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Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis

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Eph/ephrin-mediated immune modulation: a potential therapeutic target.

Konstantinos Giannopoulos¹, Ioannis Karikis¹, Chad Byrd²

¹National and Kapodistrian University of Athens School of Medicine, Athens, Greece.

Frontiers in Immunology

|May 7, 2025

Summary

Eph/ephrin signaling dysregulation drives skin cancer invasion and metastasis by affecting cell adhesion and immune evasion. Targeting this pathway may inhibit tumor spread and improve treatment outcomes.

Keywords:

Eph/ephrin receptor system basal cell carcinoma melanoma skin cancer skin cancer therapy squamous cell carcinoma

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Area of Science:

Cell biology
Oncology
Immunology

Background:

Eph/ephrin signaling is crucial for biological processes like cell migration and adhesion.
Its dysregulation is linked to various cancers, particularly promoting skin cancer invasion and metastasis.
Aberrant Eph/ephrin expression affects cell motility, adhesion, angiogenesis, and the tumor microenvironment.

Purpose of the Study:

To investigate the role of Eph/ephrin signaling in skin cancer progression.
To explore the impact of Eph/ephrin signaling on the tumor microenvironment and immune cell infiltration.
To evaluate the therapeutic potential of targeting Eph/ephrin signaling in skin cancer metastasis.

Main Methods:

Analysis of Eph/ephrin expression in skin cancer models.
Investigation of Eph/ephrin signaling's effect on cell migration, adhesion, and angiogenesis.
Assessment of Eph/ephrin signaling's influence on T-cell activation and immune cell infiltration within the tumor microenvironment.

Main Results:

Dysregulated Eph/ephrin signaling promotes tumor invasion and metastasis in skin cancers like squamous cell carcinoma, basal cell carcinoma, and melanoma.
Aberrant expression leads to increased cell motility, reduced adhesion, and enhanced angiogenesis.
Eph/ephrin signaling modulates immune cell infiltration, potentially impairing immune surveillance and promoting immune evasion through T-cell inhibition.

Conclusions:

Eph/ephrin signaling plays a significant role in skin cancer progression, invasion, and metastasis.
Targeting Eph/ephrin signaling presents a promising therapeutic strategy to inhibit tumor spread and immune evasion.
Interfering with Eph/ephrin pathways could enhance therapeutic outcomes for skin cancer patients.