Protein-protein interfaces on target immune cells (null)

Protein-protein interfaces on target immune cells refer to the regions where cell-surface or secreted proteins of the immune system make direct, physical contact to mediate essential interactions[1][2][3]. These interfaces are central to cellular communication, immune cell activation, signal transduction, and immune regulation, especially in processes like immune checkpoint signaling (e.g., PD-1/PD-L1) and cytokine signaling[2][5]. Aberrant or dysregulated protein-protein interactions at such interfaces can drive immunological diseases and are increasingly considered for drug discovery, but the “interface” itself is not a discrete, druggable molecular target; rather, individual proteins or pairs (e.g., CD40/CD40L, PD-1/PD-L1) are targeted using antibodies or small molecules[2][5]. Targeting these interfaces involves blocking or modulating the interaction between specific proteins rather than the interface as a generic structure. Note: The provided term is not a standardized or specific therapeutic target; it is a biophysical concept central to immunology and drug development but lacks the specificity required for database mapping as a canonical target, receptor, or gene product. If you require information about a particular protein involved in immune cell interfaces (such as PD-1, PD-L1, CD40, etc.), please specify.

Other names

Protein-protein interaction interfacesImmune cell surface protein interfacesPPI interfaces on immune cells

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