Insulin-like Growth Factor 1 (IGF-1) also known as somatomedin C is the principal effector of growth hormone and is structurally and functionally related to insulin but with significantly stronger growth-promoting activity Plays essential roles in cell proliferation migration and differentiation in muscle regeneration and bone growthLeveraged in oncology and neurodegenerative disease therapy along with IGF-1 pathways as active areas of investigationApproved for the treatment of severe primary IGF-1 deficiency such as Laron syndrome or in children with growth hormone deficiency who develop anti-GH antibodies The biological activity of CTGrade GMP interleukins and growth factors is standardized where applicable to WHO International standards providing cell and gene therapy developers consistent lot-to-lot biological activity and performance