Lewis antigen system
From Wikipedia, the free encyclopedia
Lewis antigen system is a human blood group system based upon genes on chromosome 19. There are two types of Lewis antigens, Lewis a and Lewis b. They are the only red cell antigens which are not produced by the erythrocyte itself. Instead, it is a component of body secretions, and is subsequently adsorbed onto the surface of the erythrocyte.
[edit] External links
- Lewis at BGMUT Blood Group Antigen Gene Mutation Database at NCBI, NIH
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