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Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
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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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Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
11:44

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis

Published on: March 30, 2019

miRNA and vascular cell movement.

Junming Yue1

  • 1Department of Physiology and Cancer Research Institute, University of Tennessee Health Science Center, TN 38163, USA. jyue@uthsc.edu

Advanced Drug Delivery Reviews
|January 19, 2011
PubMed
Summary
This summary is machine-generated.

MicroRNAs (miRNAs) regulate gene expression and are implicated in diseases like cancer. Targeting vascular cell movement with miRNA-based therapies offers a novel treatment approach for cancers and vascular diseases.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • MicroRNAs (miRNAs) are small endogenous RNAs regulating gene expression post-transcriptionally.
  • Dysregulated miRNA expression is linked to human diseases, including cancer and cardiovascular disease.
  • Vascular cell movement is crucial in cancer and cardiovascular disease development.

Purpose of the Study:

  • To explore the role of miRNAs in regulating vascular cell movement.
  • To investigate miRNA-based therapeutic strategies for cancer and vascular diseases.

Main Methods:

  • Utilizing chemically synthesized antagomirs and miRNA mimics to study miRNA functions.
  • Employing viral vectors (adenoviral, lentiviral, AAV) for in vitro and in vivo miRNA overexpression or knockdown.

Main Results:

  • miRNAs have been identified as regulators of vascular cell movement.
  • miRNA-based approaches are effective for manipulating miRNA levels in cells and organisms.

Conclusions:

  • Targeting vascular cell movement via miRNA-based drug or gene therapy presents a promising therapeutic avenue.
  • This approach could offer novel treatments for various cancers and vascular diseases.