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FOXP2 inhibits the aggressiveness of lung cancer cells by blocking TGFβ signaling

Wenya Su1, Song Hu1, Lin Zhou1

  • 1Department of Respiratory and Critical Care Medicine, Changzhou First People's Hospital, Changzhou, Jiangsu 213000, P.R. China.

Oncology Letters
|April 8, 2024
PubMed

Insights

Forkhead box P2 (FOXP2) acts as an antitumor gene in lung cancer, suppressing cell proliferation and migration. Inactivating TGF-beta signaling is key to FOXP2

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Lung cancer presents significant morbidity and mortality.
  • Forkhead box P2 (FOXP2) exhibits antitumor properties in several cancers.
  • The specific role of FOXP2 in lung cancer pathogenesis requires further investigation.

Purpose of the Study:

  • To investigate the function of FOXP2 in lung cancer.
  • To determine the impact of FOXP2 on lung cancer cell behavior.
  • To elucidate the molecular mechanisms underlying FOXP2's role in lung cancer.

Main Methods:

  • Quantitative reverse transcription PCR (RT-qPCR) for mRNA levels.
  • Western blotting for protein expression analysis.
  • Cell Counting Kit-8 (CCK-8), Transwell, and TUNEL assays for functional assessments.

Main Results:

  • FOXP2 expression was found to be downregulated in lung cancer tissues.
  • Overexpression of FOXP2 inhibited lung cancer cell proliferation, migration, and invasion.
  • FOXP2 promoted apoptosis in lung cancer cells and inactivated TGF-beta signaling.

Conclusions:

  • FOXP2 functions as a tumor suppressor gene in lung cancer.
  • FOXP2 mitigates malignant behaviors in lung cancer by inhibiting TGF-beta signaling.
  • Targeting FOXP2 or TGF-beta signaling may offer therapeutic strategies for lung cancer.
Keywords:
TGFβapoptosisforkhead box P2lung cancersignaling

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