Fluorescence in situ hybridization: past, present and future

Area of Science:

• Molecular Biology
• Genetics
• Biotechnology

Background:

• Fluorescence in situ hybridization (FISH) is a widely used technique for visualizing nucleic acid sequences within their native cellular context.
• Over two decades, FISH technology has undergone continuous development and refinement.
• Its widespread adoption stems from diverse applications and relative ease of use in in situ studies.

Purpose of the Study:

• To review the evolution and advancements in Fluorescence in situ hybridization (FISH) technology.
• To highlight key methodological and technological breakthroughs that have enhanced FISH capabilities.
• To discuss the impact and future potential of FISH in biological research and medical diagnostics.

Main Methods:

• Review of historical development and methodological modifications in Fluorescence in situ hybridization (FISH).
• Discussion of advancements in probe preparation, detection sensitivity, and multi-target visualization.
• Analysis of automated data collection and quantitative analysis in FISH.

Main Results:

• FISH technology has evolved significantly, offering high-sensitivity detection and simultaneous assay of multiple nucleic acid species.
• Methodological advances facilitate the preparation of low-noise hybridization probes.
• Technological breakthroughs enable multi-target visualization and quantitative analysis, increasing accessibility and applicability.

Conclusions:

• Fluorescence in situ hybridization (FISH) has surpassed previous technologies to become a leading biological assay.
• Key innovations have made FISH accessible for diverse investigations of nucleic acids.
• Future impact is anticipated in live-cell imaging and medical diagnostics.