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Cusan, M. ; Vegi, N.M.* ; Mulaw, M.A.* ; Bamezai, S.* ; Kaiser, L.M.* ; Deshpande, A.J.* ; Greif, P.A. ; Quintanilla-Fend, L.* ; Göllner, S.* ; Müller-Tidow, C.* ; Humphries, K.R.* ; Armstrong, S.A.* ; Hiddemann, W. ; Feuring-Buske, M.* ; Buske, C.*

Controlled stem cell amplification by HOXB4 depends on its unique proline-rich region near the N terminus.

Blood 129, 319-323 (2017)
Publ. Version/Full Text Research data DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
There is high interest in understanding the mechanisms that drive self-renewal of stem cells. HOXB4 is one of the few transcription factors that can amplify long-term repopulating hematopoietic stem cells in a controlled way. Here we show in mice that this characteristic of HOXB4 depends on a proline-rich sequence near the N terminus, which is unique among HOX genes and highly conserved in higher mammals. Deletion of this domain substantially enhanced the oncogenicity of HOXB4, inducing acute leukemia in mice. Conversely, insertion of the domain into Hoxa9 impaired leukemogenicity of this homeobox gene. These results indicate that proline-rich stretches attenuate the potential of stem cell active homeobox genes to acquire oncogenic properties.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2017
HGF-reported in Year 2017
ISSN (print) / ISBN 0006-4971
e-ISSN 1528-0020
Journal Blood
Quellenangaben Volume: 129, Issue: 3, Pages: 319-323 Article Number: , Supplement: ,
Publisher American Society of Hematology
Reviewing status Peer reviewed
Institute(s) CCG Pathogenesis of Acute Myeloid Leukemia (KKG-KPL)
POF-Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s) Immune Response and Infection
PSP Element(s) G-521000-001
DOI 10.1182/blood-2016-04-706978
WOS ID WOS:000396529800009
Scopus ID 85028679420
PubMed ID 27827825
Erfassungsdatum 2017-09-26
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