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题目:
Mesenchymal progenitor cell-mediated inhibition of tumor growth in vivo and in vitro in gelatin matrix.
作者:
Ohlsson(Lars Bryngelson),Varas(Laura),Kjellman(Christian),Edvardsen(Klaus),Lindvall(Magnus)
状态:
发布时间2003-11-12 , 更新时间 2012-11-15
期刊:
Exp Mol Pathol
摘要:
A preformed gelatin matrix containing adherent rat colon carcinoma cells was transplanted subcutaneously into rats to analyze the outgrowth of the tumor and the inflammatory response. The gelatin matrix simplifies the precise localization of the tumor cells early after implantation and allows the gelatin piece with a growing tumor to be dissected for analysis in vitro, after various times in vivo. The immortalized mesenchymal progenitor cell line MPC1cE was cocultured with rat colon carcinoma cells in vivo in gelatin matrix. The mesenchymal progenitor cells inhibited the outgrowth of the rat colon carcinoma and a complete inhibition was seen if the number of mesenchymal progenitor cells were at least equal to the number of tumor cells. The mixture of tumor cells and mesenchymal progenitor cells induced more infiltration of monocytes and granulocytes than tumor cells or mesenchymal progenitor cells alone. Infiltration of T cells and CD31+ endothelial cells correlated to the presence of tumor cells and not to mesenchymal progenitor cells. These findings suggest that tumor cell culture in vivo in a gelatin matrix is effective for early localization of tumor cells in vivo and that mesenchymal progenitor cells effectively inhibit the growth of the tumor cells in vivo.
语言:
eng
DOI:

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