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Fibronectin promotes lung colony formation in the mouse by B16 melanoma cells spheroids
P Coucke1, M C De Pauw-Gillet, L De Leval
1Laboratory of Biology, University of Liège, Belgium.
In Vivo (Athens, Greece)
|September 1, 1992
Abstract:
By microscopical observation and using an original method of automatic image analysis, we studied on histological sections the rate of lung colony formation after intravenous injection into the mouse of B16 melanoma cells previously cultivated in vitro as pure or mixed spheroids (B16 + 3T3 fibroblasts). The preincubation in vitro of pure spheroids with fibronectin significantly increased the percentages of lung section area occupied by tumors and the relative number of internal lung colonies. This effect of fibronectin was even more obvious when mixed spheroids were injected.