Association of Serum Biomarkers With Pulmonary Involvement of Rheumatoid Arthritis Interstitial Lung Disease: From KORAIL Cohort Baseline Data
- Authors
- Moon, Jinyoung; Lee, Jeong Seok; Yoon, Young Im; Chang, Sung Hae; Lee, Yeon Ah; Ha, You-Jung; Kang, Eun Ha; Park, Yong-Beom; Lee, Hwajeong; Choe, Jung-Yoon; Lee, Eun Young
- Issue Date
- Oct-2021
- Publisher
- 대한류마티스학회
- Keywords
- Key Words; Rheumatoid arthritis with interstitial lung disease; Matrix metalloproteinase-7; Surfactant protein-D; Krebs von den Lungen-6
- Citation
- 대한류마티스학회지, v.28, no.4, pp 234 - 241
- Pages
- 8
- Journal Title
- 대한류마티스학회지
- Volume
- 28
- Number
- 4
- Start Page
- 234
- End Page
- 241
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/20846
- DOI
- 10.4078/jrd.2021.28.4.234
- ISSN
- 2093-940X
2233-4718
- Abstract
- Objective. The increase in mortality in rheumatoid arthritis (RA) patients with interstitial lung disease (ILD) is well known. However, there are few studies on serum markers that can evaluate acute exacerbation or prognosis in RA-ILD patients. The purpose of this study was to identify the association between biomarkers and lung lesions in patients with RA-ILD. Methods. We analyzed 153 patients with serum samples in a prospective, multicenter cohort of Korean RA-ILD patients. The serum levels of biomarkers, matrix metalloproteinase (MMP-7), surfactant protein-D ( SP-D), and Krebs von den Lungen-6 (KL-6) were measured and correlated with forced vital capacity (FVC), diffusing capacity for carbon monoxide (DLCO) and the results of computed tomography (CT). CT results were interpreted semi-quantitatively according to the extent of lung lesions (grade 1, 0%similar to 25%; grade 2, 26%similar to 50%; grade 3, 51%similar to 75%; grade 4, 76%similar to 100%). Results. MMP-7, SP-D, and KL-6 were negatively correlated with FVC (MMP-7, r=-0.267, p = 0.001; SP-D, r=-0.250, p=0.002; KL-6, r=-0.223, p=0.006) and DLCO (MMP-7, r=-0.404, p < 0.001; SP-D, r=-0.286, p=0.001; KL-6, r=-0.226, p=0.007). In addition, MMP-7, SP-D, and KL-6 tended to increase with higher grades of lung lesions on CT (MMP-7, p=0.013; SP-D, p<0.001; KL- 6, p<0.001). Conclusion. MMP-7, SP-D, and KL-6 can be used to evaluate the functional and anatomical status of lung involvement in the RA-ILD patients.
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