Circular RNA circNASP modulates the malignant behaviors in osteosarcoma via miR-1253/FOXF1 pathway

Lipeng Huang1, Mangmang Chen1, Jun Pan2

  • 1Department of Orthopaedic Surgery, Wenzhou Central Hospital, The DingLi Clinical Institute of Wenzhou Medical University, Wenzhou 325000, PR China.

Insights

Circular RNAs (circRNAs) are key in cancer. This study reveals circNASP promotes osteosarcoma (OS) growth and spread by sponging miR-1253, increasing FOXF1 expression, suggesting a new therapeutic target.

Area of Science:

  • Molecular Biology
  • Oncology
  • Genetics

Background:

  • Circular RNAs (circRNAs) are increasingly recognized as crucial regulators in human diseases, particularly cancer.
  • Research into circRNA function in osteosarcoma (OS) is a developing field.

Purpose of the Study:

  • To investigate the role of a novel circRNA, circNASP, in osteosarcoma.
  • To elucidate the underlying molecular mechanism of circNASP in OS progression.

Main Methods:

  • Screening and quantification of circNASP expression in OS tissues.
  • Functional assays including circNASP knockdown and rescue experiments.
  • Mechanism investigation involving miRNA sponging and target gene analysis (miR-1253 and FOXF1).

Main Results:

  • circNASP was significantly upregulated in OS tissues and correlated with tumor size and metastasis.
  • circNASP knockdown inhibited OS cell proliferation, cell cycle progression, and invasion.
  • circNASP functions as a miR-1253 sponge, upregulating FOXF1 expression.

Conclusions:

  • circNASP promotes malignant behaviors in osteosarcoma cells via the circNASP/miR-1253/FOXF1 pathway.
  • The circNASP/miR-1253/FOXF1 axis represents a potential therapeutic target for osteosarcoma.

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