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Related Experiment Video

Updated: May 31, 2026

RNA Isolation from Cell Specific Subpopulations Using Laser-capture Microdissection Combined with Rapid Immunolabeling
07:01

RNA Isolation from Cell Specific Subpopulations Using Laser-capture Microdissection Combined with Rapid Immunolabeling

Published on: April 11, 2015

Optimized RNA extraction from non-deparaffinized, laser-microdissected material.

Danny Jonigk1, Friedrich Modde, Clemens L Bockmeyer

  • 1Medizinische Hochschule Hannover, Institute of Pathology, Hannover, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|July 16, 2011
PubMed
Summary
This summary is machine-generated.

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This study presents a new method for isolating tissue compartments from formalin-fixed, paraffin-embedded samples. This technique enhances messenger RNA (mRNA) retrieval for sensitive gene expression analysis using RT-polymerase chain reaction (PCR).

Area of Science:

  • Molecular Biology
  • Genomics
  • Biotechnology

Background:

  • Formalin-fixed, paraffin-embedded (FFPE) tissues are standard for storage, preserving nucleic acids.
  • Deparaffinization for laser microdissection can degrade mRNA, reducing RT-polymerase chain reaction (PCR) sensitivity.
  • Efficient mRNA retrieval from FFPE tissues is crucial for accurate gene expression analysis.

Purpose of the Study:

  • To develop an improved method for isolating anatomic compartments from FFPE tissues.
  • To enhance messenger RNA (mRNA) recovery for subsequent molecular analyses.
  • To maintain mRNA integrity for sensitive RT-polymerase chain reaction (PCR) expression profiling.

Main Methods:

  • Laser-assisted microdissection applied to non-deparaffinized FFPE tissue sections.

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Last Updated: May 31, 2026

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Published on: April 11, 2015

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

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Laser Microdissection for Species-Agnostic Single-Tissue Applications
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Laser Microdissection for Species-Agnostic Single-Tissue Applications

Published on: March 31, 2022

  • Isolation of specific anatomic compartments without prior deparaffinization.
  • Subsequent mRNA extraction and RT-polymerase chain reaction (PCR) for gene expression analysis.

    • Main Results:

    • Demonstrated a method for efficient mRNA retrieval from FFPE tissues.
    • Preserved mRNA quality by avoiding the deparaffinization step.
    • Maintained high sensitivity in RT-polymerase chain reaction (PCR) expression analysis.

    Conclusions:

    • The described method enables highly efficient mRNA retrieval from FFPE tissues.
    • Avoiding deparaffinization preserves mRNA integrity and enhances PCR sensitivity.
    • This technique is valuable for molecular studies using archived FFPE samples.