PEG-MGFPEG-MGF
PEGylated mechano growth factor variant with extended half-life for sustained muscle repair signaling.
Available Forms
Key Benefits
Overview
PEG-MGF (pegylated mechano growth factor) is a modified variant of MGF, a splice variant of IGF-1 generated in response to mechanical stress and tissue damage in skeletal muscle. The PEGylation process attaches polyethylene glycol chains to the peptide, dramatically extending its circulating half-life from minutes to hours while preserving its biological activity. MGF activates satellite cells and promotes their proliferation, a critical step in muscle repair and adaptation that precedes the differentiation phase driven by systemic IGF-1Ea. This sequential activation makes PEG-MGF particularly effective when studied alongside IGF-1 in muscle regeneration protocols. Research has demonstrated that PEG-MGF supports recovery from muscle injury, enhances the response to mechanical loading, and may counteract age-related satellite cell decline. Its extended half-life enables practical research dosing schedules, making it a valuable tool in sports science, sarcopenia, and neuromuscular disease research.
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