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使用特定杂交内部化探针 (SHIP) 进行B细胞受体细胞内流通的高分辨率成像

Sara Hernández-Pérez^1,2,3,4, Pieta K Mattila^5,6,7

¹Institute of Biomedicine, and MediCity Research Laboratories, University of Turku, Turku, Finland. rekgshe@ucl.ac.uk.

Methods in molecular biology (Clifton, N.J.)

|March 3, 2025

概括

研究人员开发了一种新的显微镜方法来追踪B细胞受体 (BCR) 内化. 这种技术通过专门检测内部化的BCR来增强细胞内过程的可视化,克服了表面受体带来的挑战.

科学领域:

细胞生物学细胞生物学
免疫学免疫学免疫学
显微镜的使用方法

背景情况:

B细胞在免疫反应中起着至关重要的作用.
视觉化细胞内流量,特别是B细胞受体 (BCR) 内化,由于表面受体密度高,具有挑战性.
用传统显微镜很难区分内部化BCR与表面结合的BCR.

研究的目的:

为了适应特异杂交内部化探测器 (SHIP) 试验用于基于显微镜的BCR内部化研究.
开发一种方法,在B细胞中明确检测内化BCRs.
为了提高成像细胞内过程的精度.

主要方法:

对显微镜的特定杂交内部化探测器 (SHIP) 试验的调整.
使用单链DNA (ssDNA) 光内部化探针 (FIP) 和互补的ssDNA火探针.
适用于各种成像方式,包括活细胞和超分辨率显微镜.

主要成果:

经过调整的SHIP测试可以清晰可视化内部化BCRs.
该方法有效地区分了细胞内BCR和细胞外,表面结合的BCR.
该试验证明了不同显微镜技术的多功能性.

结论:

SHIP测试是使用显微镜研究BCR内化的一个有价值的工具.
这种方法显著提高了检测内部化BCR的精度.
现在可以对B细胞中的细胞内过程进行增强的成像.

关键词:

B 细胞 B 细胞 B 细胞在BCR中,BCR是指BCR.内部化内部化内部化显微镜的使用方法交通交通交通流量囊泡囊泡是一种囊泡.

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