16 July 2015
In response to an infection, the immune system refines its defensive proteins, called antibodies, to better target an invader. New research has revealed two mechanisms that favor the selection of B cells capable of producing antibodies with the highest affinity for that invader.img src=”http://feeds.feedburner.com/~r/sciencedaily/~4/oyF5eMolBGo” height=”1″ width=”1″ alt=””/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oyF5eMolBGo/150716160559.htm










