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A supersandwich fluorescence in situ hybridization strategy for highly sensitive and selective mRNA imaging in tumor
Jin Huang1, He Wang, Xiaohai Yang
1State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha 410082, China. kmwang@hnu.edu.cn.
Abstract:
We report a supersandwich fluorescence in situ hybridization (SFISH) strategy for highly sensitive and selective in situ visualization of mRNA expression patterns at the single-cell level. This strategy uses two fluorophore-labeled signal probes to generate a supersandwich product, which in turn generates numerous signal probes located at the target mRNA position, resulting in the in situ fluorescence signal amplification.
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