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Updated: Jun 21, 2025

An In Vitro Protocol for Evaluating MicroRNA Levels, Functions, and Associated Target Genes in Tumor Cells
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An In Vitro Protocol for Evaluating MicroRNA Levels, Functions, and Associated Target Genes in Tumor Cells

Published on: May 21, 2019

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Synthesis and Regulation of miRNA, Its Role in Oncogenesis, and Its Association with Colorectal Cancer Progression,

Monika Rac1

  • 1Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland.

Diagnostics (Basel, Switzerland)
|July 13, 2024
PubMed

Insights

Dysfunctional microRNAs (miRNAs) are key regulators in colorectal cancer development. Monitoring these small RNAs offers potential for early cancer detection and targeted therapies.

Area of Science:

  • Molecular Biology
  • Oncology
  • Epigenetics

Background:

  • MicroRNAs (miRNAs) are small non-coding RNAs crucial for post-transcriptional gene regulation.
  • Dysregulated miRNA expression is implicated in various cancers, influencing tumor progression, angiogenesis, and invasion.
  • Epigenetic modifications, particularly DNA methylation, interact with miRNA expression in tumors.

Purpose of the Study:

  • To provide an overview of specific miRNAs frequently overexpressed in colorectal cancer.
  • To highlight the oncogenic potential of these selected miRNAs.
  • To discuss the role of miRNAs as diagnostic and prognostic biomarkers for colorectal cancer.

Main Methods:

  • Literature review of studies investigating miRNA expression in colorectal cancer.
  • Analysis of miRNA involvement in key cancer hallmarks like proliferation and apoptosis.
  • Examination of the interplay between DNA methylation and miRNA regulation in colorectal cancer.

Main Results:

  • Several miRNAs are consistently found to be upregulated in colorectal cancer cells.
  • These upregulated miRNAs exhibit oncogenic properties, promoting tumor development.
  • MiRNA expression profiles correlate with cancer progression and may serve as prognostic indicators.

Conclusions:

  • Specific miRNAs play significant roles in colorectal cancer pathogenesis.
  • Upregulated miRNAs in colorectal cancer suggest potential as oncogenic drivers.
  • MiRNAs represent promising biomarkers for early detection and therapeutic targets in colorectal cancer treatment.
Keywords:
colorectal cancergen regulationmiRNAoncogenesis

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