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Updated: Jan 21, 2026

Immunopeptidomics: Isolation of Mouse and Human MHC Class I- and II-Associated Peptides for Mass Spectrometry Analysis
Published on: October 15, 2021
Mass Spectrometric Identification and Molecular Modeling of Glycopeptides Presented by MHC Class I and II Processing
Stacy A Malaker1, Michael J Ferracane2
1Department of Chemistry, Stanford University, Stanford, CA, USA.
Abstract:
Aberrant glycosylation is a hallmark of cancer that contributes to the disease's ability to evade the immune system. As the MHC processing pathways communicate cellular health to circulating CD8+ and CD4+ T-cells, MHC-associated glycopeptides are likely a source of neoantigens in cancer. In fact, recent advances in mass spectrometry have allowed for the detection and sequencing of tumor-specific glycopeptides from the MHC class I and class II processing pathways. Here, we describe methods for detecting, sequencing, and modeling these MHC-associated glycopeptides.
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