Small Angle X-ray Diffraction as a Tool for Structural Characterization of Muscle Disease.

Small Angle X-ray Diffraction as a Tool for Structural Characterization of Muscle Disease.
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DOI:
10.3390/ijms23063052
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发表时间:
2022-03-11
影响因子:
5.6
通讯作者:
Irving TC
Irving TC
中科院分区:
生物学2区
文献类型:
--
作者:
Ma W;Irving TC

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小角度X射线纤维衍射是在水合生理条件下从横纹肌纤维获得分子水平结构信息的首选方法。几十年来,这项技术主要用于研究有关肌肉收缩和调节的基本生物物理问题,其使用仅限于相对较小的专业从业人员。然而,在过去的20年里,X射线衍射已经成为研究心脏和骨骼肌病结构后果的重要工具。在这篇综述中,我们展示了如何简单和直接的测量,访问非专家,可以用来提取生物物理参数,可以帮助解释和表征的生理和病理的一个给定的实验系统。我们提供了有关可以进行的测量类型范围的全面指南,并在对文献的全面回顾中说明了它们如何用于深入了解病理学的结构基础。我们还展示了这些测量方法如何为当前的争议提供信息,并指出一些未来的方向。
Small angle X-ray fiber diffraction is the method of choice for obtaining molecular level structural information from striated muscle fibers under hydrated physiological conditions. For many decades this technique had been used primarily for investigating basic biophysical questions regarding muscle contraction and regulation and its use confined to a relatively small group of expert practitioners. Over the last 20 years, however, X-ray diffraction has emerged as an important tool for investigating the structural consequences of cardiac and skeletal myopathies. In this review we show how simple and straightforward measurements, accessible to non-experts, can be used to extract biophysical parameters that can help explain and characterize the physiology and pathology of a given experimental system. We provide a comprehensive guide to the range of the kinds of measurements that can be made and illustrate how they have been used to provide insights into the structural basis of pathology in a comprehensive review of the literature. We also show how these kinds of measurements can inform current controversies and indicate some future directions.
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