hsa_circ_0001947 suppresses acute myeloid leukemia progression via targeting hsa-miR-329-5p/CREBRF axis

Fengjiao Han1, Chaoqin Zhong1,2, Wei Li1

  • 1Department of Hematology, Qilu Hospital of Shandong University, Jinan 250012, PR China.

Epigenomics
|July 14, 2020
PubMed

Insights

Circular RNAs (circRNAs) play a role in cancer. This study identifies hsa_circ_0001947 as a tumor suppressor in acute myeloid leukemia (AML) by inhibiting cell proliferation.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Circular RNAs (circRNAs) are increasingly recognized for their roles in cancer biology.
  • The specific involvement of circRNAs in acute myeloid leukemia (AML) pathogenesis is not well understood.

Purpose of the Study:

  • To identify novel circRNAs implicated in the development and progression of AML.
  • To elucidate the functional role of a specific circRNA, hsa_circ_0001947, in AML.

Main Methods:

  • CircRNA microarray analysis to identify differentially expressed circRNAs.
  • Quantitative reverse transcription PCR (qRT-PCR) for expression analysis of hsa_circ_0001947.
  • siRNA-mediated knockdown to assess the in vitro and in vivo functions of hsa_circ_0001947.
  • Dual-luciferase assays and mimics/inhibitors to determine target gene interactions.

Main Results:

  • hsa_circ_0001947 was identified as a differentially expressed circRNA in AML.
  • hsa_circ_0001947 functions as a tumor suppressor, inhibiting AML cell proliferation.
  • This suppressive effect is mediated through the hsa-miR-329-5p/CREBRF axis.

Conclusions:

  • hsa_circ_0001947 acts as a novel tumor inhibitor in acute myeloid leukemia.
  • hsa_circ_0001947 holds potential as a therapeutic biomarker for AML treatment.

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