor cells as a result of site and manner of sampling. Intriguingly, warming of mice prior to tail bleeding was shown to significantly alter blood values. Our findings suggest that the same method should be used across an entire study, that warming of mice prior to tail bleeds should be done to uniform levels, and that accurate description of bleeding methods in publications should be provide to allow for interpretation of comparative reports and inter- and intra-laboratory experimental variability.
机译:实验室小鼠是血液学研究和广泛学科中血液参数评估最常用的动物模型。通常,血液分析以非终点方式进行。但是,鼠标的小尺寸限制了基于体积,频率和可访问位置的收集。小鼠中常用的部位包括眼眶后窦,面静脉,尾静脉,隐静脉和心脏。各个实验室的采血方法差异很大,通常没有详细报道。在这项研究中,我们报告了血液参数的显着变化,特别是总白细胞,树突状细胞和髓样来源的抑制细胞以及造血祖细胞的特定种群,这是采样地点和采样方式的结果。有趣的是,显示小鼠在尾巴出血之前变暖会显着改变血液价值。我们的发现表明,在整个研究过程中应使用相同的方法,在尾巴出血之前将小鼠加热至均匀水平,并应在出版物中提供准确的出血方法描述,以便对比较报告进行解释。实验室间和实验室内的实验变异性。

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