Article
Enrichment and characterization of uncommitted B-cell precursors from fetal liver at day 12 of gestation.
The EMBO journal - 1 Feb 1992
Cumano A, Paige C J
Abstract excerpt
We describe an assay system that allows precursor cells, uncommitted for heavy and light chain immunoglobulin expression, to develop into B lymphocytes that can differentiate to antibody-producing cells. Some precursors have the immunoglobulin loci in germ-line configuration. Approximately 200-1500 precursor cells are present in one fetal liver by day 12 of gestation; they express the surface marker AA4.1. Most...
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