Distinct immune inflammatory markers and proteomic signatures underlying psoriasis with pruritus. Download PDF Abstract Pruritus is a common and burdensome symptom in patients with psoriasis, yet its underlying systemic mechanisms are not sufficiently defined. To characterize systemic immune-inflammatory profiles and serum proteomic differences associated with pruritus in patients with psoriasis and identify potential biomarkers linked to pruritus.
Serum immune-inflammatory markers from 267 psoriasis patients were analyzed. Proteomic profiling was performed by mass spectrometry in pruritic psoriasis ( n = 8), non-pruritic psoriasis ( n = 5), and healthy controls ( n = 3). Pruritic psoriasis patients tended to be younger with shorter disease duration, while other clinical characteristics were comparable.
Total IgE tended to be higher in pruritic psoriasis, particularly in moderate-to-severe cases. The eosinophil-to-lymphocyte ratio (ELR) was significantly elevated in pruritic psoriasis, whereas other inflammatory indices did not differ. Proteomic analysis revealed distinct clustering of pruritic psoriasis from non-pruritic psoriasis and healthy controls, with enrichment of complement activation, coagulation, and fibrinolysis.
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