2023年3月24日
An experimental pipeline to quantitatively describe the locomotor pattern of freely walking mice using the MouseWalker (MW) toolbox is provided, ranging from initial video recordings and tracking to post-quantification analysis. A spinal cord contusion injury model in mice is employed to demonstrate the usefulness of the MW system.
In this study, we use a mouse model of spinal cord injury to uncover ways of promoting repair of the spinal cord that could lead to effective locomotor and functional sensory recovery. With a mouse walker, we can move a step forward into a more quantitative analysis of spinal cord recovery by combining several graphical outputs and kinematic parameters with a set of post-quantification tools. High quality video cameras and sophisticated software packages allow a more direct and quantitative description of motor activity.
The mouse walker is a good example of this. Currently two main challenges exist. First, the ability of laboratories to implement these technologies in their experimental pipeline.
And second, to reduce the time and steps from video recordings to data generation. We realized that standard protocols were insufficient to describe all locomotive deficits we see after spinal cord injury. We also found that the mouse walker helped us measure coordination, one of the hardest parameters to assess in standard tests.
Here, not only is the software free and open source, but the hardware is also easy to assemble with uncomplicated materials. We also provide open source tools to analyze the mouse walker data. The mouse walker is a valuable method for studying other motor related or motor dysfunctions, not just spinal cord injury.
It can also be used in combination with already established behavior protocols.
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本研究介绍了一种利用MouseWalker(MW)工具箱对自由行走小鼠的运动模式进行定量分析的实验流程。该研究采用脊髓挫伤模型,以展示MW系统在评估脊髓损伤后运动功能恢复方面的应用价值。
使用 MouseWalker 系统进行定量步态分析,通过精确测量运动功能障碍及恢复情况,弥补了脊髓损伤临床前研究中的关键空白。该技术增强了对治疗效果评估的预测可靠性,并为运动功能恢复的靶点验证提供了有力支持。将详细的运动学输出整合到发现流程中,有助于做出基于风险调整的推进决策和项目优先级筛选。
MouseWalker 系统适用于从早期发现到临床前研究的连续过程,能够实现假设验证、靶点确认以及运动功能恢复策略的转化评估。