Growth-factor signaling (IGF / MGF): a research overview
A neutral overview of IGF and mechano-growth-factor signaling and how the related reference peptides are studied. Educational only.
A neutral overview of insulin-like growth factor (IGF) and mechano-growth-factor (MGF) signaling as described in the research literature. This page is educational and describes mechanisms only.
IGF and MGF
IGF-1 is a growth factor downstream of GH signaling; MGF is a splice variant of the IGF-1 gene expressed in response to mechanical load. Engineered reference peptides such as IGF-1 LR3 and PEG-MGF are studied as stable analogues for probing these pathways in vitro.
Receptor signaling
IGF-1 acts mainly through the IGF-1 receptor, a receptor tyrosine kinase that activates PI3K/Akt and MAPK cascades. Research focuses on receptor binding, half-life of the analogue versus the native factor, and downstream signaling readouts in cell models.
Research directions
Active questions include the comparative signaling of IGF-1 analogues and the role of MGF splice variants in tissue-signaling research. For how these reference peptides are analytically characterised, see batch traceability and counter-ion analysis.
Research use only. All products and content are intended strictly for in-vitro laboratory research and analytical use. Not for human or veterinary use, not for consumption, and not for any diagnostic or therapeutic purpose.