Victoria Stern | Oct 25, 2009 | 3 min read
A type of antibody long thought to have a minor role in immune system memory may actually be a key player, new findings suggest. Researchers tracked the antibody's function by imaging the immune system's B cells in the act of responding to a pathogen and developing into memory B cells, which can recognize an infectious agent years after first encountering it, they report in a study published online yesterday (October 25) in Nature Immunology. B cell and memory B cell reacting to a virus Image: