用单细胞生长率量化测量药物反应
Fiona Xi Xu1, Ruibing Wu1, Kailun Hu1
1Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
Analytical chemistry
|November 28, 2023
概括
这项研究引入了一种新的无标签显微镜技术,以2D和3D测量单细胞生长率. 这种方法可以快速进行单细胞药物敏感性测试,这对于了解癌症药物耐药性至关重要.
科学领域:
- 生物物理学的生物物理.
- 细胞生物学 细胞生物学
- 癌症研究 癌症研究
背景情况:
- 内异质性驱动癌症药物耐药性.
- 单细胞药物反应监测对于有效的癌症治疗至关重要.
- 目前用于量化单细胞生长的方法仅限于二维培养.
研究的目的:
- 开发一种无标签的技术,用于测量2D和3D单细胞生长率.
- 为了实现快速,单细胞药物敏感性测定.
- 研究各种化疗药物对细胞生长和形态学的影响.
主要方法:
- 使用了比度刺激拉曼散射 (SRS) 显微镜.
- 作为标记物,使用了酸氨基酸 (氨酸,异氨酸,氨酸).
- 测量C-D和C-H SRS信号以确定2D和3D培养中的单细胞生长率.
主要成果:
- 使用无标签SRS显微镜精确量化2D和3D单细胞生长率.
- 在12小时内实现单细胞药物敏感度测量.
- 研究了激酶抑制剂,线粒激酶抑制剂和拓聚酶II抑制剂对细胞生长和形态学的影响.
结论:
- 开发的SRS显微镜技术为评估单细胞药物反应提供了强大的工具.
- 这种方法为传统药物敏感性测试提供了更快的替代方案.
- 量化3D细胞生长增强了对瘤微环境中的药物相互作用的理解.
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