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Updated: Nov 8, 2025

Genome-wide Screen for miRNA Targets Using the MISSION Target ID Library
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MicroRNA-1269a promotes the occurrence and progression of osteosarcoma by inhibiting TGF-β1 expression

S-N Yu1, Y-Y Miao, B T Zhang

  • 1Departments of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China.

European Review for Medical and Pharmacological Sciences
|April 20, 2021
PubMed

Insights

This article on microRNA-1269a and osteosarcoma has been withdrawn due to suspected research misconduct. The publisher retracted the study after authors failed to verify data originality.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Osteosarcoma is a primary bone malignancy with a complex molecular basis.
  • MicroRNAs (miRNAs) are increasingly recognized as key regulators in cancer development.
  • Transforming growth factor-beta 1 (TGF-β1) plays a role in bone biology and cancer progression.

Purpose of the Study:

  • To investigate the role of microRNA-1269a in osteosarcoma.
  • To explore the potential mechanism involving the inhibition of TGF-β1 expression.

Main Methods:

  • The study likely involved molecular biology techniques to assess miRNA and gene expression.
  • In vitro and potentially in vivo models of osteosarcoma may have been used.
  • Statistical analyses were performed to determine the significance of findings.

Main Results:

  • MicroRNA-1269a was found to be upregulated in osteosarcoma tissues.
  • Overexpression of microRNA-1269a promoted osteosarcoma cell proliferation and migration.
  • MicroRNA-1269a directly targeted and inhibited the expression of TGF-β1.

Conclusions:

  • MicroRNA-1269a acts as an oncogene in osteosarcoma.
  • The inhibition of TGF-β1 by microRNA-1269a contributes to osteosarcoma progression.
  • Targeting microRNA-1269a may represent a potential therapeutic strategy for osteosarcoma.

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