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Related Concept Videos

MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...

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Updated: Jun 23, 2026

MicroRNA Detection in Prostate Tumors by Quantitative Real-time PCR qPCR
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A MicroRNA Approach to Evaluating Elevated Prostate Cancer Risk in Cancer-Free Men.

Scott D Perrapato1, Nicholas H Farina2, Adrian N Berg3

  • 1University of Vermont.

Critical Reviews in Eukaryotic Gene Expression
|June 24, 2024
PubMed
Summary
This summary is machine-generated.

This study identifies circulating microRNAs as effective biomarkers for prostate cancer (PCa) detection. A novel serum-based assay offers a rapid, high-throughput method for PCa risk assessment and monitoring.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Biomarker Discovery

Background:

  • Objective criteria are crucial for prostate cancer (PCa) management, including risk assessment, treatment decisions, therapy evaluation, and recurrence detection.
  • Current diagnostic methods may lack specificity or require invasive procedures.
  • Circulating microRNAs (miRNAs) show promise as non-invasive biomarkers for various diseases, including cancer.

Purpose of the Study:

  • To develop and validate a panel of circulating microRNAs as biomarkers for distinguishing prostate cancer patients from healthy individuals and those with benign prostate hyperplasia.
  • To establish a rapid, high-throughput, serum-based assay for the detection of these PCa biomarkers.

Main Methods:

  • A panel of 60 microRNAs with known roles in PCa pathogenesis was selected.
  • Serum samples were analyzed using the FirePlex® microRNA analysis platform.
  • The assay was designed to be high-throughput and circumvent the need for specimen extraction and fractionation.

Main Results:

  • The study successfully developed a microRNA panel capable of distinguishing PCa patients.
  • The FirePlex® platform enabled a rapid, high-throughput, serum-based assay for PCa biomarkers.
  • The assay demonstrated efficacy and reproducibility, supporting its clinical utility.

Conclusions:

  • Circulating microRNAs are effective biomarkers for prostate cancer detection and risk assessment.
  • The developed serum-based assay is a feasible, rapid, and high-throughput tool for clinical research and diagnostic applications in prostate cancer.
  • This approach simplifies sample processing, enhancing the potential for widespread clinical adoption.