Specimen processing time and measurement of total insulin-like growth factor-I (IGF-I), free IGF-I, and IGF binding protein-3 (IGFBP-3)
Harris T, Strickler H, Yu H, Pollak M, Monrad E, Travin M, Xue X, Rohan T, Kaplan R. Specimen processing time and measurement of total insulin-like growth factor-I (IGF-I), free IGF-I, and IGF binding protein-3 (IGFBP-3). Growth Hormone & IGF Research 2006, 16: 86-92. PMID: 16530441, DOI: 10.1016/j.ghir.2006.01.002.Peer-Reviewed Original ResearchConceptsFree IGF-I levelsIGF-I levelsInsulin-like growth factorTotal IGFIGFBP-3 levelsFree IGFIGFBP-3Blood specimensBlood collectionEpidemiologic studiesTotal insulin-like growth factorSerum separation tubesGrowth factorRisk of cancerEquation linear regression modelsSerum levelsCardiovascular diseaseMajor binding proteinSerum valuesIGFCommercial assaysIGFBPSpecimen processing timeProtein 3Immunosorbent assay