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Hardy RR, Wasserman R, Li YS, Shinton SA, Hayakawa K
Response by B cell precursors to pre-B receptor assembly: differences between fetal liver and bone marrow
Curr Top Microbiol Immunol (2000) 252:25-30.
The expression of different sets of immunoglobulin specificities by fetal and adult B lymphocytes is a longstanding puzzle in immunology. In the past few years it has become clear that production of mu heavy chain and subsequent assembly with surrogate light chain to form the pre-B cell receptor complex is critical to promote development of adult B cell precursors in mouse bone marrow. Recently we found that instead of promoting pre-B cell expansion as in adult bone marrow, this complex inhibits pre-B cell growth in fetal liver, providing a previously unrecognized mechanism for alteration of the B cell repertoire with age. The consequence is very distinct primary repertoires for development of fetal B1 cells and adult bone marrow B2 cells.
Publication Date: 2000-01-01.
Last updated on Saturday, July 04, 2020