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Related Concept Videos

Real Time RT-PCR02:57

Real Time RT-PCR

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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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Probe-based Real-time PCR Approaches for Quantitative Measurement of microRNAs
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miRNome analysis using real-time PCR.

Paola Pontrelli1, Matteo Accetturo, Loreto Gesualdo

  • 1Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari "A. Moro", Policlinico, Piazza G. Cesare 11, 70124, Bari, Italy, paola.pontrelli@uniba.it.

Methods in Molecular Biology (Clifton, N.J.)
|August 24, 2014
PubMed
Summary
This summary is machine-generated.

This study introduces a targeted quantitative real-time PCR (qRT-PCR) method using a custom microRNA panel to analyze microRNAs (miRNAs) regulating Cytotoxic T-Lymphocyte (CTL) pathways. This approach enhances detection of specific miRNA expression in diseases like cancer.

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Area of Science:

  • Molecular Biology
  • Immunology
  • Genetics

Background:

  • MicroRNAs (miRNAs) are key regulators of gene expression impacting cellular processes.
  • Dysregulated miRNA expression is implicated in diseases including cancer and infectious diseases.
  • Understanding miRNA roles in Cytotoxic T-Lymphocyte (CTL) biology is crucial for disease and therapeutic research.

Purpose of the Study:

  • To develop a precise method for analyzing miRNA expression profiles relevant to CTLs.
  • To create a custom miRNA quantitative real-time PCR (qRT-PCR) panel for targeted analysis.
  • To improve the detection of specific miRNAs involved in CTL biogenesis and function.

Main Methods:

  • Design of a custom miRNA qRT-PCR panel using an in silico approach.
  • Utilizing LNA (locked nucleic acid) enhanced primers for increased miRNA detection affinity and specificity.
  • Application of SYBR® green technology for quantitative gene expression analysis.

Main Results:

  • The custom panel allows for specific analysis of miRNAs targeting CTL-related genes.
  • Enhanced sensitivity enables detection of weaker miRNA signals, reducing background noise.
  • The method distinguishes itself from whole miRNome analysis by focusing on relevant pathways.

Conclusions:

  • This targeted qRT-PCR approach provides a sensitive and specific tool for studying miRNA regulation in CTLs.
  • The developed panel is applicable to investigating CTL behavior in pathological conditions like cancer and infectious diseases.
  • It can also be used to assess immune responses to therapeutic interventions and elucidate underlying molecular mechanisms.