Cited by 89Glioma Diagnosis and TreatmentChromatin Remodeling and CancerGenomics and Chromatin Dynamics

Chromatin Remodeling Defects in Pediatric and Young Adult Glioblastoma: A Tale of a Variant H istone 3 Tail

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Fontebasso, Adam M., Liu, Xiao‐Yang, Sturm, Dominik, Jabado, Nada·2013·Brain Pathology

Abstract

Primary brain tumors occur in 8 out of 100 000 people and are the leading cause of cancer-related death in children. Among brain tumors, high-grade astrocytomas (HGAs) including glioblastoma multiforme (GBM) are aggressive and are lethal human cancers. Despite decades of concerted therapeutic efforts, HGAs remain essentially incurable in adults and children. Recent discoveries have revolutionized our understanding of these tumors in children and young adults. Recurrent somatic driver mutations in the tail of histone 3 variant 3 (H3.3), leading to amino acid substitutions at key residues, namely lysine (K) 27 (K27M) and glycine 34 (G34R/G34V), were identified as a new molecular mechanism in pediatric GBM. These mutations represent the pediatric counterpart of the recurrent mutations in isocitrate dehydrogenases (IDH) identified in young adult gliomas and provide a much-needed new pathway that can be targeted for therapeutic development. This review will provide an overview of the potential role of these mutations in altering chromatin structure and affecting specific molecular pathways ultimately leading to gliomagenesis. The distinct changes in chromatin structure and the specific downstream events induced by each mutation need characterizing independently if progress is to be made in tackling this devastating cancer.

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Crossref · 10.1111/bpa.12023

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Authors
Fontebasso, A. M., Liu, X., Sturm, D., & Jabado, N.
Affiliations
  • McGill University Health Centre (CA)
  • German Cancer Research Center (DE)
Venue
Brain Pathology
Publisher
Wiley
Published
2013-02-25
Volume
23
Issue
2
Pages
210-216
ISSN
  • 1015-6305 (ISSN-L)
  • 1750-3639
OpenAlex
W1754241820
Cited by
89
References
69
Citations by year
2026: 3 · 2025: 6 · 2024: 7 · 2023: 4 · 2022: 1 · 2021: 11 · 2020: 4 · 2019: 6 · 2018: 5 · 2017: 12 · 2016: 4 · 2015: 6 · 2014: 12 · 2013: 8
FWCI
1.38
Type
journal article
Language
en
Open access
Locations
  • Brain Pathology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Cancer Research Institute
  • Genome Canada
  • Deutsche Krebshilfe
  • Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
glioblastoma, H3K27M mutation, chromatin remodeling, pediatric glioma, gliomagenesis, IDH mutation, therapeutic target
MeSH terms
Adolescent, Brain Neoplasms, Child, Glioblastoma, Histones, Humans, Mutation, Chromatin Assembly and Disassembly, Young Adult

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