Increased expression of aml1 during retinoic-acid-induced differentiation of U937 cells

Kozo Tanaka, Tomoyuki Tanaka, Seishi Ogawa, Mineo Kurokawa, Kinuko Mitani, Yoshio Yazaki, Hisamaru Hirai

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

The AML1 gene on chromosome 21 is disrupted in the (8;21)(q22;q22) and (3;21)(q26;q22) translocations associated with myelogenous leukemias and encodes a DNA binding protein. From the AML1 gene, three proteins, AML1a, AML1b and AML1c, are produced by alternative splicings. We previously showed that AML1 is potentially involved in myeloid cell differentiation. Here we analyzed the expression of AML1 in myeloid cell lines. It was revealed that AML1b and AML1c are the major AML1 proteins in these cell lines and that prior to morphological and functional differentiation, their expressions increase in U937 cells when treated with all-trans retinoic acid. These data suggest that the expression of AML1 is associated with myeloid cell differentiation.

Original languageEnglish
Pages (from-to)1023-1030
Number of pages8
JournalBiochemical and biophysical research communications
Volume211
Issue number3
DOIs
Publication statusPublished - 1995 Jun 26
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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