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A model for the initial phase of cell/surface interactions based on ligand binding phenomena
J Hubble1, R Eisenthal, W J Whish
1School of Chemical Engineering, University of Bath, U.K.
The Biochemical Journal
|November 1, 1995
Summary
Researchers propose a new mechanism explaining how ligand/receptor binding controls cell adhesion during inflammation. This model clarifies the critical
Area of Science:
- Cell Biology
- Biophysics
- Immunology
Background:
- Mammalian cell interaction with solid surfaces is crucial in biological processes.
- Cell migration to blood vessel walls during tissue damage is clinically significant, potentially causing inflammation.
- Existing knowledge lacks a clear mechanism for controlling the initial 'rolling' adhesion stage of cell migration.
Purpose of the Study:
- To propose a plausible mechanism for controlling the critical 'rolling' stages of cell adhesion.
- To explain the switch between cell suspension and surface attachment using ligand/receptor binding.
- To provide a foundational understanding for modulating cell-surface interactions.
Main Methods:
- Theoretical modeling of ligand/receptor binding interactions.
- Analysis of biophysical forces governing cell adhesion.
- Simulation of cell population dynamics in response to surface interactions.
Main Results:
- A model demonstrating how ligand/receptor binding dynamics can dictate cell adhesion.
- Explanation of the transition from free suspension to surface attachment.
- Identification of binding parameters critical for controlling the rolling adhesion phase.
Conclusions:
- Ligand/receptor binding interactions provide a mechanism to control cell rolling adhesion.
- This mechanism explains the switch between suspended and adhered cell populations.
- Understanding this process can inform strategies for managing inflammatory responses.