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Biochemistry
二维半变性洗涤剂琼脂糖凝胶电泳法确定淀粉样或淀粉样纤维的粒度异质性
二维半变性洗涤剂琼脂糖凝胶电泳法确定淀粉样或淀粉样纤维的粒度异质性
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Biochemistry
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JoVE Journal Biochemistry
Use of Two Dimensional Semi-denaturing Detergent Agarose Gel Electrophoresis to Confirm Size Heterogeneity of Amyloid or Amyloid-like Fibers

二维半变性洗涤剂琼脂糖凝胶电泳法确定淀粉样或淀粉样纤维的粒度异质性

Full Text
10,500 Views
10:10 min
April 26, 2018

DOI: 10.3791/57498-v

Sarah Hanna-Addams1, Zhigao Wang1

1Department of Molecular Biology,UT Southwestern Medical Center

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Please note that some of the translations on this page are AI generated. Click here for the English version.

在这里, 我们使用二维半变性琼脂糖凝胶电泳, 以确认存在的异质淀粉样纤维的异构大小, 并排除了大小异质性是由于淀粉样纤维在凝胶中离解的可能性运行过程。

这种二维半变性去污剂琼脂糖凝胶电泳的总体目标是确认传统 SDD-AGE 中观察到的淀粉样蛋白或淀粉样蛋白纤维的大小异质性。该方法可以帮助回答淀粉样蛋白或蛋白质聚集领域中的关键问题,例如在传统 SDD-AGE 中看到的大小异质性是体内纤维的天然状态,还是凝胶电泳过程中蛋白质降解或解离的结果。该技术的主要优点是无需专用设备即可在实验室中轻松进行。

除了传统 SDD-AGE 中使用的设备外,不需要额外的设备。首先,将产生淀粉样蛋白的 HT-29 结肠癌细胞接种在 10 厘米的组织培养皿中。然后,将细胞在 37 摄氏度下用 5% 二氧化碳孵育过夜。

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