before implantation we have pretreated mo4 cell aggregates with 1 microgram/ml of the microtubule inhibitors nocodazole ( nd ) and vincristine ( vcr ) , known to inhibit both proliferation and invasion , and with 1 microgram/ml 5-fluorouracil ( 5-fu ) , known to inhibit proliferation but not invasion .
C0007634
cell
C0026046
microtubule