Expanded Breadth of the T-Cell Response to Mosaic Human Immunodeficiency Virus Type 1 Envelope DNA Vaccination
Identifieur interne : 000067 ( PascalFrancis/Corpus ); précédent : 000066; suivant : 000068Expanded Breadth of the T-Cell Response to Mosaic Human Immunodeficiency Virus Type 1 Envelope DNA Vaccination
Auteurs : Wing-Pui Kong ; LAN WU ; Timothy C. Wallstrom ; Will Fischer ; Zhi-Yong Yang ; Sung-Youl Ko ; Norman L. Letvin ; Barton F. Haynes ; Beatrice H. Hahn ; Bette Korber ; Gary J. NabelSource :
- Journal of virology [ 0022-538X ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
An effective AIDS vaccine must control highly diverse circulating strains of human immunodeficiency virus type 1 (HIV-1). Among HIV-1 gene products, the envelope (Env) protein contains variable as well as conserved regions. In this report, an informatic approach to the design of T-cell vaccines directed to HIV-1 Env M group global sequences was tested. Synthetic Env antigens were designed to express mosaics that maximize the inclusion of common potential T-cell epitope (PTE) 9-mers and minimize the inclusion of rare epitopes likely to elicit strain-specific responses. DNA vaccines were evaluated using intracellular cytokine staining in inbred mice with a standardized panel of highly conserved 15-mer PTE peptides. One-, two-, and three-mosaic sets that increased theoretical epitope coverage were developed. The breadth and magnitude of T-cell immunity stimulated by these vaccines were compared to those for natural strain Envs; additional comparisons were performed on mutant Envs, including gp160 or gp145 with or without V regions and gp41 deletions. Among them, the two- or three-mosaic Env sets elicited the optimal CD4 and CD8 responses. These responses were most evident in CD8 T cells; the three-mosaic set elicited responses to an average of eight peptide pools, compared to two pools for a set of three natural Envs. Synthetic mosaic HIV-1 antigens can therefore induce T-cell responses with expanded breadth and may facilitate the development of effective T-cell-based HIV-1 vaccines.
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Pour connaître la documentation sur le format Inist Standard.
pA |
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Format Inist (serveur)
NO : | PASCAL 09-0131147 INIST |
---|---|
ET : | Expanded Breadth of the T-Cell Response to Mosaic Human Immunodeficiency Virus Type 1 Envelope DNA Vaccination |
AU : | KONG (Wing-Pui); LAN WU; WALLSTROM (Timothy C.); FISCHER (Will); YANG (Zhi-Yong); KO (Sung-Youl); LETVIN (Norman L.); HAYNES (Barton F.); HAHN (Beatrice H.); KORBER (Bette); NABEL (Gary J.) |
AF : | Vaccine Research Center, NIAID, National Institutes of Health, Bldg. 40, Room 4502, MSC-3005, 40 Convent Drive/Bethesda, Maryland 20892-3005/Etats-Unis (1 aut., 2 aut., 5 aut., 6 aut., 11 aut.); Los Alamos National Laboratory, MS K710, T-10/Los Alamos, New Mexico 87545/Etats-Unis (3 aut., 4 aut., 10 aut.); Division of Viral Pathogenesis, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, RE113, P.O. Box 15732/Boston, Massachusetts 021153/Etats-Unis (7 aut.); Duke Human Vaccine Institute, Duke University Medical Center, MSRBII Building Room 4085, P.O. Box 103020, Research Drive/Durham, North Carolina 27710/Etats-Unis (8 aut.); Department of Medicine, University of Alabama at Birmingham, Kaul 816, 720 20th Street South/Birmingham, Alabama 35294/Etats-Unis (9 aut.); Santa Fe Institute, 1399 Hyde Park Road/Santa Fe, New Mexico 87501/Etats-Unis (10 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Journal of virology; ISSN 0022-538X; Etats-Unis; Da. 2009; Vol. 83; No. 5; Pp. 2201-2215; Bibl. 58 ref. |
LA : | Anglais |
EA : | An effective AIDS vaccine must control highly diverse circulating strains of human immunodeficiency virus type 1 (HIV-1). Among HIV-1 gene products, the envelope (Env) protein contains variable as well as conserved regions. In this report, an informatic approach to the design of T-cell vaccines directed to HIV-1 Env M group global sequences was tested. Synthetic Env antigens were designed to express mosaics that maximize the inclusion of common potential T-cell epitope (PTE) 9-mers and minimize the inclusion of rare epitopes likely to elicit strain-specific responses. DNA vaccines were evaluated using intracellular cytokine staining in inbred mice with a standardized panel of highly conserved 15-mer PTE peptides. One-, two-, and three-mosaic sets that increased theoretical epitope coverage were developed. The breadth and magnitude of T-cell immunity stimulated by these vaccines were compared to those for natural strain Envs; additional comparisons were performed on mutant Envs, including gp160 or gp145 with or without V regions and gp41 deletions. Among them, the two- or three-mosaic Env sets elicited the optimal CD4 and CD8 responses. These responses were most evident in CD8 T cells; the three-mosaic set elicited responses to an average of eight peptide pools, compared to two pools for a set of three natural Envs. Synthetic mosaic HIV-1 antigens can therefore induce T-cell responses with expanded breadth and may facilitate the development of effective T-cell-based HIV-1 vaccines. |
CC : | 002A05C10 |
FD : | Virus HIV1; Immunité cellulaire; Vaccin génétique; Virologie; SIDA |
FG : | Virus immunodéficience humaine; Lentivirus; Retroviridae; Virus; Immunodéficit; Virose; Infection; Immunopathologie |
ED : | HIV-1 virus; Cellular immunity; Genetic vaccine; Virology; AIDS |
EG : | Human immunodeficiency virus; Lentivirus; Retroviridae; Virus; Immune deficiency; Viral disease; Infection; Immunopathology |
SD : | HIV-1 virus; Inmunidad celular; Vacuna genética; Virología; SIDA |
LO : | INIST-13592.354000187296090140 |
ID : | 09-0131147 |
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Pascal:09-0131147Le document en format XML
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<series><title level="j" type="main">Journal of virology</title>
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<term>HIV-1 virus</term>
<term>Virology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Virus HIV1</term>
<term>Immunité cellulaire</term>
<term>Vaccin génétique</term>
<term>Virologie</term>
<term>SIDA</term>
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<front><div type="abstract" xml:lang="en">An effective AIDS vaccine must control highly diverse circulating strains of human immunodeficiency virus type 1 (HIV-1). Among HIV-1 gene products, the envelope (Env) protein contains variable as well as conserved regions. In this report, an informatic approach to the design of T-cell vaccines directed to HIV-1 Env M group global sequences was tested. Synthetic Env antigens were designed to express mosaics that maximize the inclusion of common potential T-cell epitope (PTE) 9-mers and minimize the inclusion of rare epitopes likely to elicit strain-specific responses. DNA vaccines were evaluated using intracellular cytokine staining in inbred mice with a standardized panel of highly conserved 15-mer PTE peptides. One-, two-, and three-mosaic sets that increased theoretical epitope coverage were developed. The breadth and magnitude of T-cell immunity stimulated by these vaccines were compared to those for natural strain Envs; additional comparisons were performed on mutant Envs, including gp160 or gp145 with or without V regions and gp41 deletions. Among them, the two- or three-mosaic Env sets elicited the optimal CD4 and CD8 responses. These responses were most evident in CD8 T cells; the three-mosaic set elicited responses to an average of eight peptide pools, compared to two pools for a set of three natural Envs. Synthetic mosaic HIV-1 antigens can therefore induce T-cell responses with expanded breadth and may facilitate the development of effective T-cell-based HIV-1 vaccines.</div>
</front>
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<fA11 i1="01" i2="1"><s1>KONG (Wing-Pui)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>LAN WU</s1>
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<fA11 i1="03" i2="1"><s1>WALLSTROM (Timothy C.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>FISCHER (Will)</s1>
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<fA11 i1="05" i2="1"><s1>YANG (Zhi-Yong)</s1>
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<fA11 i1="06" i2="1"><s1>KO (Sung-Youl)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>LETVIN (Norman L.)</s1>
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<fA11 i1="08" i2="1"><s1>HAYNES (Barton F.)</s1>
</fA11>
<fA11 i1="09" i2="1"><s1>HAHN (Beatrice H.)</s1>
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<fA11 i1="10" i2="1"><s1>KORBER (Bette)</s1>
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<fA11 i1="11" i2="1"><s1>NABEL (Gary J.)</s1>
</fA11>
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<s2>Bethesda, Maryland 20892-3005</s2>
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<fA14 i1="02"><s1>Los Alamos National Laboratory, MS K710, T-10</s1>
<s2>Los Alamos, New Mexico 87545</s2>
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<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>10 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Division of Viral Pathogenesis, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, RE113, P.O. Box 15732</s1>
<s2>Boston, Massachusetts 021153</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Duke Human Vaccine Institute, Duke University Medical Center, MSRBII Building Room 4085, P.O. Box 103020, Research Drive</s1>
<s2>Durham, North Carolina 27710</s2>
<s3>USA</s3>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>Department of Medicine, University of Alabama at Birmingham, Kaul 816, 720 20th Street South</s1>
<s2>Birmingham, Alabama 35294</s2>
<s3>USA</s3>
<sZ>9 aut.</sZ>
</fA14>
<fA14 i1="06"><s1>Santa Fe Institute, 1399 Hyde Park Road</s1>
<s2>Santa Fe, New Mexico 87501</s2>
<s3>USA</s3>
<sZ>10 aut.</sZ>
</fA14>
<fA20><s1>2201-2215</s1>
</fA20>
<fA21><s1>2009</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
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<fA43 i1="01"><s1>INIST</s1>
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<s1>© 2009 INIST-CNRS. All rights reserved.</s1>
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<fA45><s0>58 ref.</s0>
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<fA47 i1="01" i2="1"><s0>09-0131147</s0>
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<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
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<fA64 i1="01" i2="1"><s0>Journal of virology</s0>
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<fA66 i1="01"><s0>USA</s0>
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<fC01 i1="01" l="ENG"><s0>An effective AIDS vaccine must control highly diverse circulating strains of human immunodeficiency virus type 1 (HIV-1). Among HIV-1 gene products, the envelope (Env) protein contains variable as well as conserved regions. In this report, an informatic approach to the design of T-cell vaccines directed to HIV-1 Env M group global sequences was tested. Synthetic Env antigens were designed to express mosaics that maximize the inclusion of common potential T-cell epitope (PTE) 9-mers and minimize the inclusion of rare epitopes likely to elicit strain-specific responses. DNA vaccines were evaluated using intracellular cytokine staining in inbred mice with a standardized panel of highly conserved 15-mer PTE peptides. One-, two-, and three-mosaic sets that increased theoretical epitope coverage were developed. The breadth and magnitude of T-cell immunity stimulated by these vaccines were compared to those for natural strain Envs; additional comparisons were performed on mutant Envs, including gp160 or gp145 with or without V regions and gp41 deletions. Among them, the two- or three-mosaic Env sets elicited the optimal CD4 and CD8 responses. These responses were most evident in CD8 T cells; the three-mosaic set elicited responses to an average of eight peptide pools, compared to two pools for a set of three natural Envs. Synthetic mosaic HIV-1 antigens can therefore induce T-cell responses with expanded breadth and may facilitate the development of effective T-cell-based HIV-1 vaccines.</s0>
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<s2>NW</s2>
<s5>01</s5>
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<fC03 i1="01" i2="X" l="ENG"><s0>HIV-1 virus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
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<s2>NW</s2>
<s5>01</s5>
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<s5>05</s5>
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<s5>05</s5>
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<s5>05</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>06</s5>
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<fC03 i1="04" i2="X" l="FRE"><s0>Virologie</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Virology</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Virología</s0>
<s5>07</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>SIDA</s0>
<s5>14</s5>
</fC03>
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<s5>14</s5>
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<fC03 i1="05" i2="X" l="SPA"><s0>SIDA</s0>
<s5>14</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Virus immunodéficience humaine</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Human immunodeficiency virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Human immunodeficiency virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Lentivirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Lentivirus</s0>
<s2>NW</s2>
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<fC07 i1="02" i2="X" l="SPA"><s0>Lentivirus</s0>
<s2>NW</s2>
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<s2>NW</s2>
</fC07>
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<s2>NW</s2>
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<s2>NW</s2>
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<fC07 i1="04" i2="X" l="FRE"><s0>Virus</s0>
<s2>NW</s2>
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<fC07 i1="04" i2="X" l="ENG"><s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Immunodéficit</s0>
<s5>13</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Immune deficiency</s0>
<s5>13</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Inmunodeficiencia</s0>
<s5>13</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Virose</s0>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Viral disease</s0>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Virosis</s0>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Infection</s0>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Infection</s0>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Infección</s0>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Immunopathologie</s0>
<s5>17</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Immunopathology</s0>
<s5>17</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Inmunopatología</s0>
<s5>17</s5>
</fC07>
<fN21><s1>089</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
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<server><NO>PASCAL 09-0131147 INIST</NO>
<ET>Expanded Breadth of the T-Cell Response to Mosaic Human Immunodeficiency Virus Type 1 Envelope DNA Vaccination</ET>
<AU>KONG (Wing-Pui); LAN WU; WALLSTROM (Timothy C.); FISCHER (Will); YANG (Zhi-Yong); KO (Sung-Youl); LETVIN (Norman L.); HAYNES (Barton F.); HAHN (Beatrice H.); KORBER (Bette); NABEL (Gary J.)</AU>
<AF>Vaccine Research Center, NIAID, National Institutes of Health, Bldg. 40, Room 4502, MSC-3005, 40 Convent Drive/Bethesda, Maryland 20892-3005/Etats-Unis (1 aut., 2 aut., 5 aut., 6 aut., 11 aut.); Los Alamos National Laboratory, MS K710, T-10/Los Alamos, New Mexico 87545/Etats-Unis (3 aut., 4 aut., 10 aut.); Division of Viral Pathogenesis, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, RE113, P.O. Box 15732/Boston, Massachusetts 021153/Etats-Unis (7 aut.); Duke Human Vaccine Institute, Duke University Medical Center, MSRBII Building Room 4085, P.O. Box 103020, Research Drive/Durham, North Carolina 27710/Etats-Unis (8 aut.); Department of Medicine, University of Alabama at Birmingham, Kaul 816, 720 20th Street South/Birmingham, Alabama 35294/Etats-Unis (9 aut.); Santa Fe Institute, 1399 Hyde Park Road/Santa Fe, New Mexico 87501/Etats-Unis (10 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of virology; ISSN 0022-538X; Etats-Unis; Da. 2009; Vol. 83; No. 5; Pp. 2201-2215; Bibl. 58 ref.</SO>
<LA>Anglais</LA>
<EA>An effective AIDS vaccine must control highly diverse circulating strains of human immunodeficiency virus type 1 (HIV-1). Among HIV-1 gene products, the envelope (Env) protein contains variable as well as conserved regions. In this report, an informatic approach to the design of T-cell vaccines directed to HIV-1 Env M group global sequences was tested. Synthetic Env antigens were designed to express mosaics that maximize the inclusion of common potential T-cell epitope (PTE) 9-mers and minimize the inclusion of rare epitopes likely to elicit strain-specific responses. DNA vaccines were evaluated using intracellular cytokine staining in inbred mice with a standardized panel of highly conserved 15-mer PTE peptides. One-, two-, and three-mosaic sets that increased theoretical epitope coverage were developed. The breadth and magnitude of T-cell immunity stimulated by these vaccines were compared to those for natural strain Envs; additional comparisons were performed on mutant Envs, including gp160 or gp145 with or without V regions and gp41 deletions. Among them, the two- or three-mosaic Env sets elicited the optimal CD4 and CD8 responses. These responses were most evident in CD8 T cells; the three-mosaic set elicited responses to an average of eight peptide pools, compared to two pools for a set of three natural Envs. Synthetic mosaic HIV-1 antigens can therefore induce T-cell responses with expanded breadth and may facilitate the development of effective T-cell-based HIV-1 vaccines.</EA>
<CC>002A05C10</CC>
<FD>Virus HIV1; Immunité cellulaire; Vaccin génétique; Virologie; SIDA</FD>
<FG>Virus immunodéficience humaine; Lentivirus; Retroviridae; Virus; Immunodéficit; Virose; Infection; Immunopathologie</FG>
<ED>HIV-1 virus; Cellular immunity; Genetic vaccine; Virology; AIDS</ED>
<EG>Human immunodeficiency virus; Lentivirus; Retroviridae; Virus; Immune deficiency; Viral disease; Infection; Immunopathology</EG>
<SD>HIV-1 virus; Inmunidad celular; Vacuna genética; Virología; SIDA</SD>
<LO>INIST-13592.354000187296090140</LO>
<ID>09-0131147</ID>
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