• 1 January 1980
    • journal article
    • research article
    • Vol. 40  (2) , 193-200
Abstract
Hemopoietic cells from several murine organs were examined for the presence of peanut agglutinin (PNA) receptors. Fetal liver and adlut bone marrow contained cells which were PHA+ but did not stain with conventional T [thymus-derived] and B [bone marrow-derived] markers. Some PNA+ cells were pre-B cells as shown by the presence of cytoplasmic Ig[immunoglobulin]M in the absence of cell surface Ig. Cells in the T lineage retained their PNA receptors during maturation although these became masked by sialic acid on mature peripheral blood T cells. Cells of the B lineage gradually lost their PNA receptors as they matured from pre-B to mature surface Ig positive B lymphocytes.