Humoral, mucosal, and cellular immune responses to oral Norwalk virus-like particles in volunteers

Norwalk virus-like particles (VLPs), made from recombinant capsid protein, are a promising vaccine. Thirty-six healthy adult volunteers received 250 microg (n = 10), 500 microg (n = 10), or 2000 microg (n = 10) of orally administered VLP or placebo (n = 6). All vaccinees developed significant rises...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 108(2003), 3 vom: 19. Sept., Seite 241-7
1. Verfasser: Tacket, Carol O (VerfasserIn)
Weitere Verfasser: Sztein, Marcelo B, Losonsky, Genevieve A, Wasserman, Steven S, Estes, Mary K
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Clinical Trial Journal Article Research Support, U.S. Gov't, P.H.S. Antibodies, Viral Immunoglobulin A, Secretory Immunoglobulin G Vaccines, Synthetic Viral Vaccines Interferon-gamma 82115-62-6
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245 1 0 |a Humoral, mucosal, and cellular immune responses to oral Norwalk virus-like particles in volunteers 
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520 |a Norwalk virus-like particles (VLPs), made from recombinant capsid protein, are a promising vaccine. Thirty-six healthy adult volunteers received 250 microg (n = 10), 500 microg (n = 10), or 2000 microg (n = 10) of orally administered VLP or placebo (n = 6). All vaccinees developed significant rises in IgA anti-VLP antibody-secreting cells. Ninety percent who received 250 microg developed rises in serum anti-VLP IgG; neither the rates of seroconversion nor geometric mean titers increased at the higher doses. About 30-40% of volunteers developed mucosal anti-VLP IgA. Lymphoproliferative responses and IFN-gamma production were observed transiently among those who received 250 microg or 500 microg but not 2000 microg of VLP. Studies to increase immunogenicity using a mucosal adjuvant are planned 
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650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, P.H.S. 
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650 7 |a Immunoglobulin A, Secretory  |2 NLM 
650 7 |a Immunoglobulin G  |2 NLM 
650 7 |a Vaccines, Synthetic  |2 NLM 
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700 1 |a Sztein, Marcelo B  |e verfasserin  |4 aut 
700 1 |a Losonsky, Genevieve A  |e verfasserin  |4 aut 
700 1 |a Wasserman, Steven S  |e verfasserin  |4 aut 
700 1 |a Estes, Mary K  |e verfasserin  |4 aut 
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