Pro-inflammatory pathways in human gingival keratinocytes

Pro-inflammatory pathways in human gingival keratinocytes (HGKs) represent the complex signaling networks, such as the NF-kappaB and MAPK cascades, that mediate the oral epithelial response to bacterial pathogens like Porphyromonas gingivalis (Yoshioka et al., 2008, PMID: 18435973). These pathways are typically initiated when Toll-like receptors (TLRs), specifically TLR2 and TLR4, detect microbial components, leading to the nuclear translocation of transcription factors (Uehara et al., 2002, PMID: 12117491). This process results in the elevated production of pro-inflammatory cytokines, including IL-1beta, IL-6, and IL-8, which are critical mediators of the host immune response in the gingiva (Becerik et al., 2011, PMID: 21291396). Chronic activation of these pathways is a primary driver of periodontal disease progression, characterized by tissue degradation and alveolar bone loss. Therapeutic approaches often involve the use of anti-inflammatory agents or specialized pro-resolving mediators to dampen these signaling cascades and prevent collateral tissue damage. While not a single molecular target, these pathways contain numerous druggable nodes essential for managing oral inflammatory conditions.

Other names

Gingival inflammatory signalingOral epithelial pro-inflammatory cascadesKeratinocyte inflammatory pathwaysGingival innate immune response pathways

Modulation of intracellular signaling cascades, including the inhibition of NF-kappaB translocation and MAPK phosphorylation, to reduce the expression of pro-inflammatory cytokines and matrix metalloproteinases.