Induction of Sp1-p53 DNA-binding heterocomplexes during granulocyte/macrophage colony-stimulating factor-dependent proliferation in human erythroleukemia cell line TF-1.

Abstract excerpt

The involvement of Sp1 in regulating cell proliferation in myeloid leukemia cells was determined by measuring the levels and DNA binding activity of Sp1 in TF-1 cells, a human erythroleukemia cell line dependent on granulocyte/macrophage colony-stimulating factor (GM-CSF) for viability and cell growth. DNA binding of Sp1 to a specific double-stranded oligodeoxynucleotide was increased markedly in a dose-dependent...

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