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VISTA-FISH:视频成像与光现场混合的空间时间分析

Kun H Lee¹, Mingjia Yao¹, Javid Ghaemmaghami¹

¹Gilbert S. Omenn Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA.

bioRxiv : the preprint server for biology

|November 24, 2025

概括

我们开发了通过FISH (VISTA-FISH) 进行空间时间分析的视频成像,以将活细胞成像与基因表达联系起来. 这种方法揭示了复杂细胞功能和神经元活动的分子机制.

科学领域:

细胞生物学细胞生物学
神经科学是一个神经科学.
分子生物学分子生物学

背景情况:

活细胞显微镜和基因表达分析对于理解动态细胞过程至关重要.
传统的方法很难将时间成像与来自同一细胞的高维分子数据相结合.

研究的目的:

开发一种新的技术,将活细胞成像与单细胞基因表达造型进行整合.
研究细胞活动,器官细胞运输和神经元功能的分子基础.

主要方法:

开发了由FISH (VISTA-FISH) 进行空间时间分析的视频成像,以将活细胞视频与终点基因表达相关联.
将VISTA-FISH应用于分化神经元,以链接活动,分化阶段和转录本地化.
集成的聚合CRISPR干扰查与活细胞溶酶体成像.

主要成果:

成功地将神经元活动与分化阶段,亚细胞转录本地化和细胞亚型联系起来.
建立了一个基于基因表达数据的神经元活动的预测模型.
在使用CRISPR查的扰乱神经元中识别了基因表达和溶酶体变异.

结论:

VISTA-FISH是一种强大的工具,用于剖析复杂的时表型的分子机制.
该技术能够同时分析活细胞动态和高维基因表达.
VISTA-FISH促进了神经元活动,器官贩运和细胞功能的研究.

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相关概念视频

FISH - Fluorescent In-situ Hybridization

FISH - Fluorescent In-situ Hybridization

Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...

In-situ Hybridization

In-situ Hybridization

In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...