Induction of human cytomegalovirus (HCMV)-glycoprotein B (gB)-specific neutralizing antibody and phosphoprotein 65 (pp65)-specific cytotoxic T lymphocyte responses by naked DNA immunization

Plasmids expressing the human cytomegalovirus (HCMV) glycoprotein B (gB) (UL55) or phosphoprotein 65 (pp65) (UL83) were constructed and evaluated for their ability to induce immune responses in mice. The full-length gB as well as a truncated form expressing amino acids 1–680 of gB, and lacking the f...

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Veröffentlicht in:Vaccine 1999, Vol.17 (1), p.50-58
Hauptverfasser: Endresz, Valeria, Kari, Laszlo, Berencsi, Klara, Kari, Csaba, Gyulai, Zsofia, Jeney, Csaba, Pincus, Steve, Rodeck, Ulrich, Méric, Claude, Plotkin, Stanley A, Gönczöl, Eva
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container_end_page 58
container_issue 1
container_start_page 50
container_title Vaccine
container_volume 17
creator Endresz, Valeria
Kari, Laszlo
Berencsi, Klara
Kari, Csaba
Gyulai, Zsofia
Jeney, Csaba
Pincus, Steve
Rodeck, Ulrich
Méric, Claude
Plotkin, Stanley A
Gönczöl, Eva
description Plasmids expressing the human cytomegalovirus (HCMV) glycoprotein B (gB) (UL55) or phosphoprotein 65 (pp65) (UL83) were constructed and evaluated for their ability to induce immune responses in mice. The full-length gB as well as a truncated form expressing amino acids 1–680 of gB, and lacking the fragment encoding amino acids 681–907 including the transmembrane domain of gB (gB680) were evaluated. Immunization of mice with plasmids coding for gB or gB680 induced ELISA and neutralizing antibodies, with the highest titres in mice immunized with the gB680 plasmid. Mice immunized with the gB plasmid predominantly produced IgG2a gB-specific antibody, while the gB680 plasmid raised mostly IgG1 anti-gB antibody. Mice immunized with the pp65 plasmid developed pp65-specific cytotoxic T lymphocytes (CTL) and ELISA antibodies. Immunization with a mixture of both gB and pp65 plasmids raised antibodies to both proteins and pp65-specific CTL, indicating a lack of interference between these two plasmids. These results suggest that DNA immunization is a useful approach for vaccination against HCMV disease.
doi_str_mv 10.1016/S0264-410X(98)00145-5
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The full-length gB as well as a truncated form expressing amino acids 1–680 of gB, and lacking the fragment encoding amino acids 681–907 including the transmembrane domain of gB (gB680) were evaluated. Immunization of mice with plasmids coding for gB or gB680 induced ELISA and neutralizing antibodies, with the highest titres in mice immunized with the gB680 plasmid. Mice immunized with the gB plasmid predominantly produced IgG2a gB-specific antibody, while the gB680 plasmid raised mostly IgG1 anti-gB antibody. Mice immunized with the pp65 plasmid developed pp65-specific cytotoxic T lymphocytes (CTL) and ELISA antibodies. Immunization with a mixture of both gB and pp65 plasmids raised antibodies to both proteins and pp65-specific CTL, indicating a lack of interference between these two plasmids. These results suggest that DNA immunization is a useful approach for vaccination against HCMV disease.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>10078607</pmid><doi>10.1016/S0264-410X(98)00145-5</doi><tpages>9</tpages></addata></record>
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subjects Animals
Antibodies, Viral - biosynthesis
antibody
Antibody Specificity
Biological and medical sciences
CTL
Cytomegalovirus - immunology
Cytotoxicity, Immunologic
DNA immunization
Enzyme-Linked Immunosorbent Assay
Female
Fundamental and applied biological sciences. Psychology
HCMV
Human cytomegalovirus
Humans
Immunoglobulin G - biosynthesis
Immunoglobulin Isotypes - biosynthesis
Lymphocyte Activation
Membranes - metabolism
Mice
Mice, Inbred BALB C
Microbiology
Neutralization Tests
Phosphoproteins - genetics
Phosphoproteins - immunology
Plasmids - genetics
T-Lymphocytes, Cytotoxic - immunology
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies
Vaccines, DNA - immunology
Vaccines, DNA - pharmacology
Viral Envelope Proteins - genetics
Viral Envelope Proteins - immunology
Viral Matrix Proteins - genetics
Viral Matrix Proteins - immunology
Virology
title Induction of human cytomegalovirus (HCMV)-glycoprotein B (gB)-specific neutralizing antibody and phosphoprotein 65 (pp65)-specific cytotoxic T lymphocyte responses by naked DNA immunization
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