Cross-reaction of a monoclonal antibody to human MHC class II molecules with rabbit B cells.


Monoclonal antibodies, 21w4 and 44H10, against human MHC class II determinants, were analysed for their reactivity with rabbit lymphoid cells. Both MAb bind to all human B lymphoblastoid lines, irrespective of their HLA-DR phenotype. HLA-DR antigens, purified by affinity to 21W4 IgG Sepharose, can be precipitated with 44H10 MAb, indicating that both… (More)


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