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PMID |
Sentence |
1 |
1379185
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Here we show that infection of B cell lines as APC with viruses of two different families, namely, influenza A or vaccinia, completely block processing and presentation of an exogenous globular protein antigen pigeon cytochrome c.
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2 |
1379185
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Only live infectious virus, not UV-inactivated virus blocks APC function, indicating that there is no competition of viral particles with cytochrome c for the class II processing machinery.
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3 |
1379185
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Here we show that infection of B cell lines as APC with viruses of two different families, namely, influenza A or vaccinia, completely block processing and presentation of an exogenous globular protein antigen pigeon cytochrome c.
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4 |
1379185
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Only live infectious virus, not UV-inactivated virus blocks APC function, indicating that there is no competition of viral particles with cytochrome c for the class II processing machinery.
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5 |
1704034
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Peptide regions crucial for binding to four different DR alleles (DR1, DR2, DR5, and DR52a) have been localized in five unrelated DR binding peptides (dynorphin 1-13, sperm whale myoglobin 132-153, influenza hemagglutinin 307-319, pigeon cytochrome c 88-104, and tetanus toxoid 830-843) by testing panels of truncated analogs for DR binding.
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6 |
1708369
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Immunization experiments in guinea pigs with the synthetic hybrids led to surprisingly strong immune responses with anti-little-gastrin antibody titers comparable to those induced by the iso-1-cytochrome c/little-gastrin-[2-17] conjugate as carrier-hapten system.
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7 |
1708369
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Additionally, the gastrin receptor-like specificity of the antibodies indicates that both the synthetic hybrids and the cytochrome c conjugate allow for expression of a little-gastrin-specific conformational epitope similar to the bioactive structure of this hormone.
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8 |
1708369
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Immunization experiments in guinea pigs with the synthetic hybrids led to surprisingly strong immune responses with anti-little-gastrin antibody titers comparable to those induced by the iso-1-cytochrome c/little-gastrin-[2-17] conjugate as carrier-hapten system.
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9 |
1708369
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Additionally, the gastrin receptor-like specificity of the antibodies indicates that both the synthetic hybrids and the cytochrome c conjugate allow for expression of a little-gastrin-specific conformational epitope similar to the bioactive structure of this hormone.
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10 |
2427378
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The immunogenicity of several small monomeric protein antigens - lysozyme, myoglobin, cytochrome c and insulin - has been intensely studied during the past decade to try to learn the rules of the game.
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11 |
7682069
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Administration of alpha 2-macroglobulin-cytochrome c conjugate induced high concentrations of antibodies against cytochrome c in mice.
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12 |
11072901
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In addition, 5 clones were isolated, 1 of which had significant homology to many cytochrome C proteins, another with leukocyte elastase inhibitors and 3 which represented novel molecules.
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13 |
12140745
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Apoptosis was associated with depolarization of mitochondrial membrane, release of cytochrome c and apoptosis inducing factor (AIF) from the mitochondria, and activation of caspase-9 and caspase-3, but not of caspase-8.
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14 |
12140745
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In addition, thimerosal in a concentration-dependent manner inhibited the expression of XIAP, cIAP-1 but did not influence cIAP-2 expression.
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15 |
12140745
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Finally, exogenous glutathione protected T cells from thimerosal-induced apoptosis by upregulation of XIAP and cIAP1 and by inhibiting activation of both caspase-9 and caspase-3.
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16 |
12817004
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Expansion of clonal populations of Ag (OVA and pigeon cytochrome c-specific) CD4(+) T cells was limited at higher precursor frequencies, presumably reflecting intraclonal competition.
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17 |
12817004
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In contrast, a strong enhancement of the number of cells expressing IFN-gamma, IL-4, and IL-2 was observed in populations of cells at low precursor frequency in the presence of a high frequency of activated cells of a different Ag specificity.
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18 |
14633722
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We reported previously that a 16-amino acid peptide analogue derived from pigeon cytochrome c can bind broad ranges of MHC class II types and activate helper T cells in mice.
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19 |
14633722
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Furthermore, immunofluorescent study of the inoculated tumors revealed increased accumulation of both CD4- and CD8-positive T cells producing IFN-gamma in the tumor only by this vaccine protocol.
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20 |
15193412
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Immunization for the treatment of cancer requires an adjuvant, a source of tumor-associated antigen(s), for example apoptotic cancer cells, and a way to overcome the escape of tumor cells from the immune system, for example the up-regulation of Fas ligand (FasL) on the surface of cancer cells.
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21 |
15193412
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The results show that phosphodiester 5'G3AG23' and 5'G3TG23' oligonucleotides have a direct activity on a number of different cancer cells by inducing apoptosis (release of cytochrome C, activation of caspase-3, cleavage of poly [ADP-ribose] polymerase, degradation of nuclear mitotic apparatus protein and translocation of phophatidylserine at the cell surface).
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22 |
15307175
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After priming of CD4 T cells from AND-TCR (Vbeta3, Valpha11)-transgenic mice with a high dose of pigeon cytochrome c peptide 88-104, the cell expansion rate was significantly reduced by marked clonal elimination compared to lower Ag doses, whereas the number of cell divisions reached was similar at all Ag doses.
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23 |
15869795
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Cytochrome c was shown to leak from the mitochondria, followed by caspase 9 cleavage within 8 h of treatment.
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24 |
15869795
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In addition, poly(ADP-ribose) polymerase (PARP) was cleaved to form a 85 kDa fragment following maximal caspase 3 activation at 24 h.
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25 |
16224554
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H. pylori cells require hemic iron for their growth; an appreciable increment in biomass was ensured by hemoglobin, but not simpler hemocontaining compounds (hemin and cytochrome C).
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26 |
20130137
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The PI3K/Akt pathway inhibits influenza A virus-induced Bax-mediated apoptosis by negatively regulating the JNK pathway via ASK1.
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27 |
20130137
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It has previously been reported that influenza A virus infection activates the phosphatidylinositol 3-kinase (PI3K)/Akt pathway.
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28 |
20130137
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In addition, it has been shown that the mutant influenza A virus PR8-SH3-mf-1, which is unable to activate the PI3K/Akt pathway, is more pro-apoptotic than the wild-type (WT) virus.
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29 |
20130137
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Here, it is reported that, although both WT and PR8-SH3-mf-1 viruses induced apoptosis, the PR8-SH3-mf-1 virus consistently showed greater potential to induce mitochondrial membrane disruption, cytochrome c release, and translocation and conformational change of Bax than the WT virus.
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30 |
20130137
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Furthermore, the PR8-SH3-mf-1 virus was unable to phosphorylate apoptosis signal-regulating kinase 1 (ASK1) but induced higher levels of c-jun N-terminal kinase (JNK) phosphorylation than the WT virus.
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31 |
20130137
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Blocking JNK activity could inhibit virus-induced Bax activation and apoptosis.
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32 |
20130137
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These results reveal that, during influenza A virus infection, the PI3K/Akt pathway negatively regulates the JNK pathway via ASK1, thereby inhibiting JNK-dependent, Bax-mediated apoptosis.
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33 |
21347304
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It is demonstrated that the MIP cell-free supernatant induced apoptosis is mitochondria-mediated and caspase independent and involves mitochondrial translocation of Bax and subsequent release of AIF and cytochrome c from the mitochondria.
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34 |
22249285
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We report that hepatitis B vaccine exposure resulted in significant upregulation of the key genes encoding caspase 7, caspase 9, Inhibitor caspase-activated DNase (ICAD), Rho-associated coiled-coil containing protein kinase 1 (ROCK-1), and Apoptotic protease activating factor 1 (Apaf-1).
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35 |
22249285
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Upregulation of cleaved caspase 3,7 were detected by western blot in addition to Apaf-1 and caspase 9 expressions argues that cell death takes place via the intrinsic apoptotic pathway in which release of cytochrome c from the mitochondria triggers the assembly of a caspase activation complex.
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36 |
22473996
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We here demonstrate that M. bovis BCG triggers Toll-like receptor 2 (TLR2)-dependent microRNA-155 (miR-155) expression, which involves signaling cross talk among phosphatidylinositol 3-kinase (PI3K), protein kinase Cδ (PKCδ), and mitogen-activated protein kinases (MAPKs) and recruitment of NF-κB and c-ETS to miR-155 promoter.
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37 |
22473996
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Genetic and signaling perturbations presented the evidence that miR-155 regulates PKA signaling by directly targeting a negative regulator of PKA, protein kinase inhibitor alpha (PKI-α).
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38 |
22473996
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The miR-155-triggered activation of caspase-3, BAK1, and cytochrome c translocation involved signaling integration of MAPKs and epigenetic or posttranslational modification of histones or CREB.
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39 |
24350060
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Previously we demonstrated that live attenuated cattle vaccine strain Brucella abortus RB51 induces caspase-2-mediated and caspase-1-independent PCD of infected macrophages.
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40 |
24350060
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We also discovered that rough attenuated B. suis strain VTRS1 induces a caspase-2-mediated and caspase-1-independent proinflammatory cell death in infected macrophages, which was tentatively coined "caspase-2-mediated pyroptosis".
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41 |
24350060
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Caspase-2 regulated mitochondrial cytochrome c release and TNFα production, both of which are known to activate caspase-3 and caspase-8, respectively.
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42 |
24350060
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In addition to TNFα, RB51-induced caspase-1 and IL-1β production was also driven by caspase-2-mediated mitochondrial dysfunction.
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43 |
24350060
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Our data suggest that caspase-2 acts as an initiator caspase that mediates a novel RB51-induced hybrid cell death that simulates but differs from typical non-proinflammatory apoptosis and caspase-1-mediated proinflammatory pyroptosis.
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44 |
24350060
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Caspase-2 also regulated caspase-3 and -8 activation, as well as cell death in macrophages treated with each of the three reagents.
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45 |
24690681
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We report that ex-vivo exposure of quiescent or TCR-activated primary human T cells to thimerosal induced a dose-dependent apoptotic cell death associated with depolarization of mitochondrial membrane, generation of reactive oxygen species, cytochrome c release from the mitochondria and caspase-3 activation.
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46 |
24690681
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Moreover, exposure to non-toxic concentrations of thimerosal induced cell cycle arrest in G0/G1 phase of TCR-activated T cells, and inhibition of the release of proinflammatory cytokines such as IFN gamma, IL-1 beta, TNF alpha, IL-2, as well as the chemokine MCP1.
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47 |
25004098
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In this study we found that MV-Edm induced autophagy and sequestosome 1-mediated mitophagy leading to decreased cytochrome c release, which blocked the pro-apoptotic cascade in non-small cell lung cancer cells (NSCLCs).
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48 |
25550785
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Overexpression of GRIM-19, a mitochondrial respiratory chain complex I protein, suppresses hepatocellular carcinoma growth.
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49 |
25550785
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AKT1, pAKT1, cyclinD1, CDK4, PCNA, Bax, Bcl-2, cleaved caspase-9, cleaved caspase-3, and cytochrome C were detected by Western blot and immunofluorescence.
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50 |
25550785
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We also found that AKT1 expression and phosphorylation were regulated by the expression of GRIM-19.
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51 |
25550785
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Collectively, our study demonstrated that GRIM-19 overexpression suppressed HCC growth and downregulated AKT1 expression, suggesting that GRIM-19 might play a crucial role in hepatocarcinogenesis through negatively regulating the PI3K/AKT signaling pathway.
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52 |
25633898
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Finally, we discovered the over-expression of GRP78, ATF4, ATF6, PERK, eIF2α, CHOP, and cytochrome c (Cyt-c) but not IRE1, xbp-1, and caspase-3 in B.suis.S2 (HK)-attacked and B.suis.S2-infected cells, suggesting that the molecular mechanism of ER stress sensor activation by B.suis.S2 is basically concomitant with that by B.suis.S2 (HK) and that ER stress, especially the PERK pathway, plays an important role in the process of B.suis.S2 infecting EEC, which may, in part, explain the role of the uterus in the pathogenesis of B.suis.S2.
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