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Year : 2019  |  Volume : 32  |  Issue : 1  |  Page : 194-197

Study of serum YKL-40 level in patients with chronic obstructive pulmonary disease

1 Department of Chest, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Department of Biochemistry, Faculty of Medicine, Menoufia University, Menoufia, Egypt
3 Al Mehalla Chest Hospital, Al Mehalla, Egypt

Correspondence Address:
Doaa S Fouda
Samanoud, Gharbia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mmj.mmj_68_17

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Objective The aim of the paper was to investigate the relationship between serum YKL-40 levels and severity of chronic obstructive pulmonary disease (COPD). Background COPD is a major health problem with increasing morbidity and mortality throughout the world. A newly recognized biomarker, YKL-40, is a chitin-binding glycoprotein, and its serum level is elevated in inflammatory diseases. However, it has not been thoroughly investigated in COPD. Patients and methods A total of 30 patients with stable COPD and 10 healthy individuals as a control group were enrolled for estimation of modified Medical Research Counseling dyspnea scale, spirometry, and serum YKL-40 levels. Results Serum YKL-40 level was increased significantly in patients with COPD compared with healthy controls. There was a positive correlation between serum YKL-40 level and each of modified Medical Research Counseling dyspnea scale severity and age, and a negative correlation with forced expiratory volume in the first second percent of predicted. Conclusion High serum YKL-40 levels were correlated with severity of COPD.

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