Frontiers Insulin like growth factor 1 signaling in the tumor microenvironment: Carcinogenesis, cancer drug resistance, and therapeutic potential Decoding the Role of Insulin like Growth Factor 1 and Its Isoforms in Breast Cancer Serum levels of IGF 1 and IGF BP3 are associated with event free survi OTT Dove Medical Press Some peptides can be risky if someone has active or recent cancer. Peptides that raise growth hormone or IGF 1, like IGF 1 LR3, IGF 1 DES, Tesamorelin, Sermorelin, CJC 1295, and Ipamorelin, increase