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DOI: 10.3791/51011-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
对于可溶性Ⅰ型胶原(COL1)隔离的传统程序需要从开始10天左右,由于长时间的缓冲液孵育和纤丝费力再悬浮完成。在这里,我们描述了从真皮小活检净化COL1,在不到3小时的方法。
该程序的总体目标是从真皮样本中快速分离 1 型胶原蛋白。这是通过首先将真皮样本切成小块来实现的。在第二步中,通过在乙酸钠中快速搅拌真皮样品来去除非胶原溶解的蛋白质和多糖。
接下来,用水冲洗样品以去除所有痕量乙酸钠。在最后一步中,使用柠檬酸盐缓冲液离心机从真皮样品中提取 1 型胶原蛋白,以去除样品中残留的固体,然后使用一次性离心装置过滤以浓缩最终产品。最终,1 型胶原蛋白可以从这种浓缩物中进一步聚合。
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