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Detection of LongR<sup>3</sup> -IGF-I, Des(1-3)-IGF-I, and R<sup>3</sup> -IGF-I using immunopurification and high resolution mass spectrometry for antidoping purposes.
IGF-1 DES (Des(1-3) IGF-1) · Drug testing and analysis · 2021 · Observational · Preclinical
The study found that Des(1-3)-IGF-I and R<sup>3</sup>-IGF-I can be detected in rats for up to 24 hours after a single injection, while LongR<sup>3</sup>-IGF-I is undetectable after 4 hours.
Des(1-3)-IGF-I and R<sup>3</sup>-IGF-I detectable until 24 h after 100 μg/kg IM injection in rats.