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Case Control Study
©Author(s) (or their employer(s)) 2026.
World J Psychiatry. Mar 19, 2026; 16(3): 115163
Published online Mar 19, 2026. doi: 10.5498/wjp.v16.i3.115163
Figure 1
Figure 1 Interleukin-8 [chemokine (C-X-C motif) ligand 8] inflammatory pathway in schizophrenia. This diagram illustrates the inflammatory mechanism of interleukin (IL)-8 in schizophrenia pathophysiology. Activation factors (lipopolysaccharide, tumor necrosis factor-alpha, IL-1) stimulate macrophages and microglia to produce IL-8 [chemokine (C-X-C motif) ligand 8], which recruits neutrophils to inflammatory sites. These activated neutrophils release inflammatory mediators including reactive oxygen species and proteases, contributing to neuroinflammation and schizophrenia symptoms. This pathway highlights the role of IL-8 as a key chemokine linking innate immune responses to neuropsychiatric manifestations in schizophrenia. CXCL8: Chemokine (C-X-C motif) ligand 8; IL: Interleukin-8; LPS: Lipopolysaccharide; ROS: Reactive oxygen species; TNF-α: Tumor necrosis factor-alpha.


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