Effect of psoriasis activity and topical treatment on plasma epidermal growth factor (EGF) and its soluble receptor (sEGFR).

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Effect of psoriasis activity and topical treatment on plasma epidermal growth factor (EGF) and its soluble receptor (sEGFR).

J Dermatolog Treat. 2017 Jun 16;:1-17

Authors: Szterling-Jaworowska M, Baran A, Myśliwiec H, Flisiak I

Abstract
BACKGROUND: Pathogenesis of psoriasis involves epidermal growth factor (EGF) which participates in keratinocyte proliferation, angiogenesis and cell differentiation through binding to soluble epidermal growth factor receptor (sEGFR). It is synthesised by, among others, keratinocytes, especially within psoriatic skin.
OBJECTIVE: To evaluate EGF and sEGFR plasma concentrations during topical psoriatic treatment.
METHODS: Blood samples were collected from 51 patients with plaque psoriasis. EGF and sEGFR plasma concentrations were examined with immunoenzymatic method prior and 14 days after topical treatment. The outcomes were analysed with respect to PASI.
RESULTS: Mean EGF concentration was higher in the plasma of psoriatic patients compared to the control group (p = 0.401) while mean sEGFR concentration was over two-fold lower compared to the control group (p < 0.001). After the therapy, an insignificant decrease in EGF plasma concentration (p = 0.835) and a significant increase in sEGFR concentration (p = 0.017) compared to initial values were observed. The coefficient of EGF/sEGFR concentration calculated for each individual had similar values before and after the treatment (p = 0.009), both of which were significantly higher compared to control group (respectively p < 0.001, p < 0.008).
CONCLUSION: Epidermal growth factor and its soluble receptor may be a useful markers in monitoring clinical course of psoriasis and the effectiveness of therapy.

PMID: 28621164 [PubMed - as supplied by publisher]

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