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Wenger, R H; Kopf, M; Nitschke, L; Lamers, M C; Köhler, G; Nielsen, P J (1995). B-cell maturation in chimaeric mice deficient for the heat stable antigen (HSA/mouse CD24). Transgenic Research, 4(3):173-183.

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The murine differentiation marker heat stable antigen (HSA) is a GPI-anchored surface glycoprotein showing strong expression on immature B- and T-lymphocytes and gradually reduced expression during maturation. Although HSA has been suggested to be involved in adhesion and/or signalling, its function has not been clearly demonstrated so far. In order to elucidate the function of HSA, we analysed chimaeric mice that were generated by targeted disruption of both HSA alleles in ES cells. These mice contain normal numbers of peripheral B-cells and normal serum IgM and IgG titres of ES cell-derived allotype, demonstrating that HSA expression on B-cells is not an absolute requirement for their maturation. However, a reduction in immature B-cells in the bone marrow and an altered degree of bone marrow and blood chimaerism suggest that HSA expression influences the maturation of B-cells.


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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology
Dewey Decimal Classification:570 Life sciences; biology
Deposited On:11 Feb 2008 12:21
Last Modified:05 Apr 2016 12:18
Publisher DOI:10.1007/BF01968782
PubMed ID:7795661

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