T-cell plasma membrane

The T-cell plasma membrane is the lipid bilayer that defines the outer boundary of T-lymphocytes and serves as the critical platform for immune recognition and signal transduction (Alberts et al., Molecular Biology of the Cell, 2002). It is densely populated with specialized proteins, including the T-cell receptor (TCR) complex, co-receptors such as CD4 and CD8, and various checkpoint molecules like PD-1 and CTLA-4, which collectively regulate the immune response (Janeway et al., Immunobiology, 2001). While the membrane itself is a cellular structure rather than a single molecular target, it is the primary site of action for a vast array of immunotherapies, including monoclonal antibodies and CAR-T cell therapies (June et al., Science, 2018). These therapies interact with specific membrane-bound antigens to either stimulate T-cell activity against pathogens and tumors or suppress it in the context of autoimmunity and organ transplantation. The spatial organization of the membrane, particularly the formation of the immunological synapse, is vital for effective communication between T-cells and antigen-presenting cells (Grakoui et al., Science, 1999).

Other names

T-lymphocyte membraneT-cell surfaceT-cell lipid bilayer

Modulation of T-cell activation through binding of surface receptors, inhibition of immune checkpoints, or induction of antibody-dependent cellular cytotoxicity (ADCC).