Posted: 16 Jul 2015 01:05 PM PDT
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.
Posted: 16 Jul 2015 10:52 AM PDT
Iron regulatory proteins play an important role in the body's immune system. Proteins responsible for controlling levels of iron in the body also play an important role in combating infection, according to a new study. Humans -- along with all living organisms, including pathogens -- need iron to survive: invading organisms try to highjack it from their hosts in order to thrive and multiply.
Posted: 22 Jul 2015 11:46 AM PDT
High diversity among certain cells that help fight viruses and tumors is strongly associated with the likelihood of subsequent infection by HIV, researchers have found
Posted: 23 Jul 2015 03:11 PM PDT
A multi-institutional team of researchers has identified an apparently successful treatment for a genetic immune disorder that causes a multitude of health problems -- ranging from infections, diabetes, lung disease and the body's immune system attacking and damaging healthy tissues.