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. 2012 Apr 12;7(4):e34658. doi: 10.1371/journal.pone.0034658

Figure 2. Antagonist activity of single chain variable fragments.

Figure 2

LMH 85 and LMH 87 were converted into scFv format and tested for their ability to block HGF/SF stimulation of the c-MET receptor. A549 cells were treated with either scFv 85 or scFv 87 and then HGF/SF added. A vehicle control without HGF/SF was included. Whole cell lysates were then probed for total c-MET (upper panel), phosphorylated c-MET (Tyr1234/1235; middle panel) and pan-actin to control for loading (bottom panel). The phosphorylated c-MET blot shows that scFv 85, but not scFv 87, inhibited HGF/SF stimulation of c-MET.