Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.

Cytotoxic T cells (CTL) recognize short peptide epitopes presented by class I glycoproteins encoded by the major histocompatibility complex (MHC). It is not yet known whether peptides containing posttranslationally modified amino acids can also be recognized by CTL. To address this issue, we have st...

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Main Authors: Haurum, J, Arsequell, G, Lellouch, A, Wong, S, Dwek, R, Mcmichael, A, Elliott, T
Format: Journal article
Language:English
Published: 1994
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author Haurum, J
Arsequell, G
Lellouch, A
Wong, S
Dwek, R
Mcmichael, A
Elliott, T
author_facet Haurum, J
Arsequell, G
Lellouch, A
Wong, S
Dwek, R
Mcmichael, A
Elliott, T
author_sort Haurum, J
collection OXFORD
description Cytotoxic T cells (CTL) recognize short peptide epitopes presented by class I glycoproteins encoded by the major histocompatibility complex (MHC). It is not yet known whether peptides containing posttranslationally modified amino acids can also be recognized by CTL. To address this issue, we have studied the immunogenicity and recognition of a glycopeptide carrying an O-linked N-acetylglucosamine (GlcNAc) monosaccharide-substituted serine residue. This posttranslational modification is catalyzed by a recently described cytosolic glycosyltransferase. We show that glycosylation does not affect peptide binding to MHC class I and that glycopeptides can elicit a strong CTL response that is glycopeptide specific. Furthermore, glycopeptide recognition by cytotoxic T cells is dependent on the chemical structure of the glycan as well as its position within the peptide.
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spelling oxford-uuid:0d03a882-be04-41d4-bf6c-4f44c070a60f2022-03-26T09:38:17ZRecognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0d03a882-be04-41d4-bf6c-4f44c070a60fEnglishSymplectic Elements at Oxford1994Haurum, JArsequell, GLellouch, AWong, SDwek, RMcmichael, AElliott, TCytotoxic T cells (CTL) recognize short peptide epitopes presented by class I glycoproteins encoded by the major histocompatibility complex (MHC). It is not yet known whether peptides containing posttranslationally modified amino acids can also be recognized by CTL. To address this issue, we have studied the immunogenicity and recognition of a glycopeptide carrying an O-linked N-acetylglucosamine (GlcNAc) monosaccharide-substituted serine residue. This posttranslational modification is catalyzed by a recently described cytosolic glycosyltransferase. We show that glycosylation does not affect peptide binding to MHC class I and that glycopeptides can elicit a strong CTL response that is glycopeptide specific. Furthermore, glycopeptide recognition by cytotoxic T cells is dependent on the chemical structure of the glycan as well as its position within the peptide.
spellingShingle Haurum, J
Arsequell, G
Lellouch, A
Wong, S
Dwek, R
Mcmichael, A
Elliott, T
Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title_full Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title_fullStr Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title_full_unstemmed Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title_short Recognition of carbohydrate by major histocompatibility complex class I-restricted, glycopeptide-specific cytotoxic T lymphocytes.
title_sort recognition of carbohydrate by major histocompatibility complex class i restricted glycopeptide specific cytotoxic t lymphocytes
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