The immune-enhancing effect of the Cronobacter sakazakii ES2 phage results in the activation of nuclear factor-κB and dendritic cell maturation via the activation of IL-12p40 in the mouse bone marrow

Tae Woo An, Sun Joong Kim, Young Duck Lee, Jong Hyun Park, Hyo-Ihl Chang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The bacteriophage ES2 is a virus for bacterial host cells. Unlike other phages that are known for their therapeutic effects, the ES2 phage has never been clearly examined as a therapeutic agent. To systematically and conclusively evaluate its therapeutic efficacy, the expression of the surface markers CD86, CD40, and MHCII, the production of the proinflammatory cytokines IL-6, IL-1α, IL-1β, and TNF-α, and the underlying NF-κB signaling pathway in murine bone marrow-derived dendritic cells (BM-DCs) in response to ES2 phage infection were examined. The bacteriophage ES2, which was isolated from swine fecal samples an antigen, affected the expression of the cell surface molecules and proinflammatory cytokines that are associated with the DC maturation processes. Treatment with ES2 phage also led to NF-κBp65 activation and translocation to the nucleus, which indicates the activation of NF-κB signaling. Furthermore, the ES2 phage induced the promoter activity of IL-12p40. Our chromatin immunoprecipitation assay revealed that p65 was enriched at the IL12-p40 promoter as a direct target of chromatin. The present study demonstrates that the ES2 phage potently induces DC maturation via immune-enhancement processes.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalImmunology Letters
Volume157
Issue number1-2
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Cronobacter sakazakii
Interleukin-12 Subunit p40
Bacteriophages
Dendritic Cells
B-Lymphocytes
Bone Marrow
Interleukin-1
Cytokines
Chromatin Immunoprecipitation
Therapeutic Uses
Interleukin-12
Chromatin
Interleukin-6
Swine
Viruses
Antigens

Keywords

  • Bacteriophage ES2
  • Dendritic cells
  • IL-12p40
  • NF-κBp65

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

The immune-enhancing effect of the Cronobacter sakazakii ES2 phage results in the activation of nuclear factor-κB and dendritic cell maturation via the activation of IL-12p40 in the mouse bone marrow. / An, Tae Woo; Kim, Sun Joong; Lee, Young Duck; Park, Jong Hyun; Chang, Hyo-Ihl.

In: Immunology Letters, Vol. 157, No. 1-2, 01.01.2014, p. 1-8.

Research output: Contribution to journalArticle

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