passages.id: split_6_test_1133_passage
passages.type: progene_text
passages.text: Expression of wild - type RAFTK ( WT ) significantly increased MDA-MB-435 and MCF-7 breast cancer cell invasion , while expression of the kinase - mutated RAFTK - R457 ( KM ) or the Src binding site mutant RAFTK ( 402 ) did not affect this cell invasion .