通过扩散分析物涂抹和抗体结合物放大来提高单细胞西部涂抹灵敏度
Mariia Alibekova Long1,2,3, William Benman1,2, Nathan Petrikas1,4
1Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104, PA, USA.
bioRxiv : the preprint server for biology
|July 3, 2023
概括
研究人员改善了单细胞西斑 (scWestern) 检测低丰度蛋白质的灵敏度. 通过将分离转移到纤维素并使用酶-抗体结合物,他们实现了检测极限的520倍改善.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 细胞生物学 细胞生物学
背景情况:
- 单细胞分析对于理解细胞异质性至关重要.
- 与核酸检测相比,检测单个细胞中的蛋白质面临着灵敏度和吞吐量方面的挑战.
- 由于凝运输障碍,现有的单细胞西斑 (scWestern) 技术难以检测低丰度蛋白质.
结论:
- 用酸纤维素固定的scWestern显著提高了对低丰度蛋白质检测的敏感性.
- 这种方法扩大了与各种亲和反应物的兼容性,以改善信号放大.
- 改进的scWestern方法为敏感的单细胞蛋白质组分析提供了一个强大的工具.
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