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Laser Capture Microdissection of Mammalian Tissue
16:34

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Published on: October 1, 2007

Laser capture microdissection: Arcturus(XT) infrared capture and UV cutting methods.

Rosa I Gallagher1, Steven R Blakely, Lance A Liotta

  • 1Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA. rgallag3@gmu.edu

Methods in Molecular Biology (Clifton, N.J.)
|November 15, 2011
PubMed
Summary

Laser capture microdissection (LCM) precisely isolates cells from tissues using laser technology. This method supports various downstream applications like proteomics and genetic analysis.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Histology

Background:

  • Laser capture microdissection (LCM) is a critical technique for isolating specific cell populations from complex biological tissues.
  • Traditional methods may lack the precision required for downstream molecular analyses.

Purpose of the Study:

  • To describe the capabilities of the Arcturus(XT) laser capture microdissection instrument.
  • To demonstrate the application of LCM in proteomics using a downstream assay.

Main Methods:

  • LCM utilizes microscopy for cell visualization and laser energy for cell isolation.
  • Two primary laser methods are employed: infrared (IR) for polymer-based capture and ultraviolet (UV) for tissue ablation.
  • The Arcturus(XT) instrument integrates both IR capture and UV cutting technologies.

Main Results:

  • LCM enables the procurement of histologically enriched cell populations.
  • The technology is versatile, supporting applications such as mass spectrometry, DNA genotyping, RNA profiling, and proteomics.
  • The Arcturus(XT) instrument facilitates precise cell isolation for advanced molecular studies.

Conclusions:

  • Laser capture microdissection is an indispensable tool for targeted cell isolation in biological research.
  • The Arcturus(XT) instrument offers a dual-functionality approach, enhancing its utility for diverse applications.
  • Precise cell isolation via LCM is crucial for reliable downstream molecular profiling and discovery.