Pro-inflammatory cytokine production pathways in skin cells

Pro-inflammatory cytokine production pathways in skin cells, primarily involving keratinocytes and fibroblasts, constitute a complex network of signaling cascades that drive chronic cutaneous inflammation. These pathways are triggered by environmental stressors, pathogens, or tissue damage, leading to the activation of intracellular signaling molecules such as Janus kinases (JAKs) and transcription factors like NF-kappaB and STAT proteins. Once activated, skin cells secrete a variety of cytokines and chemokines, including TNF-alpha, IL-1, IL-17, and IL-23, which recruit and activate immune cells, creating a self-amplifying loop of inflammation and epidermal hyperplasia. This dysregulated production is central to the pathogenesis of major skin disorders such as psoriasis and atopic dermatitis. Therapeutic strategies aim to interrupt these pathways using monoclonal antibodies to neutralize specific cytokines or small molecules to inhibit key signaling enzymes. While highly effective, these interventions can lead to systemic immunosuppression and require careful monitoring for infectious complications.

Other names

Skin inflammatory signaling pathwaysKeratinocyte cytokine production pathwaysCutaneous inflammatory cascadeCytokine signaling in skin cells

Neutralization of pro-inflammatory cytokines (e.g., TNF-alpha, IL-17, IL-23, IL-4, IL-13), blockade of cytokine receptors (e.g., IL-4Ra, IL-1R, IL-36R), or inhibition of intracellular signaling enzymes (e.g., Janus kinases, phosphodiesterase-4) to suppress the production and signaling of inflammatory mediators in skin cells.