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Updated: Jun 15, 2025

Analysis of SCAP N-glycosylation and Trafficking in Human Cells
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Analysis of SCAP N-glycosylation and Trafficking in Human Cells

Published on: November 8, 2016

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Inhibition of STRA6 suppresses NSCLC growth via blocking STAT3/SREBP-1c axis-mediated lipogenesis

Yue Zhou1, Rong Zhou2, Ning Wang2

  • 1Department of Thoracic Surgery, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.

Molecular and Cellular Biochemistry
|August 21, 2024
PubMed

Insights

Stimulated by retinoic acid 6 (STRA6) drives non-small cell lung cancer (NSCLC) growth and metastasis by altering lipid metabolism. Targeting STRA6 may offer a new diagnostic biomarker and therapeutic strategy for NSCLC patients.

Area of Science:

  • Oncology
  • Metabolic research
  • Molecular biology

Background:

  • Lipid metabolism dysregulation is a hallmark of cancer.
  • Stimulated by retinoic acid 6 (STRA6), a vitamin A transporter, is implicated in cancer pathogenesis.
  • The role of STRA6 in non-small cell lung cancer (NSCLC) progression is not well understood.

Purpose of the Study:

  • To investigate the function of STRA6 in NSCLC progression.
  • To elucidate the underlying molecular mechanisms of STRA6 in NSCLC.
  • To evaluate STRA6 as a potential biomarker and therapeutic target for NSCLC.

Main Methods:

  • Analysis of STRA6 expression in NSCLC patient tissues.
  • In vitro studies using NSCLC cell lines (e.g., proliferation, migration, invasion assays).
  • In vivo studies using mouse models of NSCLC.
  • Investigation of the JAK2-STAT3 signaling pathway and SREBP-1 expression.

Main Results:

  • High STRA6 expression correlates with poor prognosis in NSCLC patients.
  • STRA6 knockdown inhibits NSCLC cell proliferation, migration, and invasion in vitro and tumor growth in vivo.
  • STRA6 activates the JAK2-STAT3 signaling pathway, leading to increased expression of its target gene, SREBP-1.
  • STRA6 promotes SREBP-1-mediated adipogenesis, supplying energy for NSCLC growth.

Conclusions:

  • A novel STRA6/STAT3/SREBP-1 regulatory axis promotes NSCLC metastasis by reprogramming lipid metabolism.
  • STRA6 represents a potential diagnostic biomarker for NSCLC.
  • STRA6 emerges as a promising therapeutic target for NSCLC treatment.
Keywords:
JAK2/STAT3 pathwayLipogenesisNSCLCSREBP-1cSTRA6

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