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Determination of Total Lipid and Lipid Classes in Marine Samples

Determination of Total Lipid and Lipid Classes in Marine Samples

Published on: December 11, 2021

FISH Analysis.

A A Sandberg¹, Z Chen

¹DNA Diagnostics Department, St. Joseph's Hospital and Medical Center, Phoenix, AZ.

Methods in Molecular Medicine

|February 12, 2011

Summary

This summary is machine-generated.

In situ hybridization techniques have evolved from slow, isotopic methods to faster, safer non-isotopic approaches. These advancements improve DNA and RNA detection in cells for reliable analysis.

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Area of Science:

Molecular Biology
Cell Biology
Biotechnology

Background:

In situ hybridization (ISH) allows visualization of specific DNA or RNA sequences within cells.
Early ISH methods used radioactive probes and autoradiography, which were time-consuming and impractical for clinical use.

Purpose of the Study:

To review the evolution of in situ hybridization techniques.
To highlight the advantages of non-isotopic labeling and modern detection methods.

Main Methods:

Review of historical and modern in situ hybridization methodologies.
Comparison of isotopic versus non-isotopic probe labeling.
Discussion of detection techniques including autoradiography, immunocytochemistry, and immunofluorescence.

Main Results:

Autoradiography-based ISH requires lengthy exposure times.
Non-isotopic nucleic acid labeling emerged in the late 1970s.
Modern ISH utilizes reporter molecules, immunocytochemistry, and immunofluorescence for enhanced detection.

Conclusions:

Non-isotopic in situ hybridization is safer, faster, and more reliable than older methods.
Advances in fluorescence microscopy and image analysis further improve ISH reliability.
Modern ISH techniques are suitable for clinical applications.