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MicroRNAs01:22

MicroRNAs

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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...
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MicroRNAs01:22

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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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Correction: Marchetti et al. MicroRNA-24-3p Targets Notch and Other Vascular Morphogens to Regulate Post-ischemic Microvascular Responses in Limb Muscles. <i>Int. J. Mol. Sci</i>. 2020, <i>21</i>, 1733.

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Related Experiment Video

Updated: Nov 17, 2025

Micropatterning and Assembly of 3D Microvessels
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Manipulating Pericyte Function with MicroRNAs.

Milena Vitiello1, Ben Cathcart1, Andrea Caporali1

  • 1BHF Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK.

Methods in Molecular Biology (Clifton, N.J.)
|February 12, 2021
PubMed
Summary
This summary is machine-generated.

This study details methods for manipulating microRNAs (miRNAs) in pericytes to understand their role in vascular health and disease. Researchers can now better investigate pericyte function and miRNA-based therapies.

Keywords:
MigrationPericytesProliferationTarget validationTransfectionmiRNA inhibitorsmiRNA mimics

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Area of Science:

  • Vascular Biology
  • Molecular Biology
  • Cell Biology

Background:

  • MicroRNAs (miRNAs) are crucial regulators of gene expression found in all cell types, including pericytes.
  • Pericytes play vital roles in vascular development, homeostasis, and disease processes.
  • Understanding miRNA functions in pericytes is key to exploring their therapeutic potential.

Purpose of the Study:

  • To outline methods for manipulating pericyte function using miRNA mimics and inhibitors.
  • To describe techniques for assessing pericyte proliferation and migration after miRNA manipulation.
  • To provide a framework for identifying and validating miRNA gene targets within pericytes.

Main Methods:

  • Utilizing miRNA mimics and inhibitors to alter miRNA levels in pericytes.
  • Assessing pericyte proliferation and migration using established cell-based assays.
  • Employing molecular techniques for the identification and validation of miRNA targets in pericytes.

Main Results:

  • Established protocols for effective miRNA manipulation in pericytes.
  • Demonstrated methods to quantify changes in pericyte function post-miRNA modulation.
  • Developed approaches for target gene discovery and validation in the context of pericyte miRNA research.

Conclusions:

  • The described methods provide essential tools for studying pericyte biology and miRNA roles.
  • This work facilitates the investigation of pericyte-mediated vascular development and regeneration.
  • The findings support the advancement of miRNA-based therapeutic strategies targeting vascular diseases.