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LINC00518 Interference Inhibits Non-Small Cell Lung Cancer by Upregulating miR216b-5p Expression

Yuanyuan Ren1,2, Huadong Zhu3, Song Han4

  • 1Department of Oncology, People's Hospital of Taizhou, Taizhou, Jiangsu Province 225300, China.

Cancer Management and Research
|November 11, 2020
PubMed
Abstract

Insights

Interfering with LINC00518 inhibits non-small cell lung cancer (NSCLC) progression by affecting cell proliferation and metastasis. This effect is partly reversed by reducing miR216b-5p levels.

Area of Science:

  • Oncology
  • Molecular Biology
  • Gene Regulation

Background:

  • Non-small cell lung cancer (NSCLC) remains a significant health challenge with limited effective treatments.
  • Understanding the molecular mechanisms driving NSCLC progression is crucial for developing novel therapeutic strategies.

Purpose of the Study:

  • To investigate the functional roles of LINC00518 and miR216b-5p in NSCLC.
  • To elucidate the regulatory relationship between LINC00518 and miR216b-5p in NSCLC cells.

Main Methods:

  • Quantitative real-time PCR (RT-qPCR) to assess gene expression.
  • Cellular assays including CCK8, clone formation, wound healing, and Transwell assays to evaluate proliferation, migration, and invasion.
  • Western blot analysis for protein expression.
  • In vivo xenograft models in nude mice.

Main Results:

  • LINC00518 was upregulated, while miR216b-5p was downregulated in NSCLC cell lines.
  • LINC00518 interference suppressed NSCLC cell proliferation, migration, invasion, and tumor growth in vivo.
  • LINC00518 directly targets miR216b-5p.
  • Downregulation of miR216b-5p partially reversed the inhibitory effects of LINC00518 interference.

Conclusions:

  • LINC00518 interference demonstrates therapeutic potential for NSCLC.
  • The LINC00518/miR216b-5p axis plays a critical role in NSCLC progression.
Keywords:
LINC00518invasion and migrationmiR216b-5pnon–small cell lung cancerproliferation

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