Glycosylation Changes in Brain Cancer

Lucas Veillon, Christina Fakih, Hadi Abou-El-Hassan, Firas Kobeissy, Yehia Mechref

Research output: Contribution to journalReview articlepeer-review

35 Scopus citations

Abstract

Protein glycosylation is a posttranslational modification that affects more than half of all known proteins. Glycans covalently bound to biomolecules modulate their functions by both direct interactions, such as the recognition of glycan structures by binding partners, and indirect mechanisms that contribute to the control of protein conformation, stability, and turnover. The focus of this Review is the discussion of aberrant glycosylation related to brain cancer. Altered sialylation and fucosylation of N- and O-glycans play a role in the development and progression of brain cancer. Additionally, aberrant O-glycan expression has been implicated in brain cancer. This Review also addresses the clinical potential and applications of aberrant glycosylation for the detection and treatment of brain cancer. The viable roles glycans may play in the development of brain cancer therapeutics are addressed as well as cancer-glycoproteomics and personalized medicine. Glycoprotein alterations are considered as a hallmark of cancer while high expression in body fluids represents an opportunity for cancer assessment.

Original languageEnglish
Pages (from-to)51-72
Number of pages22
JournalACS Chemical Neuroscience
Volume9
Issue number1
DOIs
StatePublished - Jan 17 2018

Keywords

  • Brain cancer
  • aberrant glycosylation
  • bone marrow-derived human mesenchymal stem cells
  • cancer stem cells
  • carcinoembryonic antigen
  • central nervous system
  • glioblastoma
  • glioma stem cells
  • glycosylation
  • human mucin family
  • posttranslational modification of proteins
  • small cell lung carcinomas

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