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rOv-ASP-1, a recombinant secreted protein of the helminth onchocerca volvulus, is a potent adjuvant for inducing antibodies to ovalbumin, HIV-1 polypeptide and SARS-CoV peptide antigens

Identifieur interne : 004D28 ( Main/Exploration ); précédent : 004D27; suivant : 004D29

rOv-ASP-1, a recombinant secreted protein of the helminth onchocerca volvulus, is a potent adjuvant for inducing antibodies to ovalbumin, HIV-1 polypeptide and SARS-CoV peptide antigens

Auteurs : Angus J. Macdonald [États-Unis] ; LONG CAO [États-Unis] ; YUXIAN HE [États-Unis] ; QIAN ZHAO [États-Unis] ; SHIBO JIANG [États-Unis] ; Sara Lustigman [États-Unis]

Source :

RBID : Pascal:06-0185963

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English descriptors

Abstract

We studied the adjuvanticity of recombinant Onchocerca volvulus activation associated protein-1 (rOv-ASP-1) for ovalbumin (OVA) in mice. After a single immunization and one boost, rOv-ASP-1 exceeded the efficacy of alum or MPL+TDM adjuvants in terms of end-point total IgG or IgGI and IgG2a anti-OVA titres. Using the helminth-derived adjuvant, IgG isotype responses to OVA were of a mixed Thl/Th2 profile and spleen cell cytokines exclusively Th1-type. The potent adjuvanticity of rOv-ASP-1 was confirmed in mice vaccinated with a 37-mer peptide from the S protein ofSARS-CoV and an HIV-1 gp120-CD4 chimeric polypeptide antigen. Unusually for a helminth product, the rOr-ASP-1 adjuvant augmented not only Th2 but also Th 1 responses, the latter property being of potential utility in stimulating anti-viral immune responses.


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Le document en format XML

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<term>Adjuvants, Immunologic (pharmacology)</term>
<term>Animals</term>
<term>Antibody</term>
<term>Antigen</term>
<term>Antigens, Helminth (administration & dosage)</term>
<term>Antigens, Helminth (genetics)</term>
<term>Antigens, Helminth (immunology)</term>
<term>Antigens, Helminth (pharmacology)</term>
<term>HIV-1 (drug effects)</term>
<term>HIV-1 (immunology)</term>
<term>HIV-1 virus</term>
<term>Helminth Proteins (pharmacology)</term>
<term>Helmintha</term>
<term>Immunological adjuvant</term>
<term>Mice</term>
<term>Onchocerca volvulus</term>
<term>Ovalbumin</term>
<term>Ovalbumin (chemistry)</term>
<term>Ovalbumin (immunology)</term>
<term>Peptides</term>
<term>Polypeptide</term>
<term>Recombinant Proteins (immunology)</term>
<term>Recombinant Proteins (pharmacology)</term>
<term>Recombinant protein</term>
<term>SARS Virus (drug effects)</term>
<term>SARS Virus (immunology)</term>
<term>Secretion</term>
<term>Secretory Vesicles (metabolism)</term>
<term>Severe acute respiratory syndrome</term>
<term>T-Lymphocyte</term>
<term>Th1 Cells (immunology)</term>
<term>Th1 lymphocyte</term>
<term>Th2 Cells (immunology)</term>
<term>Th2 lymphocyte</term>
<term>Vaccines, Synthetic (administration & dosage)</term>
<term>Vaccines, Synthetic (immunology)</term>
</keywords>
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<term>Adjuvants immunologiques (pharmacologie)</term>
<term>Animaux</term>
<term>Antigènes d'helminthe (administration et posologie)</term>
<term>Antigènes d'helminthe (génétique)</term>
<term>Antigènes d'helminthe (immunologie)</term>
<term>Antigènes d'helminthe (pharmacologie)</term>
<term>Lymphocytes auxiliaires Th1 (immunologie)</term>
<term>Lymphocytes auxiliaires Th2 (immunologie)</term>
<term>Ovalbumine ()</term>
<term>Ovalbumine (immunologie)</term>
<term>Protéines d'helminthes (pharmacologie)</term>
<term>Protéines recombinantes (immunologie)</term>
<term>Protéines recombinantes (pharmacologie)</term>
<term>Souris</term>
<term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1) ()</term>
<term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1) (immunologie)</term>
<term>Vaccins synthétiques (administration et posologie)</term>
<term>Vaccins synthétiques (immunologie)</term>
<term>Virus du SRAS ()</term>
<term>Virus du SRAS (immunologie)</term>
<term>Vésicules de sécrétion (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en">
<term>Antigens, Helminth</term>
<term>Vaccines, Synthetic</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en">
<term>Ovalbumin</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en">
<term>Antigens, Helminth</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en">
<term>Antigens, Helminth</term>
<term>Ovalbumin</term>
<term>Recombinant Proteins</term>
<term>Vaccines, Synthetic</term>
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<term>Adjuvants, Immunologic</term>
<term>Antigens, Helminth</term>
<term>Helminth Proteins</term>
<term>Recombinant Proteins</term>
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<keywords scheme="MESH" qualifier="administration et posologie" xml:lang="fr">
<term>Antigènes d'helminthe</term>
<term>Vaccins synthétiques</term>
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<keywords scheme="MESH" qualifier="drug effects" xml:lang="en">
<term>HIV-1</term>
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr">
<term>Antigènes d'helminthe</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr">
<term>Antigènes d'helminthe</term>
<term>Lymphocytes auxiliaires Th1</term>
<term>Lymphocytes auxiliaires Th2</term>
<term>Ovalbumine</term>
<term>Protéines recombinantes</term>
<term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1)</term>
<term>Vaccins synthétiques</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="immunology" xml:lang="en">
<term>HIV-1</term>
<term>SARS Virus</term>
<term>Th1 Cells</term>
<term>Th2 Cells</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Secretory Vesicles</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr">
<term>Vésicules de sécrétion</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr">
<term>Adjuvants immunologiques</term>
<term>Antigènes d'helminthe</term>
<term>Protéines d'helminthes</term>
<term>Protéines recombinantes</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Animals</term>
<term>Mice</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Animaux</term>
<term>Helmintha</term>
<term>Onchocerca volvulus</term>
<term>Ovalbumine</term>
<term>Souris</term>
<term>VIH-1 (Virus de l'Immunodéficience Humaine de type 1)</term>
<term>Virus HIV1</term>
<term>Protéine recombinante</term>
<term>Sécrétion</term>
<term>Adjuvant immunologique</term>
<term>Anticorps</term>
<term>Ovalbumine</term>
<term>Polypeptide</term>
<term>Peptide</term>
<term>Antigène</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Lymphocyte T</term>
<term>Lymphocyte Th1</term>
<term>Lymphocyte Th2</term>
<term>Virus du SRAS</term>
</keywords>
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<front>
<div type="abstract" xml:lang="en">We studied the adjuvanticity of recombinant Onchocerca volvulus activation associated protein-1 (rOv-ASP-1) for ovalbumin (OVA) in mice. After a single immunization and one boost, rOv-ASP-1 exceeded the efficacy of alum or MPL+TDM adjuvants in terms of end-point total IgG or IgGI and IgG2a anti-OVA titres. Using the helminth-derived adjuvant, IgG isotype responses to OVA were of a mixed Thl/Th2 profile and spleen cell cytokines exclusively Th1-type. The potent adjuvanticity of rOv-ASP-1 was confirmed in mice vaccinated with a 37-mer peptide from the S protein ofSARS-CoV and an HIV-1 gp120-CD4 chimeric polypeptide antigen. Unusually for a helminth product, the rOr-ASP-1 adjuvant augmented not only Th2 but also Th 1 responses, the latter property being of potential utility in stimulating anti-viral immune responses.</div>
</front>
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<name sortKey="Qian Zhao" sort="Qian Zhao" uniqKey="Qian Zhao" last="Qian Zhao">QIAN ZHAO</name>
<name sortKey="Shibo Jiang" sort="Shibo Jiang" uniqKey="Shibo Jiang" last="Shibo Jiang">SHIBO JIANG</name>
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