Mapping cell surface antigen expression of haemopoietic progenitor cells using monoclonal antibodies.

M. Greaves, J. Robinson, D. Delia, R. Sutherland, R. Newman, C. Sieff

Research output: Contribution to journalArticlepeer-review


A library of monoclonal antibodies which show selective reactivity with particular cells or gene products (e.g. HLA-DR, glycophorin) of different cell lineages in the haemopoietic system has been compiled. Using these probes in conjunction with the fluorescence-activated cell sorter (FACS) the pattern and sequence of cell surface antigenic expression on haemopoietic progenitor cells have been mapped. A cell is identified in bone marrow which has a unique membrane phenotype and the nuclear enzyme terminal deoxynucleotidyl transferase. Its composite phenotype is identical to that seen in the common variant of acute lymphoblastic leukaemia (ALL). It is suggested that this cell is a putative B lineage progenitor which provides the major target for ALL. Detailed analysis of erythroid differentiation with monoclonal antibodies on the FACS reveals an intriguing pattern of antigenic expression in which HLA-DR, glycophorin and band III appear in sequence. HLA-DR (Ia-like antigen) may be present on all or most committed haemopoietic progenitor cells and could play an important role in cell interactions regulating early haemopoiesis.

Original languageEnglish
Pages (from-to)109-129
Number of pages21
JournalCiba Foundation symposium
Publication statusPublished - 1981

ASJC Scopus subject areas

  • Medicine(all)


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