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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...
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...

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Updated: May 26, 2026

MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method
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MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method

Published on: October 7, 2025

A microRNA guide for clinicians and basic scientists: background and experimental techniques.

Bianca C Bernardo1, Fadi J Charchar, Ruby C Y Lin

  • 1Baker IDI Heart and Diabetes Institute, Melbourne, Australia. Bianca.bernardo@bakeridi.edu.au

Heart, Lung & Circulation
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

MicroRNAs (miRNAs) are small non-coding RNAs. This review covers miRNA discovery, biology, experimental methods, and their diagnostic and therapeutic applications.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • MicroRNAs (miRNAs) are short non-coding RNA molecules (~22 nucleotides).
  • Recent years have seen rapid advancements in miRNA research and discovery.
  • Understanding miRNA biology is crucial for molecular and cellular processes.

Purpose of the Study:

  • To provide an overview of miRNA discovery and biology.
  • To summarize experimental techniques for miRNA isolation, detection, target prediction, and regulation.
  • To discuss the diagnostic and therapeutic potential of miRNAs.

Main Methods:

  • Literature review of miRNA research.
  • Summary of experimental protocols for miRNA analysis.
  • Discussion of bioinformatics tools for target prediction.

Main Results:

  • miRNAs play significant roles in gene regulation.
  • Various techniques exist for studying miRNA expression and function.
  • miRNAs show promise as biomarkers and therapeutic agents.

Conclusions:

  • miRNAs are key regulators of gene expression.
  • Standardized experimental workflows are essential for reliable miRNA research.
  • Further investigation into miRNA applications in diagnostics and therapeutics is warranted.