PMID: 6159444Nov 1, 1980Paper

Role of accessory cells in B cell activation. III. Cellular analysis of primary immune response deficits in CBA/N mice: presence of an accessory cell-B cell interaction defect

The Journal of Experimental Medicine
H S BoswellA Singer

Abstract

The effect of the X-linked CBA/N genetic defect on the ability of mice to generate primary responses to thymic-dependent and thymic-independent antigens was assessed by comparing the ability of abnormal (CBA/N x DBA/2)F1 male mice and normal (DBA/2 x CBA/N)F1 male mice to generate 2,4,6-trinitrophenyl (TNP)-specific plaque-forming cell responses to TNP-keyhole limpet hemocyanin (KLH), TNP-conjugated Ficoll (TNP-Ficoll), TNP-Brucella abortus (BA), and TNP-lipopolysaccharide (LPS). The reciprocal F1 combinations used in this study differ genetically only in the origin of their X chromosome, but differ immunologically in that (CBA/N x DBA/2)F1 male mice express all the CBA/N immune abnormalities, whereas (DBA/2 x CBA/N)F1 male mice are immunologically normal. Analysis of thymic-dependent responses to TNP-KLH revealed that abnormal F1 mice were capable of generating primary responses in vivo to high doses of TNP-KLH, but failed to generate responses to suboptimal doses of TNP-KLH that were still immunogenic for normal F1 mice. Furthermore, under limiting in vitro micro-culture conditions, the abnormal F1 mice failed to generate primary thymic-dependent responses to any dose of TNP-KLH, even though under the identical conditions nor...Continue Reading

References

Nov 1, 1969·Proceedings of the Society for Experimental Biology and Medicine·M B Rittenberg, K L Pratt

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