BCOR gene alterations in hematologic diseases.


Journal

Blood
ISSN: 1528-0020
Titre abrégé: Blood
Pays: United States
ID NLM: 7603509

Informations de publication

Date de publication:
16 12 2021
Historique:
received: 26 01 2021
accepted: 14 04 2021
pubmed: 5 5 2021
medline: 4 1 2022
entrez: 4 5 2021
Statut: ppublish

Résumé

The BCL6 corepressor (BCOR) is a transcription factor involved in the control of embryogenesis, mesenchymal stem cells function, hematopoiesis, and lymphoid development. Recurrent somatic clonal mutations of the BCOR gene and its homolog BCORL1 have been detected in several hematologic malignancies and aplastic anemia. They are scattered across the whole gene length and mostly represent frameshifts (deletions, insertions), nonsense, and missence mutations. These disruptive events lead to the loss of full-length BCOR protein and to the lack or low expression of a truncated form of the protein, both consistent with the tumor suppressor role of BCOR.BCOR and BCORL1 mutations are similar to those causing 2 rare X-linked diseases: oculofaciocardiodental (OFCD) and Shukla-Vernon syndromes, respectively. Here, we focus on the structure and function of normal BCOR and BCORL1 in normal hematopoietic and lymphoid tissues and review the frequency and clinical significance of the mutations of these genes in malignant and nonmalignant hematologic diseases. Moreover, we discuss the importance of mouse models to better understand the role of Bcor loss, alone and combined with alterations of other genes (eg, Dnmt3a and Tet2), in promoting hematologic malignancies and in providing a useful platform for the development of new targeted therapies.

Identifiants

pubmed: 33945606
pii: S0006-4971(21)00980-0
doi: 10.1182/blood.2021010958
pmc: PMC8887995
doi:

Substances chimiques

BCOR protein, human 0
BCORL1 protein, human 0
Proto-Oncogene Proteins 0
Repressor Proteins 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't Review

Langues

eng

Sous-ensembles de citation

IM

Pagination

2455-2468

Informations de copyright

© 2021 by The American Society of Hematology.

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Auteurs

Paolo Sportoletti (P)

Institute of Hematology, Center for Hemato-Oncological Research (CREO), University of Perugia, Perugia, Italy.

Daniele Sorcini (D)

Institute of Hematology, Center for Hemato-Oncological Research (CREO), University of Perugia, Perugia, Italy.

Brunangelo Falini (B)

Institute of Hematology, Center for Hemato-Oncological Research (CREO), University of Perugia, Perugia, Italy.

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