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Related Concept Videos

Real Time RT-PCR02:57

Real Time RT-PCR

Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
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Related Experiment Video

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Probe-based Real-time PCR Approaches for Quantitative Measurement of microRNAs
10:28

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A PCR-based method for detection and quantification of small RNAs.

Seungil Ro1, Chanjae Park, Jingling Jin

  • 1Department of Physiology and Cell Biology, University of Nevada School of Medicine, Reno, NV 89557, USA.

Biochemical and Biophysical Research Communications
|November 7, 2006
PubMed
Summary

Researchers developed a new PCR-based method for accurately detecting and quantifying small RNA expression. This technique aids in the validation and characterization of microRNAs (miRNAs) and other small RNAs across various tissues and developmental stages.

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Last Updated: Jul 19, 2026

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Area of Science:

  • Molecular Biology
  • Genomics
  • Biotechnology

Background:

  • Hundreds of thousands of small RNAs, including microRNAs (miRNAs), Piwi-interacting RNAs (piRNAs), and small nucleolar RNAs (snoRNAs), have been identified.
  • Characterization and expression profiling of these non-coding RNAs are crucial for understanding their biological roles.
  • Existing methods for small RNA expression analysis often lack simplicity, accuracy, or sensitivity.

Purpose of the Study:

  • To develop a simple, accurate, and sensitive method for small RNA expression profiling.
  • To facilitate the validation and characterization of newly identified small RNAs.
  • To enable quantitative detection of small RNA expression in diverse biological contexts.

Main Methods:

  • Development of a novel Polymerase Chain Reaction (PCR)-based assay.
  • Application of the method for detecting and quantifying small RNA expression.
  • Validation of the method's performance in terms of simplicity, accuracy, and sensitivity.

Main Results:

  • A robust PCR-based method for small RNA expression profiling was successfully established.
  • The method demonstrates high sensitivity and accuracy in quantifying small RNA levels.
  • The developed technique simplifies the process of small RNA characterization.

Conclusions:

  • The novel PCR-based method provides a valuable tool for small RNA research.
  • This technique addresses the demand for efficient small RNA expression analysis.
  • It will aid in the comprehensive study of miRNAs, piRNAs, and snoRNAs in various biological systems.