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Disease Markers
Volume 2016 (2016), Article ID 4093870, 9 pages
http://dx.doi.org/10.1155/2016/4093870
Research Article

Plasma Cathepsin S and Cathepsin S/Cystatin C Ratios Are Potential Biomarkers for COPD

1Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
2Department of Respiratory Medicine, Saitama Medical University, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
3Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital and Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
4Center for General Internal Medicine and Education, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
5Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara-shi, Kanagawa 259-1193, Japan

Received 12 August 2016; Accepted 17 October 2016

Academic Editor: Massimiliano M. Corsi Romanelli

Copyright © 2016 Takahiro Nakajima et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Takahiro Nakajima, Hidetoshi Nakamura, Caroline A. Owen, et al., “Plasma Cathepsin S and Cathepsin S/Cystatin C Ratios Are Potential Biomarkers for COPD,” Disease Markers, vol. 2016, Article ID 4093870, 9 pages, 2016. doi:10.1155/2016/4093870