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Aberrant microRNA expression and its implications in the pathogenesis of leukemias

Sadegh Babashah1, Majid Sadeghizadeh, Mostafa Rezaei Tavirani

  • 1Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, 1411713116, Tehran, Iran. sadegh.babashah@gmail.com

Cellular Oncology (Dordrecht, Netherlands)
|September 8, 2012
PubMed
Abstract

Insights

MicroRNAs (miRNAs) are small RNAs crucial in gene regulation. Aberrant miRNA expression is linked to leukemia, offering new diagnostic and therapeutic strategies for blood cancers.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • MicroRNAs (miRNAs) are small, non-coding RNAs regulating gene expression.
  • Dysregulated miRNA expression is a hallmark of hematological malignancies, particularly leukemias.

Purpose of the Study:

  • To review current data on the role of aberrant miRNA expression in leukemia pathogenesis.
  • To cover various leukemia types including AML, ALL, CML, and CLL.

Main Methods:

  • Literature review of studies investigating miRNA expression in leukemias.
  • Analysis of miRNA roles in the molecular mechanisms of leukemogenesis.

Main Results:

  • Evidence supports a significant role for altered miRNA expression in the development of different leukemia subtypes.
  • miRNAs can act as oncogenes or tumor suppressors in leukemic cells.

Conclusions:

  • miRNA expression profiles offer potential for improved leukemia diagnosis and prognosis.
  • Targeting miRNAs presents novel therapeutic avenues for leukemia treatment, either by inhibition or augmentation.

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