Antigenic variation is the process by which an infectious organism alters its surface proteins in order to evade a host immune response.
Antigenic variation
A change in the types or amounts of a molecule on the cell surface of a pathogen that alters recognition by the host immune system.
There is one parasite protein that we thought was exclusively involved in the blood stage, which we thought was really important for antigenic variation, for avoiding the parasitic immune system, and possibly for what we see in clinical disease, ...
 See also: Organ, Protein, Bacteria, Cells, DNA
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