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E-Peptides Control Bioavailability of IGF-1
Figure 4
E-peptides bind heparin-agarose.
Binding of IGF-1 isoforms to heparin coated agarose beads (lanes 2–4) and control agarose beads (lanes 6–8). The control lane (9) is the growth medium from IGF-1EbCD transfected cells.
doi: https://doi.org/10.1371/journal.pone.0051152.g004