Fetal bovine serum (FBS) supplemented to the culture medium inhibited the metastasis of B16BL6 melanoma cells in a dose-dependent manner. This metastasis-inhibiting activity was accompanied by growth-promoting activity, up to the concentration of 10% FBS, However, among the clones isolated from B16BL6 cells, there were clones in which FBS significantly inhibited the metastasis without promoting their growth. Dialysis (cutoff M.W, 8000 Da) removed the metastasis-inhibiting activity but not the growth-promoting activity from FBS. These results indicate that FBS has metastasis-inhibiting activity which is independent of growth-promoting activity, and that the metastasis-inhibiting activity is carried by molecules removed by dialysis.
机构:
China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China
Wang, Di
Guo, Shu
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China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China
Guo, Shu
Han, Si-Yuan
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China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China
Han, Si-Yuan
Xu, Nan
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China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China
Xu, Nan
Guo, Jia-Yan
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China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China
Guo, Jia-Yan
Sun, Qing
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China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R ChinaChina Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China