Lungs enlist immune cells to fight infections in capillaries

Neutrophils are quick in combatting bloodstream pathogens, study in mice finds

neutrophils

ON TRACK  Neutrophils (red) crawl along the walls of capillaries in a mouse lung (tracks shown in blue). In mice deficient in a key protein, these immune cells couldn’t move as far (left) as those in mice that had the protein (right).

B.G. Yipp et al/Science Immunology 2017

Immune cells in the lungs provide a rapid counterattack to bloodstream infections, a new study in mice finds.