Molecular mimicry between Fc receptor and S peplomer protein of mouse hepatitis virus, bovine corona virus, and transmissible gastroenteritis virus
Identifieur interne : 001284 ( Main/Exploration ); précédent : 001283; suivant : 001285Molecular mimicry between Fc receptor and S peplomer protein of mouse hepatitis virus, bovine corona virus, and transmissible gastroenteritis virus
Auteurs : E. L. Oleszak [États-Unis] ; J. Kuzmak [États-Unis] ; B. Hogue ; R. Parr ; E. W. Collisson ; L. S. Rodkey ; J. L. LeibowitzSource :
- Hybridoma [ 0272-457X ] ; 1995.
Descripteurs français
- KwdFr :
- Animaux, Anticorps monoclonaux, Bovins, Coronaviridae (immunologie), Coronavirus bovin (immunologie), Embryon de poulet, Glycoprotéine de spicule des coronavirus, Glycoprotéines membranaires (immunologie), Humains, Lapins, Lignée cellulaire, Mimétisme moléculaire (immunologie), Protéines de l'enveloppe virale (immunologie), Rats, Récepteurs du fragment Fc des IgG (immunologie), Souris, Spécificité d'espèce, Suidae, Virus de l'hépatite murine (immunologie), Virus de la gastroentérite transmissible (immunologie).
- MESH :
- Pascal (Inist)
- Animaux, Anticorps monoclonaux, Bovins, Embryon de poulet, Glycoprotéine de spicule des coronavirus, Humains, Lapins, Lignée cellulaire, Rats, Souris, Homme, Spécificité d'espèce, Suidae, Virus hépatite murine, Virus gastroentérite transmissible porc, Mutation, Mimétisme, Protéine recombinante, Anticorps monoclonal, Récepteur biologique, Sérologie, Réaction croisée, IgG, Récepteur Fcγ.
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Animals, Antibodies, Monoclonal, Biological receptor, Cattle, Cell Line, Chick Embryo, Coronaviridae (immunology), Coronavirus, Bovine (immunology), Cross reaction, Human, Humans, IgG, Membrane Glycoproteins (immunology), Mice, Mimetism, Molecular Mimicry (immunology), Monoclonal antibody, Mouse, Murine hepatitis virus, Murine hepatitis virus (immunology), Mutation, Porcine transmissible gastroenteritis virus, Rabbits, Rats, Receptors, IgG (immunology), Recombinant protein, Serology, Species Specificity, Spike Glycoprotein, Coronavirus, Swine, Transmissible gastroenteritis virus (immunology), Viral Envelope Proteins (immunology).
- MESH :
- chemical , immunology : Membrane Glycoproteins, Receptors, IgG, Viral Envelope Proteins.
- chemical : Antibodies, Monoclonal, Spike Glycoprotein, Coronavirus.
- immunology : Coronaviridae, Coronavirus, Bovine, Molecular Mimicry, Murine hepatitis virus, Transmissible gastroenteritis virus.
- Animals, Cattle, Cell Line, Chick Embryo, Humans, Mice, Rabbits, Rats, Species Specificity, Swine.
Abstract
We have previously demonstrated molecular mimicry between the S peplomer protein of mouse hepatitis virus (MHV) and Fc gamma R (FcγR). A monoclonal antibody (MAb) to mouse FcγR (2.4G2 anti-FcγR MAb), purified rabbit immunoglobulin, but not their F(ab′)2 fragments, as well as mouse and rat IgG, immunoprecipitated (1) recombinant S peplomer protein expressed by a vaccinia virus recombinant in human, rabbit, and mouse cells, and (2) natural S peplomer protein from cells infected with several strains of MHV and MHV escape mutants. We report here results of studies documenting molecular mimicry between FcγR and S peplomer protein of viruses representing three distinct antigenic subgroups of the Coronaviridae. We have shown a molecular mimicry between the S peplomer protein of bovine corona virus (BCV) and FcγR. The 2.4G2 anti-FcγR MAb, rabbit IgG, but not its F(ab′)2 fragments, as well as homologous bovine serum, free of anti-BCV antibodies, immunoprecipitated S peplomer protein of BCV (Mebus strain). In contrast, we did not find molecular mimicry between S peplomer protein of human corona virus (HCV-OC43) and FcγR. Although the OC43 virus belongs to the same antigenic group as MHV and BCV, MAb specific for human FcγR I or FcγR II and purified human IgG1, IgG2, and IgG3 myeloma proteins did not immunoprecipitate the S peplomer protein from HCV-OC43-infected RD cells. In addition, we did demonstrate molecular mimicry between the S peplomer protein of porcine transmissible gastroenteritis virus (TGEV) and FcγR. TGEV belongs to the second antigenic subgroup of coronaviridae. Homologous swine IgG, but not its F(ab′)2 fragments, immunoprecipitated from TGEV-infected cells a 195-kDa polypeptide corresponding to the TGEV S peplomer protein. We have also examined whether there is a molecular mimicry between S peplomer protein of infectious bronchitis virus (IBV) and FcγR. Nonimmune chicken IgG did not immunoprecipitate the S peplomer protein from IBV-infected chicken embryo fibroblasts or Vero cells, suggesting that there is no molecular mimicry between the IBV-S and FcγR. In conclusion, we have demonstrated molecular mimicry between FcγR and S peplomer protein of three members of Coronaviridae, namely MHV, BCV, and TGEV. In contrast, the S peplomer protein of two other members of Coronaviridae, namely HCV-OC43 and IBV, did not exhibit any molecular mimicry with FcγR
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term>
<term>Antibodies, Monoclonal</term>
<term>Biological receptor</term>
<term>Cattle</term>
<term>Cell Line</term>
<term>Chick Embryo</term>
<term>Coronaviridae (immunology)</term>
<term>Coronavirus, Bovine (immunology)</term>
<term>Cross reaction</term>
<term>Human</term>
<term>Humans</term>
<term>IgG</term>
<term>Membrane Glycoproteins (immunology)</term>
<term>Mice</term>
<term>Mimetism</term>
<term>Molecular Mimicry (immunology)</term>
<term>Monoclonal antibody</term>
<term>Mouse</term>
<term>Murine hepatitis virus</term>
<term>Murine hepatitis virus (immunology)</term>
<term>Mutation</term>
<term>Porcine transmissible gastroenteritis virus</term>
<term>Rabbits</term>
<term>Rats</term>
<term>Receptors, IgG (immunology)</term>
<term>Recombinant protein</term>
<term>Serology</term>
<term>Species Specificity</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Swine</term>
<term>Transmissible gastroenteritis virus (immunology)</term>
<term>Viral Envelope Proteins (immunology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term>
<term>Anticorps monoclonaux</term>
<term>Bovins</term>
<term>Coronaviridae (immunologie)</term>
<term>Coronavirus bovin (immunologie)</term>
<term>Embryon de poulet</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires (immunologie)</term>
<term>Humains</term>
<term>Lapins</term>
<term>Lignée cellulaire</term>
<term>Mimétisme moléculaire (immunologie)</term>
<term>Protéines de l'enveloppe virale (immunologie)</term>
<term>Rats</term>
<term>Récepteurs du fragment Fc des IgG (immunologie)</term>
<term>Souris</term>
<term>Spécificité d'espèce</term>
<term>Suidae</term>
<term>Virus de l'hépatite murine (immunologie)</term>
<term>Virus de la gastroentérite transmissible (immunologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Membrane Glycoproteins</term>
<term>Receptors, IgG</term>
<term>Viral Envelope Proteins</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Antibodies, Monoclonal</term>
<term>Spike Glycoprotein, Coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Coronaviridae</term>
<term>Coronavirus bovin</term>
<term>Glycoprotéines membranaires</term>
<term>Mimétisme moléculaire</term>
<term>Protéines de l'enveloppe virale</term>
<term>Récepteurs du fragment Fc des IgG</term>
<term>Virus de l'hépatite murine</term>
<term>Virus de la gastroentérite transmissible</term>
</keywords>
<keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Coronaviridae</term>
<term>Coronavirus, Bovine</term>
<term>Molecular Mimicry</term>
<term>Murine hepatitis virus</term>
<term>Transmissible gastroenteritis virus</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Cattle</term>
<term>Cell Line</term>
<term>Chick Embryo</term>
<term>Humans</term>
<term>Mice</term>
<term>Rabbits</term>
<term>Rats</term>
<term>Species Specificity</term>
<term>Swine</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Animaux</term>
<term>Anticorps monoclonaux</term>
<term>Bovins</term>
<term>Embryon de poulet</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Humains</term>
<term>Lapins</term>
<term>Lignée cellulaire</term>
<term>Rats</term>
<term>Souris</term>
<term>Homme</term>
<term>Spécificité d'espèce</term>
<term>Suidae</term>
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<term>Sérologie</term>
<term>Réaction croisée</term>
<term>IgG</term>
<term>Récepteur Fcγ</term>
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<front><div type="abstract" xml:lang="en">We have previously demonstrated molecular mimicry between the S peplomer protein of mouse hepatitis virus (MHV) and Fc gamma R (FcγR). A monoclonal antibody (MAb) to mouse FcγR (2.4G2 anti-FcγR MAb), purified rabbit immunoglobulin, but not their F(ab′)<sub>2</sub>
fragments, as well as mouse and rat IgG, immunoprecipitated (1) recombinant S peplomer protein expressed by a vaccinia virus recombinant in human, rabbit, and mouse cells, and (2) natural S peplomer protein from cells infected with several strains of MHV and MHV escape mutants. We report here results of studies documenting molecular mimicry between FcγR and S peplomer protein of viruses representing three distinct antigenic subgroups of the Coronaviridae. We have shown a molecular mimicry between the S peplomer protein of bovine corona virus (BCV) and FcγR. The 2.4G2 anti-FcγR MAb, rabbit IgG, but not its F(ab′)<sub>2</sub>
fragments, as well as homologous bovine serum, free of anti-BCV antibodies, immunoprecipitated S peplomer protein of BCV (Mebus strain). In contrast, we did not find molecular mimicry between S peplomer protein of human corona virus (HCV-OC43) and FcγR. Although the OC43 virus belongs to the same antigenic group as MHV and BCV, MAb specific for human FcγR I or FcγR II and purified human IgG<sub>1</sub>
, IgG<sub>2</sub>
, and IgG<sub>3</sub>
myeloma proteins did not immunoprecipitate the S peplomer protein from HCV-OC43-infected RD cells. In addition, we did demonstrate molecular mimicry between the S peplomer protein of porcine transmissible gastroenteritis virus (TGEV) and FcγR. TGEV belongs to the second antigenic subgroup of coronaviridae. Homologous swine IgG, but not its F(ab′)<sub>2</sub>
fragments, immunoprecipitated from TGEV-infected cells a 195-kDa polypeptide corresponding to the TGEV S peplomer protein. We have also examined whether there is a molecular mimicry between S peplomer protein of infectious bronchitis virus (IBV) and FcγR. Nonimmune chicken IgG did not immunoprecipitate the S peplomer protein from IBV-infected chicken embryo fibroblasts or Vero cells, suggesting that there is no molecular mimicry between the IBV-S and FcγR. In conclusion, we have demonstrated molecular mimicry between FcγR and S peplomer protein of three members of Coronaviridae, namely MHV, BCV, and TGEV. In contrast, the S peplomer protein of two other members of Coronaviridae, namely HCV-OC43 and IBV, did not exhibit any molecular mimicry with FcγR</div>
</front>
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<affiliations><list><country><li>États-Unis</li>
</country>
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<tree><noCountry><name sortKey="Collisson, E W" sort="Collisson, E W" uniqKey="Collisson E" first="E. W." last="Collisson">E. W. Collisson</name>
<name sortKey="Hogue, B" sort="Hogue, B" uniqKey="Hogue B" first="B." last="Hogue">B. Hogue</name>
<name sortKey="Leibowitz, J L" sort="Leibowitz, J L" uniqKey="Leibowitz J" first="J. L." last="Leibowitz">J. L. Leibowitz</name>
<name sortKey="Parr, R" sort="Parr, R" uniqKey="Parr R" first="R." last="Parr">R. Parr</name>
<name sortKey="Rodkey, L S" sort="Rodkey, L S" uniqKey="Rodkey L" first="L. S." last="Rodkey">L. S. Rodkey</name>
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<country name="États-Unis"><noRegion><name sortKey="Oleszak, E L" sort="Oleszak, E L" uniqKey="Oleszak E" first="E. L." last="Oleszak">E. L. Oleszak</name>
</noRegion>
<name sortKey="Kuzmak, J" sort="Kuzmak, J" uniqKey="Kuzmak J" first="J." last="Kuzmak">J. Kuzmak</name>
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