Immunoglobulin-bearing and complement-receptor lymphocytes constitute the same population in human peripheral blood.

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Abstract

Complement-receptor lymphocytes have generally been considered to be a subpopulation of bone-marrow derived (B) lymphocytes. However, the present studies show that essentially all cells with integral surface immunoglobulin from normal human peripheral blood bear receptors for the third component of complement. Moreover, after removal of phagocytes, all cells with complement receptors bear surface Ig. Thus, circulating B cells and complement-receptor lymphocytes are the same population.

Authors

A G Ehlenberger, M McWilliams, J M Phillips-Quagliata, M E Lamm, V Nussenzweig