CEACAM6 and cystic fibrosis: In azurophilic granules in pathogen-infected sputa from individuals with cystic fibrosis, Thaysen-Andersen and co-authors identified a paucimannosidic glycan on CEACAM6 with 2 GlcNAc and 2 Man, with or without Fuc (Thaysen-Andersen et al., 2015).