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It is important to bear in mind that IGF-1 serum concentration is 100-fold greater than insulin, however when bound to IGFBPs its biological activity is modulated and in its free-unbound form presents different effects [99, 157]

Liang and Fishman, 2004)

[DOI] [PMC free article] [PubMed] [Google Scholar] 73.Park H.J., Zhang N., Park D.K

Reduction and Functional Exhaustion of T Cells in Patients With Coronavirus Disease 2019 (COVID-19)
