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10 µL, Model 701 N SYR, 6 Pack, Cemented NDL, 26s ga, 2 in, point style 2

Company: Hamilton
Catalog#: 80366
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Qualitative in vivo Bioluminescence Imaging
Author:
Date:
2018-09-20
[Abstract]  Bioluminescence imaging (BLI) technology is an advanced method of carrying out molecular imaging on live laboratory animals in vivo. This powerful technique is widely-used in studying a variety of biological processes, and it has been an ideal tool in exploring tumor growth and metastatic spread in real-time. This technique ensures the optimal use of laboratory animal resources, particularly the ethical principle of reduction in animal use, given its non-invasive nature, ensuring that ongoing biological processes can be studied over time in the same animal, without the need to euthanize groups of mice at specific time points. In this protocol, the luciferase imaging technique was developed to study the effect of co-inoculating pericytes (contractile, αSMA+ mesenchymal ... [摘要]  生物发光成像(BLI)技术是一种在体内实验室动物上进行分子成像的先进方法。 这种强大的技术广泛应用于研究各种生物过程,是实时探索肿瘤生长和转移扩散的理想工具。 该技术确保实验室动物资源的最佳利用,特别是减少动物使用的伦理原则,考虑到其非侵入性,确保可以在同一动物中随时间研究正在进行的生物过程,而无需安乐死 小鼠在特定的时间点。 在该方案中,开发了荧光素酶成像技术以研究共同接种周细胞(收缩性,αSMA + 间充质干细胞样细胞,位于微血管内的细胞)对生长和转移性扩散的影响。 卵巢癌使用侵袭性卵巢癌细胞系-OVCAR-5-作为例子。

【背景】生物发光成像(BLI)的原理是基于相对简单的生化过程的发光特性,即,荧光素酶介导的分子底物荧光素氧化产生光。在癌症研究中,BLI是一种流行的工具(Contag et ...

In vivo Use of Dextran-based Anterograde Cortical Tracers to Assess the Integrity of the Cortical Spinal Tract
Author:
Date:
2018-05-20
[Abstract]  When injected into the motor cortex of rats, anterograde tracers label fibers of the associated descending corticospinal tract (CST) that originate from pyramidal neurons in the tracer-injected cortex. These fibers can be assessed at the level of the spinal cord to determine the integrity of the descending CST and the spatial distribution of axons in the spinal grey matter. Here we provide detailed methods on the minimally invasive stereotaxic injection of anterograde tracers into the forelimb sensorimotor representation in the rat cortex. In addition, we detail the fixing and processing of spinal tissue for assessment of CST integrity and branching into spinal grey matter. [摘要]  当注射到大鼠运动皮层时,顺行示踪剂标记伴随着皮质脊髓束下行(CST)的起源于示踪剂注射皮层中的锥体神经元的纤维。 这些纤维可以在脊髓水平进行评估以确定下降的CST的完整性和脊髓灰质中轴突的空间分布。 在这里,我们提供了在大鼠皮层前肢感觉运动表征的微创立体定向注射顺行示踪剂的详细方法。 此外,我们详细介绍了脊柱组织的固定和加工,以评估CST的完整性和分支到脊髓灰质。

【背景】运动皮层含有上运动神经元,其产生形成CST的下行轴突并终止于脊髓。注入大鼠运动皮层的顺行示踪剂标记这些CST的降纤维,允许其在脊髓水平进行评估(图1)。在啮齿动物模型中,CST的顺行标记广泛用于评估一系列脊髓损伤模型(包括损伤)中的CST完整性(Thallmair等人,1998; Vavrek等人, 2006)和挫伤(Hill等人,2001)。此外,顺行皮质示踪剂已被用于评估不同模型的脑损伤例如皮质卒中中的遗留纤维和CST的可塑性(Wahl等人,2014; Wiersma等人, ...

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