UBXD8 promotes lung cancer progression and activates the HIF-1α pathway

  • 0Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao, China.

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Summary

This summary is machine-generated.

UBXD8 protein promotes non-small cell lung cancer (NSCLC) growth and spread by stabilizing hypoxia-inducible factor 1-alpha (HIF-1α). Reducing UBXD8 levels inhibits tumor progression and impacts lipid metabolism.

Area Of Science

  • Oncology
  • Molecular Biology
  • Biochemistry

Background

  • UBXD8 (ubiquitin regulatory X domain-containing protein 8) is upregulated in advanced cancers.
  • High UBXD8 expression correlates with poor patient survival rates.

Purpose Of The Study

  • To investigate the role of UBXD8 in non-small cell lung cancer (NSCLC) progression.
  • To elucidate the molecular mechanisms underlying UBXD8's function in cancer.

Main Methods

  • Knockdown of UBXD8 in NSCLC cell lines and xenograft models.
  • Analysis of cell proliferation, migration, and tumor growth.
  • Investigation of hypoxia-inducible factor (HIF) signaling pathways.
  • Metabolic analysis focusing on lipid profiles.

Main Results

  • UBXD8 knockdown significantly reduced NSCLC cell proliferation and migration in vitro.
  • Tumor growth was suppressed in xenograft models lacking UBXD8.
  • UBXD8 was identified as a positive regulator of HIF-1α protein stabilization and expression.
  • Absence of UBXD8 led to increased levels of unsaturated fatty acids, indicating a role in lipid metabolism.

Conclusions

  • UBXD8 plays a critical role in NSCLC development and progression.
  • UBXD8 influences tumor growth through modulation of HIF-1α signaling.
  • UBXD8 is involved in regulating cellular lipid metabolism.

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