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Related Experiment Video

Updated: Jun 4, 2026

Preparation of Formalin-fixed Paraffin-embedded Tissue Cores for both RNA and DNA Extraction
08:30

Preparation of Formalin-fixed Paraffin-embedded Tissue Cores for both RNA and DNA Extraction

Published on: August 21, 2016

Nucleic acids extraction from laser microdissected FFPE tissue sections.

Renate Burgemeister1

  • 1Carl Zeiss MicroImaging, München, Germany. burgemeister@zeiss.de

Methods in Molecular Biology (Clifton, N.J.)
|March 4, 2011
PubMed
Summary
This summary is machine-generated.

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Laser capture microdissection (LCM) ensures experimental reproducibility by isolating homogeneous cell populations. Optimized protocols enhance RNA extraction from formalin-fixed, paraffin-embedded (FFPE) tissues for expression studies.

Area of Science:

  • Molecular Biology
  • Biotechnology
  • Histology

Background:

  • Tissue heterogeneity frequently leads to experimental variability and failed studies.
  • Laser capture microdissection (LCM) enables the isolation of specific, homogeneous cell populations from complex tissues.
  • Accessing high-quality RNA for expression studies is crucial for reliable research outcomes.

Purpose of the Study:

  • To highlight the utility of LCM in obtaining reproducible experimental results.
  • To emphasize the potential of formalin-fixed, paraffin-embedded (FFPE) tissues as a source for RNA extraction.
  • To underscore the importance of optimized protocols for RNA analysis from FFPE samples.

Main Methods:

  • Utilizing laser capture microdissection (LCM) to isolate spatially defined tissue areas.

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Last Updated: Jun 4, 2026

Preparation of Formalin-fixed Paraffin-embedded Tissue Cores for both RNA and DNA Extraction
08:30

Preparation of Formalin-fixed Paraffin-embedded Tissue Cores for both RNA and DNA Extraction

Published on: August 21, 2016

Laser Capture Microdissection of Paraformaldehyde-Fixed Mouse Liver Tissue for RNA Analysis
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Laser Capture Microdissection of Paraformaldehyde-Fixed Mouse Liver Tissue for RNA Analysis

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  • Performing RNA extraction from various tissue sample types, including fresh, frozen, and FFPE specimens.
  • Developing and optimizing protocols for RNA isolation and subsequent expression analysis.

    • Main Results:

    • LCM provides a method for preparing homogeneous starting material, improving experimental reliability.
    • Both fresh/frozen and FFPE tissues can yield DNA.
    • Optimized protocols can render RNA from FFPE tissues suitable for expression studies, unlocking valuable archival material.

    Conclusions:

    • LCM is essential for generating reliable and reproducible experimental data by overcoming tissue heterogeneity.
    • FFPE tissue archives represent a significant resource for RNA-based expression studies.
    • Further optimization of RNA extraction protocols is key to maximizing the utility of FFPE samples in molecular research.