Testing recombinant adeno-associated virus-gene loading of dendritic cells for generating potent cytotoxic T lymphocytes against a prototype self-antigen, multiple myeloma HM1.24

Maurizio Chiriva-Internati, Yong Liu, Jon A. Weidanz, Fabio Grizzi, Hong You, Weiping Zhou, Klaus Bumm, Barthel Barlogie, Jawahar L. Mehta, Paul L. Hermonat

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Abstract

Recent studies demonstrate that recombinant adeno-associated virus (rAAV)-based antigen loading of dendritic cells (DCs) generates significant and rapid (one stimulation per week) cytotoxic T-lymphocyte (CTL) responses in vitro against viral antigens. As a more extensive analysis of the rAAV system, we have used a self-antigen, HM1.24, expressed in multiple myeloma (MM). Again, with one stimulation, significant major histocompatibility complex (MHC) class 1-restricted, anti-HM1.24-specific CTL killing was demonstrated against MM cells. Furthermore, higher expression of interferon-γ (IFN-γ) in T cells and higher expression levels of, in order of significance, CD80 (2.6- to 3.8-fold increase), CD86, and CD40 on DCs were also observed. The use of synthetic HM1.24-positive target cells further demonstrated the antigen specificity of these CTLs. There was also no evidence of natural killer cell involvement. These data extend our earlier studies and suggest that the rAAV-Ioading of DCs may be a particularly good protocol for generating CTLs against self-antigens, which may not otherwise be considered good targets because of their low immunogenicity. We also show that HM1.24 may be an effective antigen for targeting MM.

Original languageEnglish
Pages (from-to)3100-3107
Number of pages8
JournalBlood
Volume102
Issue number9
DOIs
Publication statusPublished - Nov 1 2003

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Dependovirus
T-cells
Autoantigens
Cytotoxic T-Lymphocytes
Multiple Myeloma
Viruses
Dendritic Cells
Genes
Antigens
Testing
Viral Antigens
Major Histocompatibility Complex
Natural Killer Cells
Interferons
T-Lymphocytes

ASJC Scopus subject areas

  • Hematology

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Testing recombinant adeno-associated virus-gene loading of dendritic cells for generating potent cytotoxic T lymphocytes against a prototype self-antigen, multiple myeloma HM1.24. / Chiriva-Internati, Maurizio; Liu, Yong; Weidanz, Jon A.; Grizzi, Fabio; You, Hong; Zhou, Weiping; Bumm, Klaus; Barlogie, Barthel; Mehta, Jawahar L.; Hermonat, Paul L.

In: Blood, Vol. 102, No. 9, 01.11.2003, p. 3100-3107.

Research output: Contribution to journalArticle

Chiriva-Internati, Maurizio ; Liu, Yong ; Weidanz, Jon A. ; Grizzi, Fabio ; You, Hong ; Zhou, Weiping ; Bumm, Klaus ; Barlogie, Barthel ; Mehta, Jawahar L. ; Hermonat, Paul L. / Testing recombinant adeno-associated virus-gene loading of dendritic cells for generating potent cytotoxic T lymphocytes against a prototype self-antigen, multiple myeloma HM1.24. In: Blood. 2003 ; Vol. 102, No. 9. pp. 3100-3107.
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