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Updated: Aug 29, 2026
Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
Stat3-dependent induction of interleukin-3 receptor expression in leukemia inhibitory factor-stimulated M1 mouse
Takashi Iwamoto1, Takeshi Senga, Koichi Adachi
1Radioisotope Research Center Medical Division, Nagoya University School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi 466-8550, Japan. iwamoto@med.nagoya-u.ac.jp
M1 mouse leukemia cells differentiate to macrophages/monocytes by the stimulation of interleukin-6 (IL-6)/leukemia inhibitory factor (LIF). To identify new LIF-induced genes, we have performed representational difference analysis using M1 cells and cloned mouse interleukin-3 (IL-3) receptor beta subunit gene. The mRNA expression of both IL-3 receptor (IL-3R) alpha and beta subunits is upregulated after 1 h stimulation of LIF and remains to be elevated along the differentiation of M1 cells. This induction is almost completely suppressed in M1 cells expressing a dominant negative form of Stat3. Furthermore, we show that IL-3-induced Stat5 phosphorylation increases in LIF-stimulated M1 cells. These results suggest that Stat3 may play a role in the differentiation of myeloid cells by regulating IL-3R expression.
M1 mouse leukemia cells differentiate to macrophages/monocytes by the stimulation of interleukin-6 (IL-6)/leukemia inhibitory factor (LIF). To identify new LIF-induced genes, we have performed representational difference analysis using M1 cells and cloned mouse interleukin-3 (IL-3) receptor beta subunit gene. The mRNA expression of both IL-3 receptor (IL-3R) alpha and beta subunits is upregulated after 1 h stimulation of LIF and remains to be elevated along the differentiation of M1 cells. This induction is almost completely suppressed in M1 cells expressing a dominant negative form of Stat3. Furthermore, we show that IL-3-induced Stat5 phosphorylation increases in LIF-stimulated M1 cells. These results suggest that Stat3 may play a role in the differentiation of myeloid cells by regulating IL-3R expression.
