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. 2006 May 12;103(21):8155–8160. doi: 10.1073/pnas.0602877103

Fig. 4.

Fig. 4.

Effect of tethered IGF-1 on new protein synthesis. Increase in cardiomyocyte [3H]phenylalanine incorporation after 14 days with tethered IGF-1 coupled with streptavidin in biotinylated peptide nanofibers (b-IGF-1 + BP) compared with peptide nanofibers alone and untethered IGF-1 coupled with streptavidin with control nonbiotinylated peptide nanofibers (b-IGF-1 + P).