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Adhesion molecules in cell interactions

N Hogg¹, R C Landis

¹Imperial Cancer Research Fund, London, UK.

Current Opinion in Immunology

|June 1, 1993

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Adhesion molecules are crucial for immune responses, mediating leukocyte binding. Their function depends on cell type and microenvironment, not just expression, enabling specific immune cell actions like tissue migration.

Area of Science:

Immunology
Cell Biology
Biochemistry

Background:

Adhesion molecules facilitate leukocyte interactions during immune responses.
Leukocyte binding involves complex cascades with endothelium and epithelium.
Previous understanding focused on expression, but context is key.

Purpose of the Study:

To elucidate how adhesion receptor function is determined by context.
To understand the role of cell-background and microenvironment in immune cell adhesion.
To explore how adhesion dynamics mediate leukocyte effector functions.

Main Methods:

Analysis of recent studies on adhesion molecule function.
Investigating the concept of 'activation-readiness' in adhesion receptors.

Related Experiment Videos

Examining the influence of microenvironmental factors on adhesion dynamics.

Main Results:

Adhesion receptor function is context-dependent, not solely based on expression.
Cell-background and microenvironment dictate specific effector functions.
Adhesion receptors are selected for distinct roles like homing and migration.

Conclusions:

Adhesion molecule function is dynamically regulated by cellular context and microenvironment.
Understanding these dynamics is critical for deciphering immune cell behavior.
This provides a framework for targeting adhesion in immune therapies.