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Interleukin-31 expression and relation to disease severity in human asthma.


ABSTRACT: Interleukin 31 (IL-31) is a novel T helper type 2 effector cytokine that plays an important role in the pathogenesis of allergic diseases. However, its role in human asthma remains unclear. The aim of this study was to measure IL-31 levels in the serum, bronchoalveolar lavage fluid (BALF) and bronchial tissue of asthmatics and healthy subjects, and identify its possible correlation to disease severity. We quantified IL-31 levels in the serum of patients with asthma (n?=?44), as well as in controls (n?=?22). Of these subjects, 9 asthmatics and five controls underwent bronchoscopy with endobronchial biopsy and BALF collection. Our data showed that serum and BALF IL-31 levels were significantly elevated in patients with asthma compared with controls. Expressions of IL-31 and IL-31 receptor (IL-31RA and OSMR) were more prominent in the bronchial tissue in severe compared to mild asthma and controls. Serum IL-31 levels correlated positively with Th2 related cytokines (IL-5, IL-13, and TSLP), asthma severity or total serum immunoglobulin E (IgE), and inversely with asthma control and the forced expiratory volume in 1?second (FEV1). The current data may provide insight into the underlying pathogenesis of asthma, in which IL-31 has an important pathogenic role.

SUBMITTER: Lai T 

PROVIDER: S-EPMC4783779 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Interleukin-31 expression and relation to disease severity in human asthma.

Lai Tianwen T   Wu Dong D   Li Wen W   Chen Min M   Yi Zhennan Z   Huang Dan D   Jing Zhiliang Z   Lü Yingying Y   Lv Quanchao Q   Li Dongming D   Wu Bin B  

Scientific reports 20160309


Interleukin 31 (IL-31) is a novel T helper type 2 effector cytokine that plays an important role in the pathogenesis of allergic diseases. However, its role in human asthma remains unclear. The aim of this study was to measure IL-31 levels in the serum, bronchoalveolar lavage fluid (BALF) and bronchial tissue of asthmatics and healthy subjects, and identify its possible correlation to disease severity. We quantified IL-31 levels in the serum of patients with asthma (n = 44), as well as in contro  ...[more]

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