Enhancing the immunostimulatory function of dendritic cells by transfection with mRNA encoding OX40 ligand

Jens Dannull, Smita Nair, Zhen Su, David Boczkowski, Christian DeBeck, Benjamin Yang, Eli Gilboa, Johannes Vieweg

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

The objective of this study was to investigate whether the immunostimulatory properties of human monocyte-derived dendritic cells (DCs) could be enhanced by triggering OX40/OX40L signaling. Since monocyte-derived DCs possess only low-cell surface levels of OX40L in the absence of CD40 signaling, OX40L was expressed by transfection of DCs with the corresponding mRNA. We show that OX40L mRNA transfection effectively enhanced the immunostimulatory function of DCs at multiple levels: OX40L mRNA transfection augmented allogeneic and HLA class II epitope-specific CD4+ T-cell responses, improved the stimulation of antigen-specific cytotoxic T lymphocytes (CTLs) in vitro without interfering with the prostaglandin E2 (PGE 2)-mediated migratory function of the DCs, and facilitated interleukin 12 p70 (IL-12p70)-independent T helper type 1 (Th1) polarization of naive CD4+ T-helper cells. Furthermore, vaccination of tumor-bearing mice using OX40L mRNA-cotransfected DCs resulted in significant enhancement of therapeutic antitumor immunity due to in vivo priming of Th1-type T-cell responses. Our data suggest that transfection of DCs with OX40L mRNA may represent a promising strategy that could be applied in clinical immunotherapy protocols, while circumventing the current unavailability of reagents facilitating OX40 ligation.

Original languageEnglish
Pages (from-to)3206-3213
Number of pages8
JournalBlood
Volume105
Issue number8
DOIs
StatePublished - Apr 15 2005
Externally publishedYes

Fingerprint

OX40 Ligand
Dendritic Cells
Transfection
Messenger RNA
T-cells
Monocytes
Bearings (structural)
Th1 Cells
Cytotoxic T-Lymphocytes
Interleukin-12
Clinical Protocols
Helper-Inducer T-Lymphocytes
Dinoprostone
Immunotherapy
Ligation
Tumors
Epitopes
Immunity
Vaccination
Polarization

ASJC Scopus subject areas

  • Hematology

Cite this

Dannull, J., Nair, S., Su, Z., Boczkowski, D., DeBeck, C., Yang, B., ... Vieweg, J. (2005). Enhancing the immunostimulatory function of dendritic cells by transfection with mRNA encoding OX40 ligand. Blood, 105(8), 3206-3213. https://doi.org/10.1182/blood-2004-10-3944

Enhancing the immunostimulatory function of dendritic cells by transfection with mRNA encoding OX40 ligand. / Dannull, Jens; Nair, Smita; Su, Zhen; Boczkowski, David; DeBeck, Christian; Yang, Benjamin; Gilboa, Eli; Vieweg, Johannes.

In: Blood, Vol. 105, No. 8, 15.04.2005, p. 3206-3213.

Research output: Contribution to journalArticle

Dannull, J, Nair, S, Su, Z, Boczkowski, D, DeBeck, C, Yang, B, Gilboa, E & Vieweg, J 2005, 'Enhancing the immunostimulatory function of dendritic cells by transfection with mRNA encoding OX40 ligand', Blood, vol. 105, no. 8, pp. 3206-3213. https://doi.org/10.1182/blood-2004-10-3944
Dannull, Jens ; Nair, Smita ; Su, Zhen ; Boczkowski, David ; DeBeck, Christian ; Yang, Benjamin ; Gilboa, Eli ; Vieweg, Johannes. / Enhancing the immunostimulatory function of dendritic cells by transfection with mRNA encoding OX40 ligand. In: Blood. 2005 ; Vol. 105, No. 8. pp. 3206-3213.
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