Buy Bulk MGF (Mechano Growth Factor) 2mg

Mechano Growth Factor (MGF) is a synthetic 24-residue peptide corresponding to the E-domain of IGF-1Ec, a splice variant of insulin-like growth factor 1 (IGF-1) distinct from the mature, receptor-binding form of the hormone.

Human Muscle Progenitor Cell Research

Researchers studying the MGF-E peptide in human muscle progenitor cells reported that it activated these cells and boosted their capacity to fuse into myotubes, an effect seen consistently across progenitor cells sourced from donors spanning a range of ages.¹

Neuronal Cell Stress Research

In vitro studies using SH-SY5Y cells, an established human neuroblastoma cell line, examined MGF's effects against toxicity induced by 6-hydroxydopamine, rotenone, and MPP+, three compounds commonly used to model neurotoxic stress in cultured neuronal cells.

MGF was found to inhibit apoptosis and prevent mitochondrial membrane depolarization in this cell-based system, with the protective effect linked to heme oxygenase-1 (HO-1) rather than Akt signaling, distinguishing its mechanism from IGF-1's own neuroprotective pathway.²

Peptide Structure: The E-Domain Versus Mature IGF-1

MGF corresponds to the C-terminal E-domain cleaved away during processing of the full IGF-1 precursor, distinguishing it structurally from the 70-amino-acid mature IGF-1 protein that retains the classic IGF-1 receptor-binding domains.

Its basic core, rich in lysine and arginine residues, combined with a short acidic Glu-Glu segment near the C-terminus, gives MGF a charge and solubility profile distinct from mature IGF-1.

Analytical Purity Verification for Bulk Quantities

As a 24-residue peptide with several basic residues clustered together, MGF synthesis is prone to specific byproducts such as incomplete couplings around the arginine- and lysine-rich core.

For bulk orders, researchers are encouraged to confirm that combined HPLC and mass spectrometry data reflects the specific production batch supplied, since this clustering can affect batch-to-batch consistency more than in peptides with a more even charge distribution.

Storage and Handling in the Laboratory Setting

Lyophilized MGF is stored under sub-zero freezer conditions to preserve integrity, since degradation could otherwise introduce variability into cell-based assays examining progenitor cell activation or other MGF-related signaling endpoints.

When a bulk shipment arrives, most laboratories immediately redistribute it across multiple smaller vials rather than keeping the full quantity in one container, since each time a large container is opened its remaining contents face a fresh round of exposure to air and ambient temperature.

Important Notice

This product is strictly intended for in vitro laboratory research use only. It is not approved for any form of human consumption, diagnostic procedures, or medical treatment. Its use is restricted to controlled research environments, and these findings do not establish safety, efficacy, or suitability for any human application.

Product Information

MGF is supplied as a research reagent for laboratory use only, available in bulk quantity.

References

1. Kandalla PK, Goldspink G, Butler-Browne G, Mouly V. Mechano Growth Factor E peptide (MGF-E), derived from an isoform of IGF-1, activates human muscle progenitor cells and induces an increase in their fusion potential at different ages. Mech Ageing Dev. 2011;132(4):154-162.
2. Quesada A, Micevych P, Handforth A. C-terminal mechano growth factor protects dopamine neurons: a novel peptide that induces heme oxygenase-1. Exp Neurol. 2009;220(2):255-266.