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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 : 000068

Expanded 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. Nabel

Source :

RBID : Pascal:09-0131147

Descripteurs français

English descriptors

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.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0022-538X
A03   1    @0 J. virol.
A05       @2 83
A06       @2 5
A08 01  1  ENG  @1 Expanded Breadth of the T-Cell Response to Mosaic Human Immunodeficiency Virus Type 1 Envelope DNA Vaccination
A11 01  1    @1 KONG (Wing-Pui)
A11 02  1    @1 LAN WU
A11 03  1    @1 WALLSTROM (Timothy C.)
A11 04  1    @1 FISCHER (Will)
A11 05  1    @1 YANG (Zhi-Yong)
A11 06  1    @1 KO (Sung-Youl)
A11 07  1    @1 LETVIN (Norman L.)
A11 08  1    @1 HAYNES (Barton F.)
A11 09  1    @1 HAHN (Beatrice H.)
A11 10  1    @1 KORBER (Bette)
A11 11  1    @1 NABEL (Gary J.)
A14 01      @1 Vaccine Research Center, NIAID, National Institutes of Health, Bldg. 40, Room 4502, MSC-3005, 40 Convent Drive @2 Bethesda, Maryland 20892-3005 @3 USA @Z 1 aut. @Z 2 aut. @Z 5 aut. @Z 6 aut. @Z 11 aut.
A14 02      @1 Los Alamos National Laboratory, MS K710, T-10 @2 Los Alamos, New Mexico 87545 @3 USA @Z 3 aut. @Z 4 aut. @Z 10 aut.
A14 03      @1 Division of Viral Pathogenesis, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, RE113, P.O. Box 15732 @2 Boston, Massachusetts 021153 @3 USA @Z 7 aut.
A14 04      @1 Duke Human Vaccine Institute, Duke University Medical Center, MSRBII Building Room 4085, P.O. Box 103020, Research Drive @2 Durham, North Carolina 27710 @3 USA @Z 8 aut.
A14 05      @1 Department of Medicine, University of Alabama at Birmingham, Kaul 816, 720 20th Street South @2 Birmingham, Alabama 35294 @3 USA @Z 9 aut.
A14 06      @1 Santa Fe Institute, 1399 Hyde Park Road @2 Santa Fe, New Mexico 87501 @3 USA @Z 10 aut.
A20       @1 2201-2215
A21       @1 2009
A23 01      @0 ENG
A43 01      @1 INIST @2 13592 @5 354000187296090140
A44       @0 0000 @1 © 2009 INIST-CNRS. All rights reserved.
A45       @0 58 ref.
A47 01  1    @0 09-0131147
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of virology
A66 01      @0 USA
C01 01    ENG  @0 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.
C02 01  X    @0 002A05C10
C03 01  X  FRE  @0 Virus HIV1 @2 NW @5 01
C03 01  X  ENG  @0 HIV-1 virus @2 NW @5 01
C03 01  X  SPA  @0 HIV-1 virus @2 NW @5 01
C03 02  X  FRE  @0 Immunité cellulaire @5 05
C03 02  X  ENG  @0 Cellular immunity @5 05
C03 02  X  SPA  @0 Inmunidad celular @5 05
C03 03  X  FRE  @0 Vaccin génétique @5 06
C03 03  X  ENG  @0 Genetic vaccine @5 06
C03 03  X  SPA  @0 Vacuna genética @5 06
C03 04  X  FRE  @0 Virologie @5 07
C03 04  X  ENG  @0 Virology @5 07
C03 04  X  SPA  @0 Virología @5 07
C03 05  X  FRE  @0 SIDA @5 14
C03 05  X  ENG  @0 AIDS @5 14
C03 05  X  SPA  @0 SIDA @5 14
C07 01  X  FRE  @0 Virus immunodéficience humaine @2 NW
C07 01  X  ENG  @0 Human immunodeficiency virus @2 NW
C07 01  X  SPA  @0 Human immunodeficiency virus @2 NW
C07 02  X  FRE  @0 Lentivirus @2 NW
C07 02  X  ENG  @0 Lentivirus @2 NW
C07 02  X  SPA  @0 Lentivirus @2 NW
C07 03  X  FRE  @0 Retroviridae @2 NW
C07 03  X  ENG  @0 Retroviridae @2 NW
C07 03  X  SPA  @0 Retroviridae @2 NW
C07 04  X  FRE  @0 Virus @2 NW
C07 04  X  ENG  @0 Virus @2 NW
C07 04  X  SPA  @0 Virus @2 NW
C07 05  X  FRE  @0 Immunodéficit @5 13
C07 05  X  ENG  @0 Immune deficiency @5 13
C07 05  X  SPA  @0 Inmunodeficiencia @5 13
C07 06  X  FRE  @0 Virose
C07 06  X  ENG  @0 Viral disease
C07 06  X  SPA  @0 Virosis
C07 07  X  FRE  @0 Infection
C07 07  X  ENG  @0 Infection
C07 07  X  SPA  @0 Infección
C07 08  X  FRE  @0 Immunopathologie @5 17
C07 08  X  ENG  @0 Immunopathology @5 17
C07 08  X  SPA  @0 Inmunopatología @5 17
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N44 01      @1 OTO
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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:09-0131147

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<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>
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<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>
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<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>
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<SD>HIV-1 virus; Inmunidad celular; Vacuna genética; Virología; SIDA</SD>
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