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Transformation of Rat Glioma Cells With the M-CSF Gene Inhibits Tumorigenesis in Vivo

Transformation of Rat Glioma Cells With the M-CSF Gene Inhibits Tumorigenesis in Vivo

H Yoshioka, S Hama, T Sadatomo, E Taniguchi, K Harada, K Sugiyama, F Kimura, K Motoyoshi, K Kurisu

J Neurooncol. 1998 Dec;40(3):197-204.

PMID: 10066091

Abstract:

Macrophage colony-stimulating factor (M-CSF) is a potent stimulator of the effector cells such as monocytes and macrophages. To evaluate the effect of M-CSF on malignant gliomas, we transfected the rat gliosarcoma cell line (9L) with human M-CSF expression vector (pCEF-MCSF) by a liposome method. Transfectants were selected using G418-containing medium. As a control, 9L cells transfected with pRc/CMV and selected by G418 were used. The effects of M-CSF gene transfection on tumor cell proliferation in vitro and in vivo were examined. All growth rate did not change in vitro. While the control 9L cells formed progressively enlarging masses, 9L cells transfected with the M-CSF gene did not develop into tumors after the injection into rats. On the other hand, in rats receiving anti-asialo GM1 antibody, 9L cells transfected with M-CSF gene developed into tumors, though at a slower rate than control 9L cells. Histologic examination after transplantation of 9L cells transfected with M-CSF gene disclosed intense infiltration of macrophages in the tumor. Thus M-CSF gene transfection into glioma cells stimulates an antitumor effect.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42413278	M-CSF from rat			Price

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