MBL2 and chronic obstructive pulmonary disease: Pre-treatment of human alveolar macrophages with pdMBL increased efferocytosis of apoptotic bronchial epithelial cells and phagocytosis of NTHi, a pathogen frequently implicated in exacerbations of COPD (consistent with a previous report of enhanced phagocytosis of S. aureus and E. coli by pre-incubation of rat Kupffer cells with MBL [23]).