Inflammatory cytokine production in human epithelial cells

Inflammatory cytokine production in human epithelial cells is a complex biological process rather than a single molecular target. Epithelial cells, which line the respiratory, gastrointestinal, and urogenital tracts, serve as critical sentinels of the innate immune system by sensing environmental triggers through pattern recognition receptors (Holgate, 2012, Nature Reviews Drug Discovery). Upon activation, these cells initiate signaling cascades—most notably the NF-kappaB and MAPK pathways—that lead to the transcription and secretion of pro-inflammatory mediators such as IL-1, IL-6, IL-8, and TNF-alpha (Liu et al., 2017, Signal Transduction and Targeted Therapy). This process is central to the pathogenesis of chronic inflammatory conditions like asthma, COPD, and inflammatory bowel disease, where epithelial-derived cytokines drive persistent leukocyte recruitment and tissue remodeling (Akdis et al., 2016, Journal of Allergy and Clinical Immunology). Because this is a multi-step biological outcome involving numerous proteins, therapeutic intervention typically focuses on specific molecular components within the pathway, such as Janus kinases or specific cytokine receptors, rather than the process as a whole (Newton & Holden, 2007, Drug Discovery Today).

Other names

Epithelial cytokine secretionEpithelial inflammatory responsePro-inflammatory mediator release from epithelial cellsEpithelial-derived cytokine production

Inhibition of intracellular signaling pathways (e.g., NF-kappaB, JAK/STAT, MAPK) or direct neutralization of secreted cytokines to reduce the overall inflammatory output of epithelial cells.