Overexpression of M-CSF Promotes Proliferation of MCF7 Cells

TUJian;YAOZhi-Hong;LONGZhi-Feng;ZHUBing-Yang;TANGSheng-Song

Chinese Journal of Biochemistry and Molecular Biology ›› 2009, Vol. 25 ›› Issue (02) : 132-136.

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Chinese Journal of Biochemistry and Molecular Biology ›› 2009, Vol. 25 ›› Issue (02) : 132-136.
Research Papers

Overexpression of M-CSF Promotes Proliferation of MCF7 Cells

  • TU Jian1);YAO Zhi-Hong1);LONG Zhi-Feng2);ZHU Bing-Yang
    1);TANG Sheng-Song1) *
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Abstract

To explore the effect of macrophage colony stimulating factor (M-CSF)
on the cell proliferation, pCMV/cyto/myc-M-CSF vectors were transfected into
MCF7 cells using liposomes and screened with G418. RT-PCR, Western blot and immunofluorescence assays were performed to verify the M-CSF mRNA or protein expressions and localization. The results indicated that a high level of M-CSF expression in the cytoplasm was detected which promoted cell proliferation as shown by cell doubling time, MTT assays in M-CSFtransfected MCF7 cells. In addition, the proliferation of MCF7 cells transfected with M-CSF-specific antisense oligonucleotides was significantly inhibited than those of pCMV/cyto/myc transfected or untransfected MCF7 cells. We conclude that the overexpression of MCSF promotes the proliferation of MCF7 cells.

Key words

macrophage colony stimulating factor (MCSF) / pCMV/cyto/myc-M-CSF vector / MCF7 cells / cytoplasm / cell proliferation

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TUJian;YAOZhi-Hong;LONGZhi-Feng;ZHUBing-Yang;TANGSheng-Song.

Overexpression of M-CSF Promotes Proliferation of MCF7 Cells

[J]. Chinese Journal of Biochemistry and Molecular Biology, 2009, 25(02): 132-136

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