Somatic histone H3 alterations in pediatric diffuse intrinsic pontine gliomas and non-brainstem glioblastomas - PubMed (original) (raw)
. 2012 Jan 29;44(3):251-3.
doi: 10.1038/ng.1102.
Alberto Broniscer, Troy A McEachron, Charles Lu, Barbara S Paugh, Jared Becksfort, Chunxu Qu, Li Ding, Robert Huether, Matthew Parker, Junyuan Zhang, Amar Gajjar, Michael A Dyer, Charles G Mullighan, Richard J Gilbertson, Elaine R Mardis, Richard K Wilson, James R Downing, David W Ellison, Jinghui Zhang, Suzanne J Baker; St. Jude Children's Research Hospital–Washington University Pediatric Cancer Genome Project
Affiliations
- PMID: 22286216
- PMCID: PMC3288377
- DOI: 10.1038/ng.1102
Somatic histone H3 alterations in pediatric diffuse intrinsic pontine gliomas and non-brainstem glioblastomas
Gang Wu et al. Nat Genet. 2012.
Abstract
To identify somatic mutations in pediatric diffuse intrinsic pontine glioma (DIPG), we performed whole-genome sequencing of DNA from seven DIPGs and matched germline tissue and targeted sequencing of an additional 43 DIPGs and 36 non-brainstem pediatric glioblastomas (non-BS-PGs). We found that 78% of DIPGs and 22% of non-BS-PGs contained a mutation in H3F3A, encoding histone H3.3, or in the related HIST1H3B, encoding histone H3.1, that caused a p.Lys27Met amino acid substitution in each protein. An additional 14% of non-BS-PGs had somatic mutations in H3F3A causing a p.Gly34Arg alteration.
Conflict of interest statement
The authors have no competing financial interests.
Figures
Figure 1. Recurrent somatic mutations in H3F3A and HIST1H3B
Sanger sequencing chromatograms showing representative H3F3A or HIST1H3B mutations encoding p.K27M substitutions, or H3F3A mutation encoding p.G34R substitution in the indicated tumour compared to matched normal DNA. Arrow indicates mutation. SJHGG001 and SJHGG079 are DIPGs, SJHGG043 is a non-brainstem paediatric glioblastoma.
Comment in
- Cancer genomics: Histone modification at the gene level.
Burgess DJ. Burgess DJ. Nat Rev Genet. 2012 Feb 14;13(3):148-9. doi: 10.1038/nrg3181. Nat Rev Genet. 2012. PMID: 22330763 No abstract available. - Histone modification at the gene level.
Burgess DJ. Burgess DJ. Nat Rev Cancer. 2012 Feb 24;12(3):156. doi: 10.1038/nrc3233. Nat Rev Cancer. 2012. PMID: 22362212 No abstract available.
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References
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