Inflammatory signaling pathways in host oral tissues

Inflammatory signaling pathways in host oral tissues represent the integrated molecular networks, such as the Nuclear Factor-kappa B (NF-κB), Mitogen-Activated Protein Kinase (MAPK), and Janus Kinase/Signal Transducer and Activator of Transcription (JAK/STAT) cascades, that coordinate the immune response within the oral cavity (PubMed: 30204378). These pathways are primarily activated by pathogen-associated molecular patterns (PAMPs) from dental biofilms, triggering resident cells like gingival fibroblasts and infiltrating leukocytes to release pro-inflammatory cytokines (PubMed: 28965315). In chronic conditions like periodontitis, persistent activation of these pathways leads to the pathological upregulation of matrix metalloproteinases (MMPs) and RANKL, which facilitate the destruction of the periodontal ligament and alveolar bone (PubMed: 27085934). Therapeutic interventions, often categorized as Host Modulation Therapy (HMT), aim to dampen this hyper-inflammatory response to prevent tissue loss (PubMed: 21627509). However, because these pathways are central to general immunity and tissue homeostasis, pharmacological targeting requires a precise balance to avoid compromising the host's ability to manage local infections or repair damaged mucosa (PubMed: 31434129).

Other names

Oral inflammatory signalingPeriodontal host response pathwaysOral mucosal inflammatory cascadesHost-mediated inflammatory response in oral tissues

Modulation of intracellular signaling cascades (e.g., NF-κB, MAPK, JAK/STAT) and inhibition of pro-inflammatory cytokine activity or matrix-degrading enzymes to reduce host-mediated tissue destruction (PubMed: 33807365, PubMed: 21627509).