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. 2019 Jul 22;14:1611–1631. doi: 10.2147/COPD.S184097

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© 2019 Majewski et al.

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YKL-40 peripheral blood and sputum levels.

Notes: Panels showing: YKL-40 concentration (A) in peripheral blood, (B) in sputum; YKL-40 mRNA expression (C) in peripheral blood, (D) in sputum. **P<0.01; ***P<0.001; ****P<0.0001.

Abbreviation: PBMC, peripheral blood mononuclear cells.