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PMID |
Sentence |
1 |
15956796
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We studied the sensitivity of several human cancer cell strains (HeLa, HT1080, SPC-A1, and ACHN) and normal cell strains (MRC-5 and Wish) to mumps virus (MuV) S79, a live attenuated vaccine strain.
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2 |
15963358
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Both in vitro and direct ex vivo analysis, performed using newly generated HHD tetramers, showed a significant increase in the number of specific CD8+ T cells upon vaccination with the APL as compared to its unmodified counterpart.
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3 |
18566379
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Identification of a novel immunogenic HLA-A*0201-binding epitope of HER-2/neu with potent antitumor properties.
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4 |
18566379
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By applying prediction algorithms for MHC class I ligands and proteosomal cleavages, in this study, we describe the identification of HER-2/neu decamer LIAHNQVRQV spanning residues 85-94 (HER-2(10(85))).
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5 |
18566379
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This peptide was immunogenic in HLA-A2.1 transgenic (HHD) mice inducing peptide-specific CTL, which responded to tumor cell lines of various origin coexpressing human HER-2/neu and HLA-A2.1.
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6 |
18566379
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Five of sixteen HER-2/neu+ HLA-A2.1+ breast cancer patients analyzed had HER-2(10(85))-reactive T cells ranging from 0.35-0.70% of CD8+ T cells.
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7 |
18566379
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Depletion of T regulatory cells from PBMC enabled the rapid expansion of HLA-A2.1/HER-2(10(85))pentamer+/CD8+ cells (PENT+/CD8+), whereas significantly lower numbers of CTL could be generated from unfractionated PBMC.
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8 |
18566379
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HER-2(10(85))-specific human CTL recognized the HER-2/neu+ HLA-A2.1+ tumor cell line SKBR3.A2, as determined by IFN-gamma intracellular staining and in the high sensitivity CD107alpha degranulation assay.
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9 |
18566379
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These data demonstrate that HER-2(10(85)) is an immunogenic peptide, capable of eliciting CD8-mediated responses in vitro and in vivo, providing the platform for further exploitation of HER-2(10(85)) as a possible target for anticancer immunotherapy.
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10 |
19561534
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In this study, we developed HHD/carcinoembryonic antigen P(CEA) hybrid mice by breeding transgenic mice homozygous for CEA with HHD.
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11 |
19561534
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Owing to the immune tolerance, HHD/CEA mice show a limited immune response and expansion of a different and restricted T-cell receptor repertoire after antigen-specific stimulation.
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12 |
19561534
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Most importantly, efficient lysis of human CEA+/HLA-A2.1+ tumor cells was observed and significant protection against HHD/CEA tumor cells was achieved in HHD/CEA-vaccinated mice.
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13 |
19561534
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Hence, HHD/CEA provides a relevant model for the evaluation of the potential efficacy of human CEA-based vaccines.
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14 |
19561534
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In this study, we developed HHD/carcinoembryonic antigen P(CEA) hybrid mice by breeding transgenic mice homozygous for CEA with HHD.
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15 |
19561534
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Owing to the immune tolerance, HHD/CEA mice show a limited immune response and expansion of a different and restricted T-cell receptor repertoire after antigen-specific stimulation.
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16 |
19561534
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Most importantly, efficient lysis of human CEA+/HLA-A2.1+ tumor cells was observed and significant protection against HHD/CEA tumor cells was achieved in HHD/CEA-vaccinated mice.
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17 |
19561534
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Hence, HHD/CEA provides a relevant model for the evaluation of the potential efficacy of human CEA-based vaccines.
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18 |
19561534
|
In this study, we developed HHD/carcinoembryonic antigen P(CEA) hybrid mice by breeding transgenic mice homozygous for CEA with HHD.
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19 |
19561534
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Owing to the immune tolerance, HHD/CEA mice show a limited immune response and expansion of a different and restricted T-cell receptor repertoire after antigen-specific stimulation.
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20 |
19561534
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Most importantly, efficient lysis of human CEA+/HLA-A2.1+ tumor cells was observed and significant protection against HHD/CEA tumor cells was achieved in HHD/CEA-vaccinated mice.
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21 |
19561534
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Hence, HHD/CEA provides a relevant model for the evaluation of the potential efficacy of human CEA-based vaccines.
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22 |
19561534
|
In this study, we developed HHD/carcinoembryonic antigen P(CEA) hybrid mice by breeding transgenic mice homozygous for CEA with HHD.
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23 |
19561534
|
Owing to the immune tolerance, HHD/CEA mice show a limited immune response and expansion of a different and restricted T-cell receptor repertoire after antigen-specific stimulation.
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24 |
19561534
|
Most importantly, efficient lysis of human CEA+/HLA-A2.1+ tumor cells was observed and significant protection against HHD/CEA tumor cells was achieved in HHD/CEA-vaccinated mice.
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25 |
19561534
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Hence, HHD/CEA provides a relevant model for the evaluation of the potential efficacy of human CEA-based vaccines.
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26 |
19904532
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We describe herein a novel HLA-A*0201-restricted epitope, encompassing amino acids 828-836 (residues QIAKGMSYL), which is naturally presented by various HER-2/neu (+) tumor cell lines.
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27 |
19904532
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HER-2/neu(828-836), [HER-2(9(828))], possesses two anchor residues and stabilized HLA-A*0201 on T2 cells in a concentration-dependent Class I binding assay.
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28 |
19904532
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HER-2(9(828)) was found to be immunogenic in HLA-A*0201 transgenic (HHD) mice inducing peptide-specific and functionally potent CTL and long-lasting anti-tumor immunity.
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29 |
19904532
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Most important, using HLA-A*0201 pentamer analysis we could detect increased ex vivo frequencies of CD8(+) T-lymphocytes specifically recognizing HER-2(9(828)) in 8 out of 20 HLA-A*0201(+) HER-2/neu (+) breast cancer patients.
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30 |
19904532
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Moreover, HER-2(9(828))-specific human CTL recognized the tumor cell line SKOV3.A2 as well as the primary RS.A2.1.DR1 tumor cell line both expressing HER-2/neu and HLA-A*0201.
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31 |
19904532
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Finally, therapeutic vaccination with HER-2(9(828)) in HHD mice was proven effective against established transplantable ALC.A2.1.HER tumors, inducing complete tumor regression in 50% of mice.
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32 |
24790791
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We generated a number of minigenes containing epitopes from the carcinoembryonic antigen (CEA) model TAA and utilized muscle DNA electro-gene-transfer (DNA-EGT) to vaccinate HLA-A*0201 (HHD) and CEA/HHD double transgenic mice.
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33 |
24790791
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Other candidate components comparatively tested included: helper CD4+ T-cell epitopes, flanking regions for optimal epitope processing (including both proteasome-dependent and furin-dependent polypeptide processing mechanisms), and immunoenhancing moieties.
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34 |
24790791
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Through a series of comparative studies and iterations we have identified an optimal minigene scaffold comprising the following elements: human tissue plasminogen activator (TPA) signal peptide, T-cell epitopes connected by furin sensitive linkers, and the E.
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35 |
24790791
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The selected epitope modified minigenes (EMM) delivered by DNA-EGT were able to break immune tolerance in CEA/HHD mice and induce a strong immune response against all epitopes tested, independently of their relative positions within the scaffold.
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36 |
24790791
|
We generated a number of minigenes containing epitopes from the carcinoembryonic antigen (CEA) model TAA and utilized muscle DNA electro-gene-transfer (DNA-EGT) to vaccinate HLA-A*0201 (HHD) and CEA/HHD double transgenic mice.
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37 |
24790791
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Other candidate components comparatively tested included: helper CD4+ T-cell epitopes, flanking regions for optimal epitope processing (including both proteasome-dependent and furin-dependent polypeptide processing mechanisms), and immunoenhancing moieties.
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38 |
24790791
|
Through a series of comparative studies and iterations we have identified an optimal minigene scaffold comprising the following elements: human tissue plasminogen activator (TPA) signal peptide, T-cell epitopes connected by furin sensitive linkers, and the E.
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39 |
24790791
|
The selected epitope modified minigenes (EMM) delivered by DNA-EGT were able to break immune tolerance in CEA/HHD mice and induce a strong immune response against all epitopes tested, independently of their relative positions within the scaffold.
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40 |
25869226
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Xenovaccination with rhCEA resulted in the activation of CD4+ T-cell responses in addition to self-reactive CD8+ T-cells, the development of high-titer antibodies against hCEA, and significant antitumor effects upon challenge with hCEA+ tumor cells.
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41 |
25869226
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The superior activity of rhCEAopt compared with hCEAopt was confirmed in hCEA/HHD double-transgenic mice, where potent CD8+ T-cell responses against specific human HLA A*0201 hCEA epitopes were detected.
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