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LINC00052 inhibits tumor growth, invasion and metastasis by repressing STAT3 in cervical carcinoma

J Lin1, L-L Nong, M-Q Li

  • 1Department of Pathology, Affiliated Hospital of Guilin Medical University, Guilin, China. 21742419@qq.com.

European Review for Medical and Pharmacological Sciences
|June 19, 2019
PubMed
Abstract

Insights

Long noncoding RNA LINC00052 acts as a tumor suppressor in cervical cancer by inhibiting cell invasion and metastasis through the STAT3 pathway. Lower LINC00052 levels correlate with reduced survival in cervical cancer patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Long noncoding RNAs (lncRNAs) play a significant role in tumor progression.
  • The specific function of lncRNA LINC00052 in cervical cancer development requires further investigation.

Purpose of the Study:

  • To explore the biological function of lncRNA LINC00052 in cervical cancer.
  • To investigate the underlying mechanism of LINC00052 in cervical cancer progression.

Main Methods:

  • Quantitative Real-time polymerase chain reaction (qRT-PCR) to detect LINC00052 expression in cervical cancer tissues and cell lines.
  • In vitro assays (proliferation, wound healing, transwell) to evaluate LINC00052 function.
  • Western blot to analyze the expression of signal transducers and activators of transcription 3 (STAT3).

Main Results:

  • LINC00052 expression was lower in cervical cancer tissues compared to adjacent tissues and correlated with disease-free survival.
  • Overexpression of LINC00052 inhibited cervical cancer cell proliferation, migration, and invasion in vitro.
  • LINC00052 overexpression downregulated both mRNA and protein expression of STAT3, with a negative correlation observed between LINC00052 and STAT3 levels in tumor tissues.

Conclusions:

  • LINC00052 suppresses cervical cancer cell metastasis and invasion by downregulating STAT3.
  • LINC00052 exhibits potential as a novel tumor suppressor in cervical cancer.

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