Correlated increases of tumour necrosis factor-α, interleukin-6 and granulocyte monocyte-colony stimulating factor levels in suction blister fluids and sera of psoriatic patients-relationships with disease severity

C. Bonifati, M. Carducci, P. Cordiali Fei, E. Trento, G. Sacerdoti, M. Fazio, F. Ameglio

Research output: Contribution to journalArticlepeer-review

Abstract

Tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6) and granulocyte monocyte-colony stimulating factor (GM-CSF) were measured in serum and involved and uninvolved skin blister fluids of 20 psoriatic patients and 10 healthy subjects, by enzyme immunoassay. TNF-α and IL-6 were always detectable in involved skin blister fluids, while GM-CSF was detected only in 45% of these samples. TNF-α, IL-6 and GM-CSF were detected in 95, 100 and 10% of uninvolved skin blister fluid samples, respectively. TNF-α and IL-6 were found in 50 and 30% of control blister fluids, while GM-CSF was never detected. In serum, TNF-α was detected in 75% of patients and in 70% of controls; IL-6 in 45% of patients and in no controls; and GM-CSF in 35% of patients and in 20% of the controls. The median TNF-α and IL-6 levels in involved skin were statistically higher than those of both uninvolved and control skin blister fluids. TNF-α and IL-6 levels in blister fluids obtained from both involved and uninvolved skin were higher than those of the patients' sera. GM-CSF, when present in involved skin blister fluids, showed correlated levels with the other cytokines (TNF-α: R = 0.85, P = 0.004; IL-6: R = 0.72, P = 0.03). TNF-α was highly correlated with IL-6 (R=0.78, P

Original languageEnglish
Pages (from-to)383-387
Number of pages5
JournalClinical and Experimental Dermatology
Volume19
Issue number5
DOIs
Publication statusPublished - 1994

ASJC Scopus subject areas

  • Dermatology

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