The adaptive immune system, which establishes specific memory for pathogens and foreign antigens that we encounter, is orchestrated by T cells. In contrast to antibody producing B cells, T cells recognize their antige...The adaptive immune system, which establishes specific memory for pathogens and foreign antigens that we encounter, is orchestrated by T cells. In contrast to antibody producing B cells, T cells recognize their antigen not in its native form, but as small proteolytic fragments presented by major histocom-patibility (MHC) molecules on the cell surface.展开更多
文摘The adaptive immune system, which establishes specific memory for pathogens and foreign antigens that we encounter, is orchestrated by T cells. In contrast to antibody producing B cells, T cells recognize their antigen not in its native form, but as small proteolytic fragments presented by major histocom-patibility (MHC) molecules on the cell surface.