IGF 1 LR3 ek modified peptide growth factor hai, jo natural Insulin Like Growth Factor ka engineered version mana jata hai. Iska purpose tha body mein longer activity aur stronger anabolic signaling Activation of insulin like growth factor 1 receptor (IGF 1R) promotes growth of colorectal cancer through triggering the MEX3A mediated degradation of RIG I ScienceDirect IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society Human LR3 IGF I Recombinant Protein Suitable for Cell Culture Ilex Life Sciences IGF 1 & LR3 (Build Blend) Peptide Therapies Elite Health HRT Recombinant expression of IGF 1 and LR3 IGF 1 fused with xylanase in Pichia pastoris Applied Microbiology and Biotechnology Springer Nature Link