Induction and inhibition of CD40-CD40 ligand interactions

A new strategy underlying host-virus relationships

Madhav D Sharma, Maria Leite De Moraes, Flora Zavala, Christiane Pontoux, Martine Papiernik

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Interaction between CD40 and the CD40 ligand (CD40L) is required for mouse mammary tumor virus (MMTV) propagation. We found that Fas was expressed on B cells and CD40L on a small subset of viral superantigen-cognate T cells 12 h after MMTV(SW) infection. CD40L and Fas were down-regulated after 24 h. All CD4 T cells then became resistant to anti-CD3-induced CD40L induction in vitro for 2 wk. Initiation of CD40L expression and its rapid shut-off was associated with IL-12 production and was controlled by IFN-γ and shedding of soluble CD40. These results suggest that a rapid, transient CD40-CD40L interaction involving a small number of cells is sufficient for MMTV propagation. Modulation of CD40L expression may be a major mechanism regulating the balance between viral propagation and host defenses, allowing mutual survival.

Original languageEnglish (US)
Pages (from-to)5357-5365
Number of pages9
JournalJournal of Immunology
Volume161
Issue number10
StatePublished - Nov 15 1998
Externally publishedYes

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CD40 Ligand
Viruses
Mouse mammary tumor virus
Tumor Virus Infections
T-Lymphocytes
Superantigens
Interleukin-12
B-Lymphocytes
Cell Count

ASJC Scopus subject areas

  • Immunology

Cite this

Induction and inhibition of CD40-CD40 ligand interactions : A new strategy underlying host-virus relationships. / Sharma, Madhav D; De Moraes, Maria Leite; Zavala, Flora; Pontoux, Christiane; Papiernik, Martine.

In: Journal of Immunology, Vol. 161, No. 10, 15.11.1998, p. 5357-5365.

Research output: Contribution to journalArticle

Sharma, MD, De Moraes, ML, Zavala, F, Pontoux, C & Papiernik, M 1998, 'Induction and inhibition of CD40-CD40 ligand interactions: A new strategy underlying host-virus relationships', Journal of Immunology, vol. 161, no. 10, pp. 5357-5365.
Sharma, Madhav D ; De Moraes, Maria Leite ; Zavala, Flora ; Pontoux, Christiane ; Papiernik, Martine. / Induction and inhibition of CD40-CD40 ligand interactions : A new strategy underlying host-virus relationships. In: Journal of Immunology. 1998 ; Vol. 161, No. 10. pp. 5357-5365.
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