LncRNA SNHG4 Modulates EMT Signal and Antitumor Effects in Endometrial Cancer through Transcription Factor SP-1

Lee Kyung Kim1, Sun-Ae Park1, Eun Ji Nam2

  • 1Laboratory of Pharmacoimmunology, Integrated Research Institute of Pharmaceutical Sciences and BK21 FOUR Team for Advanced Program for SmartPharma Leaders, College of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si 14662, Republic of Korea.

Biomedicines
|May 16, 2023
PubMed

Insights

The long non-coding RNA SNHG4 is elevated in endometrial cancer, driving tumor progression and reducing patient survival. Targeting SNHG4 shows promise for new endometrial cancer therapies.

Area of Science:

  • Molecular Oncology
  • Cancer Biology
  • Genetics

Background:

  • Long non-coding RNAs (lncRNAs) are increasingly recognized for their roles in various cancers.
  • The specific involvement and mechanisms of lncRNAs in endometrial cancer pathogenesis are not fully understood.
  • Endometrial cancer is a significant gynecological malignancy with a need for improved therapeutic targets.

Purpose of the Study:

  • To investigate the role of the lncRNA SNHG4 in endometrial cancer.
  • To elucidate the molecular mechanisms underlying SNHG4's function in endometrial cancer.
  • To evaluate SNHG4 as a potential biomarker for prognosis and therapy in endometrial cancer.

Main Methods:

  • Quantitative real-time PCR to assess SNHG4 expression levels in endometrial cancer tissues.
  • In vitro assays (proliferation, migration, invasion, cell cycle analysis) following SNHG4 knockdown.
  • In vivo tumor xenograft models to evaluate the effect of SNHG4 on tumor growth.
  • Investigation of the regulatory interaction between SNHG4 and the transcription factor SP-1.

Main Results:

  • SNHG4 expression is significantly upregulated in endometrial cancer tissues and correlates with poor patient survival.
  • Knockdown of SNHG4 suppressed endometrial cancer cell proliferation, migration, invasion, and tumor growth in vivo.
  • SNHG4 influences the cell cycle and its activity is regulated by the transcription factor SP-1.

Conclusions:

  • The lncRNA SNHG4 plays a critical role in promoting endometrial cancer progression.
  • The SNHG4/SP-1 axis is a key pathway involved in endometrial cancer development.
  • SNHG4 represents a promising therapeutic target and prognostic biomarker for endometrial cancer.

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