Frontline immune cells can travel for help
A new Australian study shows that cells which form the bulk of our fast-acting 'innate' immune system behave differently, depending on whether an injury is infected or not.
It is well known that paparazzi-like 'neutrophils' swarm to sites of injury within minutes to undertake damage control and kill invaders. Most have very short lives and self-destruct once their job is done.
Sydney researchers now demonstrate that in certain cases neutrophils can also enlist reinforcements in their fight against pathogens. If the injury is infected, neutrophils seek out accomplices ...
