Association between osteopontin expression and asthma: a meta-analysis

Objective Osteopontin (OPN) plays an important role in chronic airway remodeling and bronchial hyperresponsiveness. The association between OPN protein expression and asthma has been investigated extensively, but the results of these studies are inconsistent. The aim of this meta-analysis was to determine the relationship between OPN protein expression and asthma. Methods A systematic search was performed to identify published studies regarding...