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OncomiR or antioncomiR: Role of miRNAs in Acute Myeloid Leukemia

Chengcheng He1,2, Bo Luo2, Nan Jiang2

  • 1a People's Hospital of Zhongjiang , Deyang , Sichuan , P. R. China.

Leukemia & Lymphoma
|September 7, 2018
PubMed

Insights

MicroRNAs (miRNAs) play a dual role in Acute Myeloid Leukemia (AML), acting as oncogenes or tumor suppressors. Their abnormal expression impacts cell differentiation and apoptosis, contributing to AML development.

Area of Science:

  • Molecular Biology
  • Hematology
  • Oncology

Background:

  • Acute Myeloid Leukemia (AML) is a stem cell disorder characterized by immature myeloblasts with impaired proliferation and apoptosis.
  • MicroRNAs (miRNAs) are small noncoding RNAs regulating gene expression.
  • Aberrant miRNA expression is increasingly recognized in AML pathogenesis.

Purpose of the Study:

  • To review current data on miRNAs in Acute Myeloid Leukemia (AML).
  • To explore the specific targets and biological functions of miRNAs, particularly concerning apoptosis in AML development.

Main Methods:

  • Literature review of existing research on miRNAs, their targets, and their role in AML.
  • Analysis of biological functions, focusing on apoptosis regulation by miRNAs in the context of leukemia.

Main Results:

  • miRNAs can function as oncogenes or tumor suppressors in leukemia.
  • Overexpressed miRNAs can down-regulate tumor suppressors, hindering cell differentiation and promoting AML.
  • Conversely, miRNAs can act as tumor suppressors by down-regulating oncogenic proteins.

Conclusions:

  • miRNAs are critical regulatory molecules in Acute Myeloid Leukemia.
  • Understanding miRNA targets and their impact on apoptosis is crucial for deciphering AML development.
  • miRNAs represent potential therapeutic targets for AML treatment.
Keywords:
Acute Myeloid LeukemiaOncomiRantioncomiRmicroRNA

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