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. 2008 Jan;21(1):3-8.
doi: 10.1080/08998280.2008.11928346.

Dendritic cells and vaccines

Affiliations

Dendritic cells and vaccines

Ralph M Steinman. Proc (Bayl Univ Med Cent). 2008 Jan.
No abstract available

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Figures

Figure 1
Figure 1
Ralph M. Steinman, MD, with Jacques Banchereau, PhD, director of the Baylor Institute for Immunology Research.
Figure 2
Figure 2
Three elemental R's of T cell biology: repertoire, recognition, response. Reprinted with permission from Nature Medicine (1).
Figure 3
Figure 3
Dendritic cells probing the environment in mouse lymphoid tissue. Photomicrograph courtesy of Dr. Juliana Idoyaga; reprinted with permission from Nature Medicine (1).
Figure 4
Figure 4
Hybrid anti–dendritic cell antibodies (αDEC-LACK and 33D1-LACK) efficiently trigger clonal expansion of transgenic T cells in vivo compared with the protein alone (LACK) or the control group (PBS, phosphate-buffered saline). 3 × 106 CFSE-labeled TCR transgenic cells were administered intravenously to thy-1.2+ mice 1 day before immunization intraperitoneally with graded doses of αDEC-LACK, 33D1-LACK, Ig-LACK, or LACK protein. Spleens were harvested at 3 days to enumerate thy-1.1+ T cells that had diluted CFSE. The expansion of transgenic T cells is displayed as representative CFSE dilution plots, gated on thy-1.1+ LACK transgenic CD4+ T cells in response to the indicated doses of fusion monoclonal antibody or LACK protein. Reprinted with permission from Journal of Experimental Medicine (4).
Figure 5
Figure 5
DEC-205 enhances the immune efficacy of a protein vaccine. BALB/c mice were immunized subcutaneously with graded doses of αDEC-p24 or control Ig-p24 monoclonal antibodies and maturation stimulus. Nineteen days later, we assessed the percentage of IFN-γ+ CD4+ cells in gated CD3+ splenic T cells using gag p24 peptide pools. One of three similar experiments is shown. Reprinted with permission from Journal of Experimental Medicine (5).
Figure 6
Figure 6
DEC+ (33D1) dendritic cells polarize T cells (even in BALB/c mice) to produce IFN-γ, but IL-12 p40 is not required. IL-12 p40−/− mice and control littermates were immunized intraperitoneally as indicated on the x-axis. Three weeks later, (a) the frequency of IFN-γ+ CD4+ CD3+ splenic T cells was determined by intracellular staining or (b) CD4+ splenocytes were restimulated in vitro with CD11c+ cells, medium, or LACK peptide for 36 to 48 hours to measure IL-4–secreting cells by ELISPOT. Reprinted with permission from Journal of Experimental Medicine (4).
Figure 7
Figure 7
αCD70 treatment (FR70, H.Yagita) in vivo blocks immunity to LACK in naive mice, after targeting of antigen to DEC+ but not DEC dendritic cells. BALB/c mice were injected intraperitoneally with 50 μg αCD70 monoclonal antibody 1 day before intraperitoneal immunization with 10 μg αDEC-LACK, 10 μg 33D1LACK, 50 μg LACK protein, and 10 μg Ig-LACK in the presence of αCD40 and poly I:C, or PBS. Three weeks later, the frequency of IFN-γ+ CD4+ CD3+ splenic T cells was determined by intracellular staining. One of two similar experiments. Reprinted with permission from Journal of Experimental Medicine (4).

References

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    1. Soares H, Waechter H, Glaichenhaus N, Mougneau E, Yagita H, Mizenina O, Dudziak D, Nussenzweig MC, Steinman RM. A subset of dendritic cells induces CD4+ T cells to produce IFN-gamma by an IL-12-independent but CD70-dependent mechanism in vivo. J Exp Med. 2007;204(5):1095–1106. - PMC - PubMed
    1. Trumpfheller C, Finke JS, Lopez CB, Moran TM, Moltedo B, Soares H, Huang Y, Schlesinger SJ, Park CG, Nussenzweig MC, Granelli-Piperno A, Steinman RM. Intensified and protective CD4+ T cell immunity in mice with anti-dendritic cell HIV gag fusion antibody vaccine. J Exp Med. 2006;203(3):607–617. - PMC - PubMed

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