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Sox4 Is a Key Oncogenic Target in C/EBP alpha Mutant Acute Myeloid Leukemia

Zhang, Hong (author)
Alberich-Jorda, Meritxell (author)
Amabile, Giovanni (author)
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Yang, Henry (author)
Staber, Philipp B. (author)
DiRuscio, Annalisa (author)
Welner, Robert S. (author)
Ebralidze, Alexander (author)
Zhang, Junyan (author)
Levantini, Elena (author)
Lefebvre, Veronique (author)
Valk, Peter J. M. (author)
Delwel, Ruud (author)
Hoogenkamp, Maarten (author)
Nerlov, Claus (author)
Cammenga, Jörg (author)
Lund University,Lunds universitet,Avdelningen för molekylärmedicin och genterapi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Molecular Medicine and Gene Therapy,Department of Laboratory Medicine,Faculty of Medicine
Saez, Borja (author)
Scadden, David T. (author)
Bonifer, Constanze (author)
Ye, Min (author)
Tenen, Daniel G. (author)
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 (creator_code:org_t)
Elsevier BV, 2013
2013
English.
In: Cancer Cell. - : Elsevier BV. - 1878-3686 .- 1535-6108. ; 24:5, s. 575-588
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Mutation or epigenetic silencing of the transcription factor C/EBP alpha is observed in similar to 10% of patients with acute myeloid leukemia (AML). In both cases, a common global gene expression profile is observed, but downstream targets relevant for leukemogenesis are not known. Here, we identify Sox4 as a direct target of C/EBP alpha whereby its expression is inversely correlated with C/EBP alpha activity. Downregulation of Sox4 abrogated increased self-renewal of leukemic cells and restored their differentiation. Gene expression profiles of leukemia-initiating cells (LICs) from both Sox4 overexpression and murine C/EBP alpha mutant AML models clustered together but differed from other types of AML. Our data demonstrate that Sox4 overexpression resulting from C/EBP alpha inactivation contributes to the development of leukemia with a distinct LIC phenotype.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cancer and Oncology (hsv//eng)

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