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Related Experiment Video

Updated: Jul 1, 2025

Absolute Quantification of Plasma MicroRNA Levels in Cynomolgus Monkeys, Using Quantitative Real-time Reverse Transcription PCR
10:23

Absolute Quantification of Plasma MicroRNA Levels in Cynomolgus Monkeys, Using Quantitative Real-time Reverse Transcription PCR

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Plasma microrna quantification protocol.

Sophie Maiocchi1, Elizabeth N Collins2, Andrew R Peterson2

  • 1Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7545, USA.

Vessel Plus
|March 6, 2024
PubMed
Summary
This summary is machine-generated.

This study presents a detailed protocol for quantifying microRNAs (miRNAs) in plasma using droplet digital PCR, addressing challenges in standardization for biomarker development in aortic aneurysm disease.

Keywords:
MicroRNAaortic aneurysmddPCRplasmaquantification

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Last Updated: Jul 1, 2025

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Area of Science:

  • Molecular Biology
  • Biochemistry
  • Genetics

Background:

  • MicroRNAs (miRNAs) are critical non-coding RNA regulators implicated in numerous pathological processes.
  • Circulating miRNAs show potential as diagnostic biomarkers for diseases like aortic aneurysm.
  • Standardized and reproducible quantification of plasma miRNAs remains a significant technical challenge.

Purpose of the Study:

  • To present a comprehensive and reproducible protocol for quantifying plasma miRNAs using droplet digital PCR (ddPCR).
  • To provide detailed guidance on the entire workflow, from sample collection to data analysis, to enhance standardization.
  • To facilitate independent verification and reproducibility of miRNA quantification for diagnostic development.

Main Methods:

  • Detailed description of a complete workflow for plasma miRNA quantification via ddPCR.
  • Includes blood collection, plasma processing, miRNA isolation, reverse transcription, and ddPCR amplification.
  • Emphasis on stepwise normalization, optimization, troubleshooting, and potential automation.

Main Results:

  • A versatile and detailed protocol for plasma miRNA quantification using ddPCR is presented.
  • Demonstrative data illustrates typical results obtained following the protocol steps.
  • Includes a table of expected aortic aneurysm-related miRNA levels in healthy plasma for standardization.

Conclusions:

  • The presented ddPCR protocol enhances reproducibility and standardization for plasma miRNA quantification.
  • This methodology is adaptable for various circulating miRNAs, supporting diagnostic biomarker development.
  • The protocol serves as a valuable resource for researchers and clinicians in disease diagnostics.