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Related Experiment Video

Updated: Jul 1, 2026

Oncogenic Gene Fusion Detection Using Anchored Multiplex Polymerase Chain Reaction Followed by Next Generation Sequencing
09:49

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Published on: July 5, 2019

A sensitive array-based assay for identifying multiple TMPRSS2:ERG fusion gene variants.

Qing Lu1, Esperanza Nunez, Chunrun Lin

  • 1Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA.

Nucleic Acids Research
|September 17, 2008
PubMed
Summary
This summary is machine-generated.

A new microarray assay can detect TMPRSS2:ERG fusion transcripts, crucial in prostate cancer, even in impure samples. This sensitive method aids in screening fusion genes in clinical specimens.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Gene fusions are well-studied in hematological cancers but less so in solid tumors due to heterogeneity.
  • Recurrent TMPRSS2:ETS fusions in prostate cancer have increased interest in fusion genes in epithelial tumors.
  • TMPRSS2:ERG is the most common fusion partner within the ETS gene family.

Purpose of the Study:

  • To develop a simple, sensitive assay for simultaneous detection of multiple fusion variants.
  • To enable fusion gene screening in impure RNA specimens using a single RT-PCR.

Main Methods:

  • A microarray-based assay utilizing RT-PCR (reverse transcription polymerase chain reaction).
  • Simultaneous detection of multiple fusion variants through optimized primer and probe design.
  • Testing sensitivity with varying concentrations of normal RNA and in primary prostate tumors.

Main Results:

  • The assay achieved high sensitivity, detecting TMPRSS2:ERG fusion transcripts from fewer than 10 cells.
  • Successfully detected fusions in primary prostate tumors with minimal cancer cell presence (>1%).
  • Demonstrated the ability to detect multiple transcript variants in a single assay.

Conclusions:

  • The developed assay is simple, sensitive, and effective for detecting TMPRSS2:ERG fusion transcripts.
  • This method can be readily adapted for screening multiple gene loci in clinical specimens.
  • Facilitates both clinical and basic research on fusion genes in solid tumors.