Other pro-inflammatory cytokines

Other pro-inflammatory cytokines refers to a broad and heterogeneous group of signaling proteins—excluding the primary mediators like Tumor Necrosis Factor (TNF), Interleukin-1 (IL-1), and Interleukin-6 (IL-6)—that are essential for initiating and sustaining inflammatory responses [StatPearls, NBK545239]. This category encompasses molecules such as IL-12, IL-17, IL-18, and IL-23, which are produced primarily by activated immune cells like macrophages, dendritic cells, and T-helper cell subsets [Nature Reviews Immunology, 2008]. These cytokines facilitate cell-to-cell communication by binding to specific cell-surface receptors, thereby triggering intracellular signaling cascades (e.g., the JAK-STAT pathway) that regulate the recruitment and activation of immune effectors [PubMed, 21879387]. In pathological states, the overproduction of these cytokines drives chronic inflammation and tissue damage in conditions such as psoriasis, ankylosing spondylitis, and Crohn's disease [NEJM, 2011]. Pharmacological intervention typically involves monoclonal antibodies that neutralize the cytokine or block its receptor, interrupting the inflammatory cycle and providing significant clinical benefit in autoimmune disorders [FDA, Drug Labels]. However, because these cytokines are vital for host defense, their therapeutic inhibition is associated with an increased risk of opportunistic infections and requires careful clinical management [NIH, PMC7151643].

Other names

Pro-inflammatory cytokinesInflammatory cytokinesInflammatory mediatorsPro-inflammatory signaling proteins

Monoclonal antibodies or decoy receptors bind to and neutralize specific cytokines or their receptors, preventing the activation of downstream signaling pathways such as the JAK-STAT cascade, which in turn reduces the expression of inflammatory genes [Nature Reviews Immunology, 2008; PubMed, 21879387].