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Cancer exome-based identification of tumor neo-antigens using mass spectrometry

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Neo-antigens expressed on tumors are targets for development of cancer immunotherapy strategies. Use of prediction algorithms to identify neo-antigens yields a significant number of peptides that must be validated in laborious and time-consuming methods; many prove to be false-positive identifications. The use of HLA peptidomics allows the isolation of the HLA-peptide complexes directly from cells and can be done on fresh tumor, patient-derived xerographs, or cell lines when the tissue sample is limited. This method can be used to identify both HLA class I and HLA class II or any different MHC from different species. Here we describe the steps to create the immune-affinity columns used from the process, the immunoprecipitation procedure, and also the isolation of the peptides that will be analyzed by mass spectrometry.

Original languageEnglish
Title of host publicationCancer Immunosurveillance
Subtitle of host publicationMethods and Protocols
EditorsAlejandro Lopez-Soto, Alicia R. Folgueras
PublisherHumana Press
Pages203-214
Number of pages12
Volume1884
ISBN (Electronic)978-1-4939-8885-3
ISBN (Print)978-1-4939-8884-6
DOIs
StatePublished - 2019

Publication series

NameMethods in Molecular Biology
Volume1884
ISSN (Print)1064-3745

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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