Adenoviral E1A-associated protein p300 is involved in acute myeloid leukemia with t(11;22)(q23;q13)

Kohmei Ida, Issay Kitabayashi, Tomohiko Taki, Masafumi Taniwaki, Keiko Noro, Masao Yamamoto, Misao Ohki, Yasuhide Hayashi

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229 Citations (Scopus)

Abstract

p300, which was originally cloned as a nuclear binding target of the adenovirus E1A oncoprotein, forms a family with cyclic-AMP response element binding protein (CREB)-binding protein (CBP). p300/CBP are considered to be transcriptional coactivators that connect the basal transcriptional machinery to various DNA-binding transcriptional factors. p300/CBP are implicated in both cell differentiation and regulation of cell-cycle. We identify here that the p300 gene is fused to the MLL gene and that in-frame MLL-p300 fusion protein is generated in acute myeloid leukemia (AML) with t(11;22)(q23;q13). These finding suggest that the basis for the leukemogenesis of t(11;22)-AML is the inability of p300 to regulate cell-cycle end cell differentiation after fusion with MLL.

Original languageEnglish
Pages (from-to)4699-4704
Number of pages6
JournalBlood
Volume90
Issue number12
DOIs
Publication statusPublished - 15-12-1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology

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