Vaccination with dendritic cells pulsed in vitro with tumor antigen conjugated to cholera toxin efficiently induces specific tumoricidal CD8+ cytotoxic lymphocytes dependent on cyclic AMP activation of dendritic cells

We investigated the development of CD8+ tumor-specific cytotoxic lymphocytes (CTL) and protection against tumor growth after vaccination with bone marrow-derived dendritic cells (DC) pulsed with a model protein ovalbumin conjugated to cholera toxin (OVA-CT) in B6 mice using E.G7 tumor cells expressi...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 112(2004), 1 vom: 16. Juli, Seite 35-44
1. Verfasser: Sun, J-B (VerfasserIn)
Weitere Verfasser: Eriksson, K, Li, B-L, Lindblad, M, Azem, J, Holmgren, J
Format: Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Adjuvants, Immunologic Antigens, Neoplasm Egg Proteins Immunotoxins OVA-8 Peptide Fragments Interferon-gamma 82115-62-6 mehr... Ovalbumin 9006-59-1 Cholera Toxin 9012-63-9 Cyclic AMP E0399OZS9N
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100 1 |a Sun, J-B  |e verfasserin  |4 aut 
245 1 0 |a Vaccination with dendritic cells pulsed in vitro with tumor antigen conjugated to cholera toxin efficiently induces specific tumoricidal CD8+ cytotoxic lymphocytes dependent on cyclic AMP activation of dendritic cells 
264 1 |c 2004 
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500 |a Date Completed 19.08.2004 
500 |a Date Revised 21.11.2013 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a We investigated the development of CD8+ tumor-specific cytotoxic lymphocytes (CTL) and protection against tumor growth after vaccination with bone marrow-derived dendritic cells (DC) pulsed with a model protein ovalbumin conjugated to cholera toxin (OVA-CT) in B6 mice using E.G7 tumor cells expressing OVA(257-264) peptide (SIINFEKL) as target cells in vitro and in vivo. Vaccination with OVA-CT-pulsed DC concurrently induced strong CTL in vitro activity and anti-E.G7 tumor protection in vivo in WT, NK-depleted and CD4-deficient mice as well as in IL-12-/- and IFN-gamma-/- mice but not in CD8-deficient mice. Importantly, activation of CTL by OVA-CT-pulsed DC was dependent on CT-induced activation of adenylate cyclase and increased cAMP production by DC associated with increased expression of MHC class I and co-stimulatory molecules (CD80, CD86 and CD40). These results show that vaccination with DC pulsed with antigens (Ag) conjugated to CT induces a strong CTL response and suggest that conjugation of tumor Ag to CT for DC vaccination represents a promising approach for tumor vaccination and immunotherapy 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Adjuvants, Immunologic  |2 NLM 
650 7 |a Antigens, Neoplasm  |2 NLM 
650 7 |a Egg Proteins  |2 NLM 
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650 7 |a Peptide Fragments  |2 NLM 
650 7 |a Interferon-gamma  |2 NLM 
650 7 |a 82115-62-6  |2 NLM 
650 7 |a Ovalbumin  |2 NLM 
650 7 |a 9006-59-1  |2 NLM 
650 7 |a Cholera Toxin  |2 NLM 
650 7 |a 9012-63-9  |2 NLM 
650 7 |a Cyclic AMP  |2 NLM 
650 7 |a E0399OZS9N  |2 NLM 
700 1 |a Eriksson, K  |e verfasserin  |4 aut 
700 1 |a Li, B-L  |e verfasserin  |4 aut 
700 1 |a Lindblad, M  |e verfasserin  |4 aut 
700 1 |a Azem, J  |e verfasserin  |4 aut 
700 1 |a Holmgren, J  |e verfasserin  |4 aut 
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