Supplementary figure 1– Confirming rIGFBP-1 n-terminal deletion does not bind IGF-I

A: IGF-I Ligand blot analysis of recombinant IGFBP-1 and n-terminal deletion non IGF-I binding IGFBP-1. B: Western immunoblot against IGFBP-1. C: Show graphically after quantification by densitometry.