Lungs enlist immune cells to fight infections in capillaries
Neutrophils are quick in combatting bloodstream pathogens, study in mice finds
![neutrophils](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/042817_AC_neutrophil_main_FREE.jpg?fit=860%2C460&ssl=1)
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