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SPINT1-AS1 Drives Cervical Cancer Progression via Repressing miR-214 Biogenesis

Hongjuan Song1,2, Yuan Liu1, Hui Liang3

  • 1Department of Gynecology, Xuzhou Maternal and Child Health Care Hospital, Xuzhou, China.

Frontiers in Cell and Developmental Biology
|August 5, 2021
PubMed

Insights

Long non-coding RNA SPINT1-AS1 promotes cervical cancer by repressing miR-214 biogenesis and activating Wnt/β-catenin signaling. SPINT1-AS1 may serve as a prognostic biomarker and therapeutic target for cervical cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Non-coding RNAs (ncRNAs) play crucial roles in various cancers, but many remain uncharacterized.
  • Cervical cancer exhibits dysregulated ncRNA expression, necessitating further investigation into novel regulatory mechanisms.
  • Long non-coding RNA (lncRNA) SPINT1-AS1 is identified as a novel player in cervical cancer pathogenesis.

Purpose of the Study:

  • To identify and characterize novel lncRNAs involved in cervical cancer.
  • To elucidate the molecular mechanism by which SPINT1-AS1 influences cervical cancer progression.
  • To evaluate the potential of SPINT1-AS1 as a prognostic biomarker and therapeutic target.

Main Methods:

  • Identification of SPINT1-AS1 in cervical cancer tissues.
  • Investigation of the regulatory relationship between SPINT1-AS1, miR-214, and Wnt/β-catenin signaling pathway.
  • Functional assays including proliferation, migration, invasion, and tumorigenesis studies in vitro and in vivo.

Main Results:

  • SPINT1-AS1 expression is upregulated in cervical cancer and correlates with advanced stage and poor prognosis.
  • SPINT1-AS1 represses miR-214 biogenesis by interfering with the processing of its primary transcript (DNM3OS).
  • SPINT1-AS1 upregulates β-catenin by downregulating miR-214, thereby activating Wnt/β-catenin signaling and promoting cancer progression.

Conclusions:

  • SPINT1-AS1 acts as an oncogenic lncRNA in cervical cancer by inhibiting miR-214 and activating Wnt/β-catenin signaling.
  • SPINT1-AS1 demonstrates potential as a prognostic biomarker for cervical cancer patients.
  • Targeting SPINT1-AS1 offers a potential therapeutic strategy for cervical cancer treatment.
Keywords:
SPINT1-AS1Wnt/β-catenin signalingcervical cancermiR-214 biogenesisprogression

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