PU.1 and CEBPA expression in acute myeloid leukemia

Francesco D'Alò, Annalisa Di Ruscio, Francesco Guidi, Emiliano Fabiani, Mariangela Greco, Carlo Rumi, Stefan Hohaus, Maria Teresa Voso, Giuseppe Leone

Research output: Contribution to journalArticlepeer-review

Abstract

Alterations of the transcription factors CCAAT/enhancer binding protein alpha (CEBPA) and PU.1 have been described in acute myeloid leukemia (AML). We studied CEBPA and PU.1 mRNA levels by real-time RT-PCR in 109 primary AML samples, compared with normal bone marrow and peripheral blood cells. Low PU.1 levels were observed in monoblastic leukemias, while low CEBPA levels were associated with leukopenia at diagnosis and lack of expression of differentiation antigens CD33 and CD11c. We conclude that down-regulation of CEBPA and PU.1 is not a general feature of primary AML, but appears to be restricted to distinct AML subtypes.

Original languageEnglish
Pages (from-to)1448-1453
Number of pages6
JournalLeukemia Research
Volume32
Issue number9
DOIs
Publication statusPublished - Sept 2008
Externally publishedYes

Keywords

  • Acute myeloid leukemia
  • CEBPA
  • PU.1
  • Transcription factors

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