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PMID |
Sentence |
1 |
1708512
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Human red blood cells (RBC) were infected with the malarial parasite Plasmodium falciparum, the anchoring of schizont proteins to RBC membranes by glycoinositol phospholipids was demonstrated by three criteria: (1) metabolic incorporation of 3H-ethanolamine and 3H-myristate into the protein; (2) release of 35S-methionine-labelled protein into the supernatant after incubation with phosphatidylinositol-specific phospholipase C; and (3) the exposure of a glycoinositol phosphate epitope on the methionine-labelled protein following phospholipase C cleavage.
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2 |
1708512
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These included 3 possible vaccine candidates, the p190 major surface antigen, the p76 serine protease and the p71 protein which is thought to be a member of the family of heat-shock Hsp70 proteins.
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3 |
3480520
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This conclusion is supported by analysis of the products of nitrous acid deamination, HF hydrolysis, and Staphylococcus aureus phosphatidylinositol specific-phospholipase C treatment.
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4 |
7499830
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Glycosylphosphatidylinositol (GPI)-modified variants of murine B7-1 and B7-2 cell surface costimulators were produced via chimerization with alternative GPI-modification signal sequences from decay-accelerating factor (DAF).
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5 |
7499830
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GPI anchorage was verified by demonstrating phosphatidylinositol-specific phospholipase C (PI-PLC) sensitivity of the chimeric polypeptides in both immunofluorescence/flow-cytometric and immunoprecipitation analyses.
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6 |
7499830
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The various GPI-modified chimeric B7-1:DAF and B7-2:DAF polypeptides were shown to retain costimulator function, in both an in vitro proliferation assay and an in vivo triggering of cytotoxicity assay.
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7 |
7499830
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Moreover, the functionality of the GPI-modified variants in enhancing the immunogenicity of the murine T lymphoma line EL-4 suggests a novel route for generating APC-centered immunotherapeutics, including cellular cancer vaccines, that is based upon protein transfer of GPI-modified costimulators.
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8 |
8710924
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It was previously shown that the Haemonchus contortus apical gut surface proteins p46, p52, and p100 induced protective immunity to challenge infections in goats.
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9 |
8710924
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However, both p46GA1 and p52GA1 were released from the gut membrane by phosphatidylinositol specific-phospholipase C, suggesting that p46GA1 membrane association depends on interactions with a glycosylinositolphospholipid gut membrane protein.
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10 |
12423932
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Except for the recombinant lacking the 147 C-terminal residues, three other rNcSRS2 were detected in the supernatants after treatment with phosphatidylinositol-specific phospholipase C.
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11 |
24642346
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We show that cleavage of GPI-anchored antigens from the merozoite parasite stage by phosphatidylinositol-specific phospholipase C abolished invasion of erythrocytes demonstrating the importance of this class of molecules for parasite propagation.
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