Immune cells – cellular level modulation via paracrine factors and cell–cell contact

Immune cells – cellular level modulation via paracrine factors and cell–cell contact refers to the complex regulatory network governing immune system activity through local signaling and direct physical interaction. Paracrine modulation involves the secretion of soluble mediators, such as cytokines (e.g., IL-2, TNF-alpha) and chemokines, which bind to receptors on neighboring cells to coordinate immune responses (Alberts et al., Molecular Biology of the Cell). Cell-cell contact modulation occurs through the direct binding of surface-expressed ligands and receptors, such as}

Other names

Immune modulationParacrine immune signalingCell-to-cell immune contactIntercellular immune communicationImmune checkpoint signaling

Regulation of immune cell activity through the secretion of soluble paracrine factors or direct physical interaction between cell-surface receptors and ligands.