期刊
DERMATOLOGY
卷 232, 期 5, 页码 592-596出版社
KARGER
DOI: 10.1159/000448090
关键词
Interleukin-17; Polymorphism; Psoriasis; Narrow-band ultraviolet B
类别
Background: Recent studies have revealed the pivotal role of Th17 cells and interleukin-17 (IL-17) in plaque psoriasis development and treatment outcome. The IL-17 family consists of 6 structurally related cytokines (IL-17A, IL-17B, IL-17C, IL-17D, IL-17E, IL-17F), of which IL-17A and IL-17F mediate similar biological effects. Objectives: The aim of this study was to evaluate an association between the IL 17A (-197G>A; rs2275913) and IL17F (rs763780: T>C; rs11465553: G>A; rs2397084:T>C) polymorphisms with psoriasis susceptibility as well as response to topical and combined topical with narrow-band ultraviolet B (NB-UVB) therapy in a Polish population. Methods: Association study involving 407 psoriasis patients and 205 healthy controls. Treatment efficacy was analyzed in 207 patients with mild psoriasis (Psoriasis Area and Severity Index; PASI 3-12) and moderate psoriasis (PASI 12-18), who were randomly subjected to topical or combined topical and NB-UVB treatment. The polymorphisms were evaluated by RT-PCR. Results: No statistically significant differences between psoriasis patients and controls were found in the frequency of the evaluated IL and IL17F genotypes and haplotypes. The IL17A or IL17F polymorphisms were not associated with treatment outcome measures: efficacy of treatment at the eighth week of the study and PASI change after topical or combined topical and NB-UVB therapy. However, IL17F rs2397084 variant allele C carriers required a significantly higher number of NB-UVB irradiations in comparison to TT homozygotes (15.5 +/- 11.4 vs. 11.1 +/- 11.9, p = 0.047) to produce a positive clinical response. Conclusion: It can be stated that the IL17A and IL17F polymorphisms are not markers of susceptibility to psoriasis. However, the IL17F polymorphism may affect the response to NB-UVB therapy. (C) 2016 S. Karger AG, Basel
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