CD40 contributes to lethality in acute sepsis

In vivo role for CD40 in innate immunity

Jeffrey (Jeff) Gold, Merdad Parsey, Yoshihiko Hoshino, Satomi Hoshino, Anna Nolan, Herman Yee, Doris B. Tse, Michael D. Weiden

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Sepsis induces an early inflammatory cascade initiated by the innate immune response. This often results in the development of multisystem organ failure. We examined the role of CD40, a costimulatory molecule that is integral in adaptive immunity, by using a murine model of polymicrobial sepsis. CD40 knockout (KO) mice had delayed death and improved survival after cecal ligation and puncture (CLP). In addition, they had less remote organ injury as manifested by reduced pulmonary capillary leakage. The improvements in survival and remote organ dysfunction in CD40 KO mice were associated with reduced interleukin-6 (IL-6) and IL-10 levels in serum and bronchoalveolar lavage fluid compared to the levels in wild-type (WT) controls. Furthermore, in contrast to WT mice, CD40 KO mice had no induction of the Th1 cytokines IL-12 and gamma interferon in serum or lungs after CLP. The alterations in cytokine production in CD40 KO mice were associated with similar changes in transcription factor activity. After CLP, CD40 KO mice had attenuated activation of nuclear factor κB and signal transducer and activator of transcription 3 in both the lung and the liver. Finally, WT mice had increased expression of CD40 on their alveolar macrophages. These data highlight the importance of CD40 activation in the innate immune response during polymicrobial sepsis and the subsequent development of remote organ dysfunction.

Original languageEnglish (US)
Pages (from-to)3521-3528
Number of pages8
JournalInfection and Immunity
Volume71
Issue number6
DOIs
StatePublished - Jun 1 2003
Externally publishedYes

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Innate Immunity
Knockout Mice
Sepsis
Punctures
Ligation
Lung
Cytokines
Tissue Survival
STAT3 Transcription Factor
Bronchoalveolar Lavage Fluid
Alveolar Macrophages
Adaptive Immunity
Interleukin-12
Serum
Interleukin-10
Interferon-gamma
Interleukin-6
Transcription Factors
Liver
Wounds and Injuries

ASJC Scopus subject areas

  • Immunology

Cite this

CD40 contributes to lethality in acute sepsis : In vivo role for CD40 in innate immunity. / Gold, Jeffrey (Jeff); Parsey, Merdad; Hoshino, Yoshihiko; Hoshino, Satomi; Nolan, Anna; Yee, Herman; Tse, Doris B.; Weiden, Michael D.

In: Infection and Immunity, Vol. 71, No. 6, 01.06.2003, p. 3521-3528.

Research output: Contribution to journalArticle

Gold, JJ, Parsey, M, Hoshino, Y, Hoshino, S, Nolan, A, Yee, H, Tse, DB & Weiden, MD 2003, 'CD40 contributes to lethality in acute sepsis: In vivo role for CD40 in innate immunity', Infection and Immunity, vol. 71, no. 6, pp. 3521-3528. https://doi.org/10.1128/IAI.71.6.3521-3528.2003
Gold, Jeffrey (Jeff) ; Parsey, Merdad ; Hoshino, Yoshihiko ; Hoshino, Satomi ; Nolan, Anna ; Yee, Herman ; Tse, Doris B. ; Weiden, Michael D. / CD40 contributes to lethality in acute sepsis : In vivo role for CD40 in innate immunity. In: Infection and Immunity. 2003 ; Vol. 71, No. 6. pp. 3521-3528.
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