Vaccination with an ovalbumin/interleukin-4 fusion DNA efficiently induces Th2 cell-mediated immune responses in an ovalbumin-specific manner

Young Shin Lim, Bok Yun Kang, Eui Jin Kim, Seung Hyun Kim, Seung Yong Hwang, Kyeong Man Kim, Tae Sung Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

To more effectively drive immune responses toward antigen-specific T helper type 2 (Th2) cell-mediated responses, we constructed a mammalian expression vector (pOVA/IL4) carrying a fused gene in which the ovalbumin (OVA) cDNA was covalently linked to murine interleukin-4 (IL-4) cDNA. A biologically active OVA/IL4 protein was expressed by the transfected COS cells with the pOVA/IL4 DNA, as demonstrated by Western blotting and cytokine bioassay. Intramuscular injection of BALB/c mice with the pOVA/IL4 DNA increased both the production of OVA-specific IL-4 by CD4+ T cells and the ratio of anti-OVA IgG1 to anti-OVA IgG2a isotypes, while the injection with the pOVA DNA alone, or with the mixture of the pOVA and pIL4 DNA did no or little increase. Furthermore, the OVA-specific, Th2 cell-mediated immune responses were significantly enhanced by multiple injections with the pOVA/IL4 DNA. These studies indicate that the direct linkage of an OVA gene to an IL-4 gene in the expression plasmid confines the effects of IL-4 to the OVA-specific cells, efficiently driving the immune response toward OVA-specific, Th2 cell-mediated responses.

Original languageEnglish
Pages (from-to)537-542
Number of pages6
JournalArchives of Pharmacal Research
Volume21
Issue number5
Publication statusPublished - 1998 Oct 1
Externally publishedYes

Fingerprint

Th2 Cells
Ovalbumin
Interleukin-4
Vaccination
Fusion reactions
DNA
Genes
Complementary DNA
Injections
T-cells
Bioassay
COS Cells
Histocompatibility Antigens Class II
Intramuscular Injections
Biological Assay
Plasmids
Immunoglobulin G
Western Blotting
Cytokines
T-Lymphocytes

Keywords

  • DNA vaccine
  • Interleukin-4
  • Ovalbumin
  • T helper cell

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Organic Chemistry
  • Drug Discovery
  • Pharmacology

Cite this

Vaccination with an ovalbumin/interleukin-4 fusion DNA efficiently induces Th2 cell-mediated immune responses in an ovalbumin-specific manner. / Lim, Young Shin; Kang, Bok Yun; Kim, Eui Jin; Kim, Seung Hyun; Hwang, Seung Yong; Kim, Kyeong Man; Kim, Tae Sung.

In: Archives of Pharmacal Research, Vol. 21, No. 5, 01.10.1998, p. 537-542.

Research output: Contribution to journalArticle

Lim, Young Shin ; Kang, Bok Yun ; Kim, Eui Jin ; Kim, Seung Hyun ; Hwang, Seung Yong ; Kim, Kyeong Man ; Kim, Tae Sung. / Vaccination with an ovalbumin/interleukin-4 fusion DNA efficiently induces Th2 cell-mediated immune responses in an ovalbumin-specific manner. In: Archives of Pharmacal Research. 1998 ; Vol. 21, No. 5. pp. 537-542.
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abstract = "To more effectively drive immune responses toward antigen-specific T helper type 2 (Th2) cell-mediated responses, we constructed a mammalian expression vector (pOVA/IL4) carrying a fused gene in which the ovalbumin (OVA) cDNA was covalently linked to murine interleukin-4 (IL-4) cDNA. A biologically active OVA/IL4 protein was expressed by the transfected COS cells with the pOVA/IL4 DNA, as demonstrated by Western blotting and cytokine bioassay. Intramuscular injection of BALB/c mice with the pOVA/IL4 DNA increased both the production of OVA-specific IL-4 by CD4+ T cells and the ratio of anti-OVA IgG1 to anti-OVA IgG2a isotypes, while the injection with the pOVA DNA alone, or with the mixture of the pOVA and pIL4 DNA did no or little increase. Furthermore, the OVA-specific, Th2 cell-mediated immune responses were significantly enhanced by multiple injections with the pOVA/IL4 DNA. These studies indicate that the direct linkage of an OVA gene to an IL-4 gene in the expression plasmid confines the effects of IL-4 to the OVA-specific cells, efficiently driving the immune response toward OVA-specific, Th2 cell-mediated responses.",
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