303 | James P. Allison on Fighting Cancer with the Immune System

1280.72 - 1310.546 James P. Allison

engulf bacteria or infected cells or dying debris from dying cells and clean up wounds and all that stuff and help wounds repair. And they have innate signals, they're called, that they can recognize A lot of viruses, a lot of bacteria, just because they have carbohydrates and things on their surface that is classes of molecules are different than those found in our cells, mammalian cells.