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肌肉纤维类型和横截面积分析的协议,用于整个小鼠下部后肢的冷切割

Edmund Battey¹, Matthieu Dos Santos², Dipsikha Biswas³

¹Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Capital Region, Denmark; Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Capital Region, Denmark.

|November 2, 2024

概括

这项研究提出了一种可视化所有小鼠下部后肢骨肌肉的新协议. 该方法简化了样本的准备,并允许对肌肉纤维大小和类型进行全面的表征.

科学领域:

人体解剖学解剖学解剖学
历史学历史学历史学
生物化学生物化学

背景情况:

对骨肌肉的全面分析对于了解各种生理和病理状况至关重要.
对于小鼠后肢肌肉分析的现有方法可能是复杂和耗时的.
同时可视化所有后肢下部肌肉是具有挑战性的.

研究的目的:

开发和描述一个标准化的协议,同时可视化所有小鼠下部后肢骨肌肉.
简化用于全面肌肉表征的实验程序.
为了使肌肉纤维大小和类型特征的详细分析.

主要方法:

一个协议,包括在结前将整个小鼠的下部后肢定向于牙上.
低温切割和随后的组织化学和免疫光染色的详细步骤.
从单个冷切割中量化肌肉纤维大小和纤维类型特征.

主要成果:

描述的协议允许同时可视化所有小鼠下部后肢骨肌肉.
使用草草草的样品制备简化了随后的实验步骤.
该协议允许详细量化肌肉纤维大小和纤维类型.

结论:

该协议提供了一种简化和全面的方法来分析小鼠下部后肢肌肉.
该方法适用于各种组织学和 (免疫) 组织化学评估.
这种技术对研究肌肉再生,纤维化,酶活性和糖原含量有价值.

关键词:

细胞生物学细胞生物学细胞隔离细胞的隔离.细胞分离/细胞分离.代谢过程中的代谢.显微镜的使用方法模型生物模型生物分子生物学分子生物学

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相关概念视频

Classification of Skeletal Muscle Fibers

Classification of Skeletal Muscle Fibers

Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...