Pro-fibrotic and inflammatory cytokine pathways

Pro-fibrotic and inflammatory cytokine pathways represent a complex network of signaling cascades that drive chronic inflammation and the excessive deposition of extracellular matrix, leading to organ fibrosis (PMID: 22412181). Key components include cytokines such as Transforming Growth Factor-beta (TGF-beta), Interleukin-6 (IL-6), and Tumor Necrosis Factor-alpha (TNF-alpha), which activate downstream mediators like Smad proteins and the JAK/STAT pathway (PMID: 25833247). In pathological states, these pathways become dysregulated, resulting in persistent myofibroblast activation and tissue scarring in organs like the lungs, liver, and kidneys (PMID: 30107164). Therapeutic strategies often involve monoclonal antibodies or small molecule inhibitors designed to block specific cytokines or their receptors to halt disease progression (Source: PubMed). However, because these pathways are also essential for normal wound healing and immune surveillance, systemic inhibition can lead to significant safety concerns such as impaired healing and increased susceptibility to infections (PMID: 28615525).

Other names

Fibrotic signaling pathwaysInflammatory signaling cascadesCytokine-mediated fibrosisPro-fibrotic signalingInflammatory cytokine signaling

Inhibition of cytokine-receptor binding or downstream intracellular signaling to reduce myofibroblast activation and inflammatory cell infiltration (PMID: 30107164).