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特应性慢性阻塞性肺疾病中 MMP8 水平的升高：一项针对特应性和非特应性患者的多种免疫因素的测试研究
Authors Hu H, Cai C, Xue M, Luo J, Liao C, Huang H, Sun B
Received 18 May 2020
Accepted for publication 15 July 2020
Published 30 July 2020 Volume 2020:15 Pages 1839—1848
DOI https://doi.org/10.2147/COPD.S263313
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Richard Russell
Objective: The aim of this study was to analyse the level of serum matrix metalloproteinases (MMPs) in atopic and non-atopic COPD patients, providing guidance for clinical practice and theory for atopic COPD.
Methods: Blood samples from 50 adult male patients with COPD, including 17 atopic and 33 non-atopic patients, were submitted for detection of MMP8, MMP9, surfactant associated protein D (SPD), noradrenaline (NE), leukotriene (LT) B4, recombinant proteoglycan (PRG4), Phadiatop sIgE, and tIgE levels. Patients’ Modified Medical Research Council Dyspnea Scale (mMRC), COPD Assessment Test (CAT), pulmonary function test results, FeNO, blood cell ratio and induced sputum were collected.
Results: The level of serum tIgE in patients with atopic COPD [1876.00 kU/l (760.50, 5347.00)] was significantly higher than in patients with non-atopic COPD [377.00 kU/l (93.50, 581.50), P < 0.001]. The MMP8 levels in atopic COPD (1600 ± 1181 ng/mL) were significantly higher than in non-atopic COPD (973.3 ± 921.5 ng/mL, P = 0.0494), but there was no significant difference in MMP9, SPD, NE, LTB4, and PRG4 levels between the two groups. In atopic COPD patients, the rate of leukocyte (rs = 0.63, P < 0.001) and neutrophil (rs = 0.54, P < 0.05) were positively correlated with MMP8 levels, while lymphocyte rate was negatively correlated with MMP8 (rs = − 0.70, P < 0.001) and MMP9 levels (rs = − 0.54, P < 0.05). Optimal scale analysis showed that NE was most closely related to the basophil rate from induced sputum and FeNO levels (Cronbach’s alpha = 85.1%). Interestingly, all atopic COPD patients with mMRC ≥ 2, CAT ≥ 10, and CCQ ≥ 16 exhibited MMP8 levels > 1000 ng/mL.
Conclusion: In general, tIgE and MMP8 levels were higher in atopic COPD patients than in non-atopic patients. NE levels were closely correlated with the basophil rate of induced sputum and FeNO levels, which may play an important role in the pathogenesis and development of atopic COPD.
Keywords: chronic obstructive pulmonary disease, atopy, matrix metalloproteinases, immunoglobulin E, allergy
