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Activated CD4(+) T cells undergo blastogenesis and proliferation and they express several surface receptors, including β2-microglobulin-free human leucocyte antigen (HLA) heavy chains (open(More)
B memory cells remain in circulation and secrete alloantibodies without antigen exposure > 20 years after alloimmunization postpartum or by transplantation. These long-lived B cells are resistant to(More)
Intravenous immunoglobulin (IVIg) reacted with a wide array of human leucocyte antigen (HLA) alleles, in contrast to normal sera, due possibly to the purification of IgG from the pooled plasma. The(More)
In human cancers, over-expression of HLA-E is marked by gene expression. However, immunolocalization of HLA-E on tumor cells is impeded by the HLA-Ia reactivity of commercial anti-HLA-E monoclonal(More)
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