Current smoking status is associated with reduced sputum immunoglobulin M and G expression in COPD

Affiliations

• ¹ Medical Sciences Graduate Program, McMaster University, Hamilton, ON, Canada.
• ² State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, P.R. China.
• ³ State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, College of Basic Medical Science, Guangzhou Medical University, Guangzhou, P.R. China.
• ⁴ Janssen Disease Interception Accelerator, Janssen Pharmaceutical Companies of Johnson and Johnson, Raritan, NJ, USA.
• ⁵ Shenzhen Institute of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, P.R. China.
• ⁶ Dept of Pathology and Molecular Medicine, McMaster Immunology Research Centre, McMaster University, Hamilton, ON, Canada.
• ⁷ Dept of Medicine, Firestone Institute of Respiratory Health at St. Joseph's Health Care, McMaster University, Hamilton, ON, Canada.