Attenuated glucose stimulated insulin secretion during an acute IGF 1 LR3 infusion into fetal sheep does not persist in isolated islets Journal of Developmental Origins of Health and Disease Cambridge Core INSUGRO DS ( IGF1 DES): Targeted Muscle Growth, Enhanced Fat Burn, and onestop.fit IGF 1 Therapy Improves Muscle Size and Function in Experimental Peripheral Arterial Disease ScienceDirect IGF DES Localized Igf 1 transgene expression sustains hypertrophy and regeneration in senescent skeletal muscle Nature Genetics IGF 1 LR3 EQUINE MEDCARE