Recognition of an immunoglobulin VH epitope by influenza virus-specific class I major histocompatibility complex-restricted cytolytic T lymphocytes.
Identifieur interne : 001D76 ( Main/Exploration ); précédent : 001D75; suivant : 001D77Recognition of an immunoglobulin VH epitope by influenza virus-specific class I major histocompatibility complex-restricted cytolytic T lymphocytes.
Auteurs : W. Cao ; B A Myers-Powell ; T J BracialeSource :
- The Journal of experimental medicine [ 0022-1007 ] ; 1994.
Descripteurs français
- KwdFr :
- Animaux, Antigènes d'histocompatibilité de classe I (immunologie), Cellules cancéreuses en culture, Données de séquences moléculaires, Hybridomes, Lymphocytes T cytotoxiques (immunologie), Peptides (immunologie), Réactions croisées, Région variable d'immunoglobuline (génétique), Région variable d'immunoglobuline (immunologie), Similitude de séquences d'acides aminés, Souris, Souris de lignée BALB C, Séquence d'acides aminés, Virus de la grippe A (immunologie), Épitopes (immunologie).
- MESH :
- génétique : Région variable d'immunoglobuline.
- immunologie : Antigènes d'histocompatibilité de classe I, Lymphocytes T cytotoxiques, Peptides, Région variable d'immunoglobuline, Virus de la grippe A, Épitopes.
- Animaux, Cellules cancéreuses en culture, Données de séquences moléculaires, Hybridomes, Réactions croisées, Similitude de séquences d'acides aminés, Souris, Souris de lignée BALB C, Séquence d'acides aminés.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Cross Reactions, Epitopes (immunology), Histocompatibility Antigens Class I (immunology), Hybridomas, Immunoglobulin Variable Region (genetics), Immunoglobulin Variable Region (immunology), Influenza A virus (immunology), Mice, Mice, Inbred BALB C, Molecular Sequence Data, Peptides (immunology), Sequence Homology, Amino Acid, T-Lymphocytes, Cytotoxic (immunology), Tumor Cells, Cultured.
- MESH :
- chemical , genetics : Immunoglobulin Variable Region.
- chemical , immunology : Epitopes, Histocompatibility Antigens Class I, Immunoglobulin Variable Region, Peptides.
- immunology : Influenza A virus, T-Lymphocytes, Cytotoxic.
- Amino Acid Sequence, Animals, Cross Reactions, Hybridomas, Mice, Mice, Inbred BALB C, Molecular Sequence Data, Sequence Homology, Amino Acid, Tumor Cells, Cultured.
Abstract
There are two immunogenic sites on the type A influenza A/Japan/57 (H2N2) hemagglutinin (HA) that can be recognized by class I major histocompatibility complex (MHC), H-2Kd-restricted cytolytic T lymphocytes (CTLs). One of these sites encompasses two distinct partially overlapping epitopes, which span HA residues 204-212 and 210-219. During the analysis of the fine specificity of CTL clones directed to the HA 210-219 epitope, we found that one clone 40-2 also recognized the myeloma cell line P3x63-Ag8. P3x63-Ag8 is derived from the MOPC 21 myeloma and expresses an immunoglobulin (Ig) heavy chain variable region (VH) gene which is a member of the murine 7183 VH gene family. Recognition was specific for the endogenously processed MOPC 21 heavy chain in association with the Kd molecules, since the SP2/0 derivative of P3x63-Ag8, which does not make a functional Ig H chain, is not recognized. The VH epitope recognized by clone 40-2 could be mapped to a 10 amino acid peptide spanning MOPC 21 VH residues 49-58. Cross-reactivity for the VH gene product was also demonstrable in some heterogeneous populations of CTL generated in response to influenza virus infection. These results represent the first demonstration of cross-reactivity for an endogenously processed product of a self-Ig by the CTL directed to a foreign antigen and raise the possibility that the Ig VH expression may regulate the CD8+ T cell response to foreign antigens.
DOI: 10.1084/jem.179.1.195
PubMed: 7505798
Affiliations:
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Cao</name><affiliation><nlm:affiliation>Beirne B. Carter Center for Immunology Research, University of Virginia Health Sciences Center, Charlottesville 22908.</nlm:affiliation><wicri:noCountry code="subField">Charlottesville 22908</wicri:noCountry></affiliation></author><author><name sortKey="Myers Powell, B A" sort="Myers Powell, B A" uniqKey="Myers Powell B" first="B A" last="Myers-Powell">B A Myers-Powell</name></author><author><name sortKey="Braciale, T J" sort="Braciale, T J" uniqKey="Braciale T" first="T J" last="Braciale">T J Braciale</name></author></analytic><series><title level="j">The Journal of experimental medicine</title><idno type="ISSN">0022-1007</idno><imprint><date when="1994" type="published">1994</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amino Acid Sequence</term><term>Animals</term><term>Cross Reactions</term><term>Epitopes (immunology)</term><term>Histocompatibility Antigens Class I (immunology)</term><term>Hybridomas</term><term>Immunoglobulin Variable Region (genetics)</term><term>Immunoglobulin Variable Region (immunology)</term><term>Influenza A virus (immunology)</term><term>Mice</term><term>Mice, Inbred BALB C</term><term>Molecular Sequence Data</term><term>Peptides (immunology)</term><term>Sequence Homology, Amino Acid</term><term>T-Lymphocytes, Cytotoxic (immunology)</term><term>Tumor Cells, Cultured</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Antigènes d'histocompatibilité de classe I (immunologie)</term><term>Cellules cancéreuses en culture</term><term>Données de séquences moléculaires</term><term>Hybridomes</term><term>Lymphocytes T cytotoxiques (immunologie)</term><term>Peptides (immunologie)</term><term>Réactions croisées</term><term>Région variable d'immunoglobuline (génétique)</term><term>Région variable d'immunoglobuline (immunologie)</term><term>Similitude de séquences d'acides aminés</term><term>Souris</term><term>Souris de lignée BALB C</term><term>Séquence d'acides aminés</term><term>Virus de la grippe A (immunologie)</term><term>Épitopes (immunologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Immunoglobulin Variable Region</term></keywords><keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Epitopes</term><term>Histocompatibility Antigens Class I</term><term>Immunoglobulin Variable Region</term><term>Peptides</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Région variable d'immunoglobuline</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Antigènes d'histocompatibilité de classe I</term><term>Lymphocytes T cytotoxiques</term><term>Peptides</term><term>Région variable d'immunoglobuline</term><term>Virus de la grippe A</term><term>Épitopes</term></keywords><keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Influenza A virus</term><term>T-Lymphocytes, Cytotoxic</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term><term>Animals</term><term>Cross Reactions</term><term>Hybridomas</term><term>Mice</term><term>Mice, Inbred BALB C</term><term>Molecular Sequence Data</term><term>Sequence Homology, Amino Acid</term><term>Tumor Cells, Cultured</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Cellules cancéreuses en culture</term><term>Données de séquences moléculaires</term><term>Hybridomes</term><term>Réactions croisées</term><term>Similitude de séquences d'acides aminés</term><term>Souris</term><term>Souris de lignée BALB C</term><term>Séquence d'acides aminés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">There are two immunogenic sites on the type A influenza A/Japan/57 (H2N2) hemagglutinin (HA) that can be recognized by class I major histocompatibility complex (MHC), H-2Kd-restricted cytolytic T lymphocytes (CTLs). One of these sites encompasses two distinct partially overlapping epitopes, which span HA residues 204-212 and 210-219. During the analysis of the fine specificity of CTL clones directed to the HA 210-219 epitope, we found that one clone 40-2 also recognized the myeloma cell line P3x63-Ag8. P3x63-Ag8 is derived from the MOPC 21 myeloma and expresses an immunoglobulin (Ig) heavy chain variable region (VH) gene which is a member of the murine 7183 VH gene family. Recognition was specific for the endogenously processed MOPC 21 heavy chain in association with the Kd molecules, since the SP2/0 derivative of P3x63-Ag8, which does not make a functional Ig H chain, is not recognized. The VH epitope recognized by clone 40-2 could be mapped to a 10 amino acid peptide spanning MOPC 21 VH residues 49-58. Cross-reactivity for the VH gene product was also demonstrable in some heterogeneous populations of CTL generated in response to influenza virus infection. These results represent the first demonstration of cross-reactivity for an endogenously processed product of a self-Ig by the CTL directed to a foreign antigen and raise the possibility that the Ig VH expression may regulate the CD8+ T cell response to foreign antigens.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Braciale, T J" sort="Braciale, T J" uniqKey="Braciale T" first="T J" last="Braciale">T J Braciale</name><name sortKey="Cao, W" sort="Cao, W" uniqKey="Cao W" first="W" last="Cao">W. Cao</name><name sortKey="Myers Powell, B A" sort="Myers Powell, B A" uniqKey="Myers Powell B" first="B A" last="Myers-Powell">B A Myers-Powell</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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