Humoral immune responses in CD40 ligand-deficient mice.
Humoral immune responses in CD40 ligand-deficient mice.
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CD40配体缺陷小鼠的体液免疫反应。
DOI:
10.1084/jem.180.5.1889
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发表时间:
1994-11-01
影响因子:
15.3
通讯作者:
Maliszewski, Charles R.
中科院分区:
文献类型:
--
作者:
Renshaw, Blair R.;Fanslowi, William C. Ii;Armitage, Richard J.;Campbell, Kim A.;Liggitt, Denny;Wright, Barbara;Davison, Barry L.;Maliszewski, Charles R.
Individuals with X-linked hyper-IgM syndrome fail to express functional CD40 ligand (CD40L) and, as a consequence, are incapable of mounting protective antibody responses to opportunistic bacterial infections. To address the role of CD40L in humoral immunity, we created, through homologous recombination, mice deficient in CD40L expression. These mice exhibited no gross developmental deficiencies or health abnormalities and contained normal percentages of B and T cell subpopulations. CD40L-deficient mice did display selective deficiencies in humoral immunity; basal serum isotype levels were significantly lower than observed in normal mice, and IgE was undetectable. Furthermore, the CD40L-deficient mice failed to mount secondary antigen- specific responses to immunization with a thymus-dependent antigen, trinitrophenol-conjugated keyhole limpet hemocyanin (TNP-KLH). By contrast, the CD40L-deficient mice produced antigen-specific antibody of all isotypes except IgE in response to the thymus-independent antigen, DNP-Ficoll. These results underscore the requirement of CD40L for T cell-dependent antibody responses. Moreover, Ig class switching to isotypes other than IgE can occur in vivo in the absence of CD40L, supporting the notion that alternative B cell signaling pathways regulate responses to thymus-independent antigens.
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影响因子:
5.4
作者:
FOY, TM;WALDSCHMIDT, TJ
通讯作者:
WALDSCHMIDT, TJ
影响因子:
4.3
作者:
MALISZEWSKI, CR;MORRISSEY, PJ;DAVISON, B
通讯作者:
DAVISON, B
影响因子:
15.3
作者:
Alderson, M R;Armitage, R J;Tough, T W;Strockbine, L;Fanslow, W C;Spriggs, M K
通讯作者:
Spriggs, M K
影响因子:
56.9
作者:
HARBURY, PB;ZHANG, T;ALBER, T
通讯作者:
ALBER, T
DOI:
10.1084/jem.178.5.1567
发表时间:
1993-11-01
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Foy TM;Shepherd DM;Durie FH;Aruffo A;Ledbetter JA;Noelle RJ
通讯作者:
Noelle RJ