Cited by 177Acute Myeloid Leukemia ResearchEpigenetics and DNA MethylationChromatin Remodeling and Cancer

Inactivation of polycomb repressive complex 2 components in myeloproliferative and myelodysplastic/myeloproliferative neoplasms

Score, Joannah, Hidalgo-Curtis, Claire, Jones, Amy V., Winkelmann, Nils, Skinner, Alison, Ward, Daniel, Zoi, Katerina, Ernst, Thomas +4 more·2012·Blood

Abstract

The polycomb repressive complex 2 (PRC2) is a highly conserved histone H3 lysine 27 methyltransferase that regulates the expression of developmental genes. Inactivating mutations of the catalytic component of PRC2, EZH2, are seen in myeloid disorders. We reasoned that the other 2 core PRC2 components, SUZ12 and EED, may also be mutational targets in these diseases, as well as associated factors such as JARID2. SUZ12 mutations were identified in 1 of 2 patients with myelodysplastic syndrome/myeloproliferative neoplasms with 17q acquired uniparental disomy and in 2 of 2 myelofibrosis cases with focal 17q11 deletions. All 3 were missense mutations affecting the highly conserved VEFS domain. Analysis of a further 146 myelodysplastic syndrome/myeloproliferative neoplasm patients revealed an additional VEFS domain mutant, yielding a total mutation frequency of 1.4% (2 of 148). We did not find mutations of JARID2 or EED in association with acquired uniparental disomy for chromosome 6p or 11q, respectively; however, screening unselected cases identified missense mutations in EED (1 of 148; 1%) and JARID2 (3 of 148; 2%). All 3 SUZ12 mutations tested and the EED mutation reduced PRC2 histone methyltransferase activity in vitro, demonstrating that PRC2 function may be compromised in myeloid disorders by mutation of distinct genes.

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Crossref · 10.1182/blood-2011-07-367243

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  • Loss-of-function mutations in other core PRC2 components EED and SUZ12 are seen in T-cell acute lymphoblastic leukaemia and malignant peripheral nerve sheath tumours.

    “Loss-of-function mutations in other core PRC2 components EED and SUZ12 are also seen in T-cell acute lymphoblastic leukaemia and malignant peripheral nerve sheath tumours 153-155 .”

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Authors
Score, J., Hidalgo-Curtis, C., Jones, A. V., Winkelmann, N., Skinner, A., Ward, D., Zoi, K., Ernst, T., Stegelmann, F., Döhner, K., Chase, A., & Cross, N. C. P.
Affiliations
  • Wessex Regional Genetics Laboratory (GB)
  • Academy of Athens (GR)
  • Jena University Hospital (DE)
  • University Hospital Ulm (DE)
Venue
Blood
Published
2012-02-02
Volume
119
Issue
5
Pages
1208-1213
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W2048356390
Cited by
177
References
36
Citations by year
2026: 3 · 2025: 5 · 2024: 2 · 2023: 3 · 2022: 2 · 2021: 4 · 2020: 12 · 2019: 10 · 2018: 13 · 2017: 15 · 2016: 22 · 2015: 18 · 2014: 16 · 2013: 20 · 2012: 30
FWCI
14.66
Type
journal article
Language
en
Open access
closed
Locations
  • Blood (publishedVersion)
  • PubMed (publishedVersion)
  • ePrints Soton (University of Southampton) (submittedVersion)
Funders
North Carolina Pork Council
Topics
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
polycomb repressive complex 2, EZH2, SUZ12, EED, JARID2, myelodysplastic syndrome, myeloproliferative neoplasms, myelofibrosis, uniparental disomy, missense mutations, histone H3 lysine 27 methylation, myeloid disorders
MeSH terms
Aged, Aged, 80 and over, Amino Acid Sequence, DNA Mutational Analysis, Female, Humans, Male, Middle Aged, Molecular Sequence Data, Myeloproliferative Disorders, Repressor Proteins, Cohort Studies, Sequence Homology, Amino Acid, Bone Marrow Neoplasms, Gene Silencing, Myelodysplastic-Myeloproliferative Diseases, Polycomb-Group Proteins

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