Lymphocyte-Specific Protein Dynamics in Immune Cell Function
Summary
Lymphocytes rely on precisely regulated protein dynamics to execute immune surveillance, activation and effector functions. Central to this regulation are post-translational modifications, conformational changes and transient assembly of multi-protein complexes that govern signal transduction through receptors such as the T-cell receptor, B-cell receptor and co-receptors including CD4 and CD8. Phosphorylation events on kinases, phosphatases and adapter proteins dictate the amplitude and duration of signalling cascades, thereby influencing lymphocyte development, differentiation and memory formation. Proteins exist in multiple proteoforms that reflect distinct functional states, spatial localization and interaction networks. Dynamic modulation of protein expression, stability and trafficking underpins lymphocyte responses to antigen, cytokine stimulation and environmental stress, with direct relevance to vaccine efficacy, autoimmunity and cancer immunotherapy.
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Lymphocyte-Specific Protein Dynamics in Immune Cell Function publication trend
The graph below shows the total number of articles in lymphocyte-specific protein dynamics in immune cell function across all publications each year (not limited to Nature Index journals).
Technical terms
Proteoform: A specific molecular variant of a protein arising from post-translational modifications or alternative splicing.
Phosphorylation: The covalent addition of a phosphate group to amino acid residues in proteins, controlling enzymatic activity, protein interactions and cellular localisation.
Adapter protein: A non-enzymatic molecule that organises or links enzymes and receptors into functional signalling complexes.
LPAP: Lymphocyte phosphatase-associated phosphoprotein, a small transmembrane adapter in T, B and NK cells that associates with CD45 to regulate phosphatase-dependent signalling.
Schlafen proteins: A gene family encoding proteins that modulate lymphocyte development, proliferation and intrinsic antiviral responses.
Transcortin-like protein: An intracellular cortisol-binding globulin homolog found in lymphocyte cytosol, indicative of cell-autonomous steroid regulation.
Innate immunity: The non-specific, immediate defence mechanism encompassing barrier functions, phagocytosis and pattern-recognition receptor signalling.
References
- Lymphocyte phosphatase‐associated phosphoprotein proteoforms analyzed using monoclonal antibodies. Clinical & Translational Immunology (2015).
- Schlafens Can Put Viruses to Sleep. Viruses (2022).
- Identification and Partial Purification of “Transcortin”-like Protein within Human Lymphocytes. Journal of Biological Chemistry (1973).
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