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Immunogenicity of constitutively active V599EBRaf

  • Mads Hald Andersen
  • , Joachim Fensterle
  • , Selma Ugurel
  • , Sine Reker Hadrup
  • , Roland Houben
  • , Per Guldberg
  • , Thomas G. Berger
  • , Dirk Schadendorf
  • , Uwe Trefzer
  • , Eva B. Bröcker
  • , Per Thor Straten
  • , Ulf R. Rapp
  • , Jürgen C. Becker
  • Danish Cancer Society
  • University of Würzburg
  • German Cancer Research Center
  • Universitätsklinikum Erlangen
  • Charité – Universitätsmedizin Berlin

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Activating BRAF somatic missense mutations within the kinase domain are present in 60-66% of melanomas. The vast majority of these represent a single substitution of glutamate for valine (V599E). Here, we demonstrate spontaneous HLA-B*2705-restricted cytotoxic T-cell responses against an epitope derived from V599EBRaf. These T-cell responses were mutation specific as the corresponding epitope derived from wild-type BRaf was not recognized. The loss of the V599EBRAF genotype during progression from primary to metastatic melanoma in patients with V599EBRaf specific T-cell responses suggests an active immune selection of nonmutated melanoma clones by the tumor-bearing host.
Original languageEnglish
JournalCancer Research
Volume64
Issue number15
Pages (from-to)5456-5460
Number of pages5
ISSN0008-5472
DOIs
Publication statusPublished - 2004
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Cancer Research
  • Oncology
  • B Raf kinase
  • epitope
  • gene product
  • glutamic acid
  • HLA B antigen
  • mutant protein
  • unclassified drug
  • valine
  • amino acid substitution
  • antigen recognition
  • article
  • braf gene
  • cell clone
  • cell selection
  • cellular immunity
  • clonal selection
  • controlled study
  • cytotoxic T lymphocyte
  • gene
  • genotype
  • host
  • human
  • human cell
  • immunogenicity
  • immunoselection
  • major histocompatibility complex restriction
  • melanoma
  • melanoma cell
  • metastasis
  • missense mutation
  • priority journal
  • somatic mutation
  • tumor bearing host
  • tumor growth
  • wild type
  • Disease Progression
  • Epitopes
  • Genotype
  • HLA-B Antigens
  • Humans
  • Melanoma
  • Mutation, Missense
  • Peptide Fragments
  • Proto-Oncogene Proteins B-raf
  • Proto-Oncogene Proteins c-raf
  • Skin Neoplasms
  • T-Lymphocytes, Cytotoxic

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