Immune system via cytokine secretion

Immune system modulation via cytokine secretion is a complex physiological process involving the release of small signaling proteins that regulate immunity, inflammation, and hematopoiesis (Zhang & An, 2007, 'Cytokines, Inflammation, and Pain'). This entry does not represent a single molecular target but rather a broad biological mechanism where various cytokines—such as interleukins, interferons, and tumor necrosis factors—act as chemical messengers (NIH, 2023, 'National Institute of Allergy and Infectious Diseases'). These molecules bind to specific high-affinity receptors on target cells, initiating intracellular signaling cascades like the JAK-STAT pathway to alter gene expression (StatPearls, 2023, 'Physiology, Cytokines'). Dysregulation of cytokine secretion is a hallmark of autoimmune diseases, chronic inflammation, and cytokine release syndrome (PubMed, PMC3491448). Pharmacological intervention focuses on either inhibiting pro-inflammatory cytokines (e.g., TNF-alpha or IL-6) to treat inflammatory disorders or administering recombinant cytokines (e.g., Interferon-alpha) to enhance immune responses against viruses or tumors (Nature Reviews Drug Discovery, 2022).

Other names

Cytokine signaling pathwayCytokine-mediated immune responseImmune modulation via cytokinesCytokine production and release

Drugs modulate this process by neutralizing secreted cytokines, blocking their cognate receptors, or inhibiting intracellular signaling pathways (e.g., JAK inhibitors) to prevent the downstream effects of cytokine secretion (StatPearls, 2023, 'Cytokine Inhibitors').