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- IGF-1 LR3 is a research peptide analog studied in models involving IGF-1 receptor signaling, cellular growth pathways, protein synthesis research, glucose-related signaling, tissue-response models, and anabolic pathway biology
Peptides can be naturally occurring , synthetically manufactured , or structurally modified and the distinction matters, especially for drug testing, clinical use, and performance enhancement
The authors also demonstrated an important role for CGRP in maintaining airway progenitor cells, which they speculated might be important for lung injury and repair in CF airways
Examples of peptide hormones and analogues are human growth hormone (hGH), human chorionic gonadotropin (hCG), and erythropoietin (EPO)