Asthma and chronic obstructive pulmonary disease (COPD) represent two classes of chronic
obstructive lung disorders that may share some similar immunologic mechanisms of
disease. Asthma is a complex human disease characterized by airway hyperresponsiveness
(AHR) and inflammation, whereas COPD is marked by progressive emphysematic changes
in the lung. Recently it has been shown that advanced COPD is characterized by lymphoid
follicles, drawing attention to immunological mechanisms in COPD. Despite numerous …