Competition curves for displacement of 125I-IGF-1 from Hybrid-A and Hybrid-B with human insulin IGF-1, insulin detemir, insulin glargine, insulin X10 or IGF-1 in SPA binding assay.

<p>The graphs are representatives of three experiments. Each point in the graphs is the mean (±SE) of three measurements. IGF-1, insulin-like growth factor 1; SPA, scintillation proximity assay.