Host pro-inflammatory and anti-inflammatory cytokine pathways

Host pro-inflammatory and anti-inflammatory cytokine pathways represent the intricate regulatory network of signaling proteins that coordinate the immune system's response to injury and infection. Pro-inflammatory cytokines, including Tumor Necrosis Factor-alpha (TNF-a), Interleukin-1 (IL-1), and Interleukin-6 (IL-6), initiate and amplify the inflammatory cascade to eliminate pathogens, while anti-inflammatory cytokines like Interleukin-10 (IL-10) and Transforming Growth Factor-beta (TGF-b) act to resolve inflammation and maintain tissue homeostasis (PMID: 11121318). An imbalance in these pathways, often characterized by a 'cytokine storm' or chronic low-grade inflammation, is a hallmark of various pathologies such as rheumatoid arthritis, inflammatory bowel disease, and sepsis (PMID: 32730292). Pharmacological intervention typically targets specific nodes within this network, using monoclonal antibodies to sequester cytokines or small molecule inhibitors to disrupt signal transduction (PMID: 21248125). While highly effective in treating autoimmune and inflammatory conditions, modulating these pathways carries significant risks, primarily related to impaired host defense and increased susceptibility to opportunistic infections (PMID: 29403032). This entry is classified as incorrect as a single therapeutic target because it encompasses a broad set of distinct molecular entities and signaling cascades rather than a specific protein or receptor.

Other names

Cytokine networkInflammatory signaling pathwaysCytokine signalingImmune system mediatorsCytokine cascade

Modulation of the inflammatory response through the neutralization of specific pro-inflammatory cytokines, blockade of their respective receptors, or inhibition of downstream intracellular signaling cascades such as the JAK/STAT or NF-kB pathways.