Ji-Yoon Oh, Chae Eun Lee, Seo Young Kim, Hyunkyoung Kim, Yu Ri Kang, Ji-Hyang Lee, Woo-Jung Song, Hyouk-Soo Kwon, You Sook Cho, Tae-Bum Kim
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引用次数: 0
Abstract
Background: Airway remodeling in asthma is induced by the production of vascular endothelial growth factor, and this process is mediated by neuropilin-1 (NRP-1).
Objective: To investigate the association between the serum level of NRP-1 and clinical characteristics in asthma.
Methods: We measured the serum level of NRP-1 and performed subgroup analysis of NRP-1 according to the clinical characteristics of 421 asthma patients registered in the Cohort for Reality and Evolution of Adult Asthma in Korea.
Results: The serum level of NRP-1 was significantly higher in the group under 65 years of age than in the group over 65 years of age (1628.36 ± 589.51 vs 1416.75 ± 671.42; P < 0.001). Current smokers and ex-smokers had a significantly higher serum NRP-1 level compared with that of never smokers (1647.16 ± 572.34 vs 1528.5 ± 579.37; P = 0.041). Medium- and high-inhaled corticosteroid users had a higher serum NRP-1 level compared with that of low-inhaled corticosteroid users (1589.87 ± 591.7 vs 1436.12 ± 419.21; P = 0.049). The serum NRP-1 level was significantly higher in the group with a forced vital capacity (FVC) of 70% or higher than in the group with an FVC of 70% or lower. In univariate analysis, age was a factor influencing serum NRP-1 with a negative correlation (coefficient=-260.90; P < 0.001). Ex-smokers and current smokers were factors influencing serum NRP-1 with a positive correlation (coefficient = 118.66; P = 0.0412). An FVC of 70% or higher was a factor affecting serum NRP-1 with a positive correlation (coefficient = 173.86; P = 0.0224). Multivariable analysis revealed that age (coefficient = -233.53; P < 0.001) and smoking history (coefficient = -122.4; P = 0.0358) were significant variables affecting serum NRP-1.
Conclusion: Serum NRP-1 level was high in asthma patients with a younger age and smoking history, suggesting its potential as a clinical marker for predicting early-stage airway remodeling based on the age and smoking status.
期刊介绍:
Asia Pacific Allergy (AP Allergy) is the official journal of the Asia Pacific Association of Allergy, Asthma and Clinical Immunology (APAAACI). Although the primary aim of the journal is to promote communication between Asia Pacific scientists who are interested in allergy, asthma, and clinical immunology including immunodeficiency, the journal is intended to be available worldwide. To enable scientists and clinicians from emerging societies appreciate the scope and intent of the journal, early issues will contain more educational review material. For better communication and understanding, it will include rational concepts related to the diagnosis and management of asthma and other immunological conditions. Over time, the journal will increase the number of original research papers to become the foremost citation journal for allergy and clinical immunology information of the Asia Pacific in the future.