Related Experiment Video

Updated: Jun 15, 2025

Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells
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Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells

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Neuregulin 4: A Key Regulator in Suppressing Lung Adenocarcinoma Progression

Shufan Zhang1, Tianhan Xu1, Simeng Li1

  • 1Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Nanjing Medical University, Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou 213000, P. R. C.

Technology in Cancer Research & Treatment
|May 23, 2025
PubMed
Abstract

Insights

Neuregulin 4 (NRG4) inhibits lung adenocarcinoma progression by reducing cell migration and epithelial-mesenchymal transition (EMT). Higher NRG4 expression correlates with improved survival and lower extracellular matrix levels in patients.

Area of Science:

  • Oncology
  • Molecular Biology

Background:

  • Lung adenocarcinoma is a major health issue requiring new treatments.
  • Neuregulin 4 (NRG4) has known metabolic and anti-inflammatory roles, but its function in lung adenocarcinoma is unclear.

Purpose of the Study:

  • To investigate the role of NRG4 in lung adenocarcinoma progression.
  • To determine the correlation between NRG4 expression, EMT, and patient survival.

Main Methods:

  • Utilized The Cancer Genome Atlas (TCGA) database for correlational analysis.
  • Performed in vitro (cell assays) and in vivo (mouse model) experiments with recombinant NRG4 (rNRG4).
  • Conducted RNA sequencing to elucidate functional mechanisms.

Main Results:

  • NRG4 expression inversely correlates with EMT and cell migration markers in lung adenocarcinoma.
  • rNRG4 treatment inhibited proliferation, migration, EMT, and tumor growth.
  • NRG4 was found to downregulate extracellular matrix (ECM) proteins, correlating with improved patient survival.

Conclusions:

  • NRG4 demonstrates anti-tumor effects in lung adenocarcinoma.
  • NRG4 represents a potential therapeutic target for lung adenocarcinoma.
  • NRG4's mechanism involves downregulating ECM proteins.
Keywords:
NRG4extracellular matrixlung adenocarcinoma

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