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Study of the role of transmembrane emp24 domain-containing protein 2 in oral squamous cell carcinoma

  • 0Ningde Hospital Affiliated to Ningde Normal University, Department of Stomatology, Fujian, China.
Journal of Applied Oral Science : Revista Fob +

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January 29, 2025

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January 29, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Transmembrane emp24 domain-containing protein 2 (TMED2) is upregulated in oral squamous cell carcinoma (OSCC), promoting cancer cell proliferation and inhibiting apoptosis. TMED2 may activate the ARF1/ERK signaling pathway in OSCC progression.

Area Of Science

  • Oncology
  • Molecular Biology
  • Cancer Research

Background

  • Oral squamous cell carcinoma (OSCC) is a prevalent malignancy with complex molecular underpinnings.
  • Identifying novel molecular targets is crucial for improving OSCC diagnosis and treatment.
  • The role of transmembrane emp24 domain-containing protein 2 (TMED2) in OSCC remains largely unexplored.

Purpose Of The Study

  • To investigate the expression and function of TMED2 in OSCC.
  • To elucidate the potential molecular mechanisms by which TMED2 influences OSCC progression.
  • To assess the prognostic value of TMED2 in OSCC patients.

Main Methods

  • Bioinformatic analysis of TMED2 expression in OSCC tissues and correlation with overall survival using the GEPIA2 database.
  • Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis to assess TMED2 expression in normal oral keratinocytes and OSCC cell lines.
  • Functional studies involving TMED2 knockdown and overexpression to evaluate effects on cell proliferation, apoptosis, and cell cycle progression.
  • Western blot analysis to examine the impact on ADP-ribosylation factor 1 (ARF1) and extracellular signal-regulated kinase (ERK) signaling pathway components.

Main Results

  • TMED2 expression was significantly higher in OSCC tissues compared to normal tissues.
  • Elevated TMED2 levels were observed in multiple human OSCC cell lines (SCC-4, HSC-3, CAL-27) relative to normal oral keratinocytes.
  • TMED2 knockdown in SCC-4 cells led to reduced cell proliferation, increased apoptosis, and cell cycle arrest at the G0/G1 phase.
  • TMED2 modulation affected the expression of ARF1 and phosphorylated ERK (p-ERK).

Conclusions

  • TMED2 plays a significant role in promoting OSCC cell proliferation and inhibiting apoptosis.
  • The findings suggest TMED2 may exert its oncogenic effects by activating the ARF1/ERK signaling pathway.
  • TMED2 represents a potential therapeutic target and prognostic biomarker for OSCC.

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