HIV Transmission Blocked by Often Overlooked Class of Antibody

The mammalian immune system produces a range of antibody types in order to protect the host from the daily onslaught of foreign invaders. These various antibody classes typically have well-defined roles and are often temporally produced in response to antigens and often isolated to various tissue types. Immunoglobulin M (IgM) is usually the first antibody class generated in response to infectious agents and is seen in the systemic circulation as well as mucosal fluids. Now, a group of investigat