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Surface immunoglobulin and the lymphocyte cytoskeleton.
Federation Proceedings
|May 15, 1983
Summary
Surface immunoglobulin on B lymphocytes interacts with the cell cytoskeleton. This interaction influences lymphocyte functions like membrane reorganization and endocytosis, studied using detergent fractionation.
Area of Science:
- Immunology
- Cell Biology
- Biochemistry
Background:
- B lymphocytes utilize surface immunoglobulin (sIg) as a key receptor.
- sIg mediates crucial cellular processes including membrane dynamics and signaling.
- The interaction between sIg and the cytoskeleton is vital for lymphocyte function.
Purpose of the Study:
- To investigate the ligand-dependent interaction between surface immunoglobulin and the B cell cytoskeleton.
- To understand how this interaction influences lymphocyte physiology.
- To characterize the features of the sIg-cytoskeleton association.
Main Methods:
- Employing a detergent fractionation technique.
- Analyzing the association of surface immunoglobulin with cytoskeletal components.
- Probing the functional consequences of this interaction.
Main Results:
- Demonstrated a direct association between surface immunoglobulin and the cell cytoskeleton.
- Showcased the role of this interaction in mediating membrane reorganization.
- Highlighted the involvement in chemotaxis and receptor-ligand endocytosis.
Conclusions:
- The surface immunoglobulin-cytoskeleton interaction is a fundamental mechanism in B lymphocyte physiology.
- Detergent fractionation is an effective method for studying these receptor-cytoskeleton dynamics.
- This interaction underpins key cellular responses of B lymphocytes.