Inflammatory cytokine network and activated immune cells

The inflammatory cytokine network and activated immune cells represent a complex, integrated system of signaling proteins and cellular effectors that coordinate the body's response to injury and infection. This network includes various cytokines such as tumor necrosis factor (TNF), interleukins (e.g., IL-1, IL-6, IL-17), and interferons, which are produced by activated immune cells like macrophages, T-lymphocytes, and B-lymphocytes [1][2]. While essential for host defense, dysregulation of this network leads to chronic inflammatory and autoimmune diseases, such as rheumatoid arthritis, psoriasis, and inflammatory bowel disease [3]. Therapeutic intervention typically involves targeting specific nodes within this network, such as individual cytokines or their receptors, rather than the entire system simultaneously [4]. Consequently, while this network is the focus of many anti-inflammatory therapies, it does not constitute a single molecular target in the traditional pharmacological sense [5].

Other names

Cytokine cascadeImmune system activationInflammatory milieuCytokine stormInflammatory signaling network

Drugs modulate this network by neutralizing specific pro-inflammatory cytokines, blocking their respective receptors, or inhibiting intracellular signaling pathways (e.g., JAK/STAT) that mediate cytokine production and response.