{
    "schema": 1,
    "fid": "peg-mgf",
    "type": "article",
    "object_id": 450,
    "title": "PEG-MGF: Reference Overview and Reconstitution Notes",
    "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
    "url": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf",
    "facts_url": "https://www.preppinpeppers.com/facts/peg-mgf",
    "currency": null,
    "tldr": "PEG-MGF is a pegylated form of Mechano Growth Factor, an IGF-1 splice variant, studied in muscle and tissue-repair research. Reference and handling notes.",
    "facts": [
        {
            "id": "peg-mgf:title",
            "category": "identity",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "title",
            "value": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:published",
            "category": "identity",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "published",
            "value": "2026-08-15",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:author",
            "category": "identity",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "author",
            "value": "Preppin' Peppers Editorial Team",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:topics",
            "category": "identity",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "topics",
            "value": "research, Research-only",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:summary",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "summary",
            "value": "PEG-MGF is a pegylated form of Mechano Growth Factor, an IGF-1 splice variant, studied in muscle and tissue-repair research. Reference and handling notes.",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-1",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "What it is",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-2",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "PEG-MGF",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-3",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "What it is",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-4",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Research context and categorization",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-5",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Status",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-6",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Reconstitution notes (general)",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-7",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Dilution and handling notes (compound-specific)",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-8",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Handling and storage",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-9",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Related reading",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-10",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "Tools and supplies",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:section-12",
            "category": "content",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "section",
            "value": "What the research community gets wrong about PEG-MGF handling",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf"
        },
        {
            "id": "peg-mgf:product-gansulin-metal-peptide-pen",
            "category": "products",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "references product",
            "value": "Gansulin Pen · Reusable Click-Dial, 3 ml (1-60 Units)",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/products/gansulin-metal-peptide-pen"
        },
        {
            "id": "peg-mgf:product-gansulin-3ml-cartridge",
            "category": "products",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "references product",
            "value": "Gansulin-Compatible 3 ml Glass Cartridge for Pens (10-Pack)",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.preppinpeppers.com/products/gansulin-3ml-cartridge"
        },
        {
            "id": "peg-mgf:source-pmc-ncbi-nlm-nih-gov",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "Schlegel et al., PLoS One 2013: Insulin-like growth factor I (IGF-1) Ec/Mechano Growth factor--a splice variant of IGF-1 within the growth plate - pmc.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://pmc.ncbi.nlm.nih.gov/articles/PMC3795771/"
        },
        {
            "id": "peg-mgf:source-pubmed-ncbi-nlm-nih-gov",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "Riddoch-Contreras et al., Exp Neurol 2009: Mechano-growth factor, an IGF-I splice variant, rescues motoneurons and improves muscle function in SOD1(G93A) mice - pubmed.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://pubmed.ncbi.nlm.nih.gov/19038252/"
        },
        {
            "id": "peg-mgf:source-pubmed-ncbi-nlm-nih-gov-2",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "Zhang et al., Biotechnol Lett 2016: Mechano-growth factor E peptide promotes healing of rat injured tendon - pubmed.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://pubmed.ncbi.nlm.nih.gov/27334712/"
        },
        {
            "id": "peg-mgf:source-www-uniprot-org",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "UniProtKB/Swiss-Prot P05019: Insulin-like growth factor 1 (IGF1, Homo sapiens), UniProt release 2026-03 - www.uniprot.org",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://www.uniprot.org/uniprotkb/P05019/entry"
        },
        {
            "id": "peg-mgf:source-pubmed-ncbi-nlm-nih-gov-3",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "Li et al., Biotechnol Lett 2015: Mechano-growth factor enhances differentiation of bone marrow-derived mesenchymal stem cells - pubmed.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://pubmed.ncbi.nlm.nih.gov/26330369/"
        },
        {
            "id": "peg-mgf:source-pmc-ncbi-nlm-nih-gov-2",
            "category": "source",
            "entity": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "attribute": "cites",
            "value": "Zuma et al., Biomed Res Int 2022: Protein PEGylation: Navigating Recombinant Protein Stability, Aggregation, and Bioactivity - pmc.ncbi.nlm.nih.gov",
            "source": "Lab article (https://www.preppinpeppers.com/blogs/the-lab/peg-mgf)",
            "evidence": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9343206/"
        }
    ],
    "buy": [],
    "faq": [
        {
            "q": "What is PEG-MGF and how does PEGylation affect it?",
            "a": "PEG-MGF is a polyethylene glycol–modified form of Mechano Growth Factor, a splice variant of IGF-1. The PEG coating slows enzymatic breakdown, extending solution stability far beyond the unmodified peptide. Research use only; not FDA-approved."
        },
        {
            "q": "How do you reconstitute PEG-MGF in the lab?",
            "a": "Add bacteriostatic water to the lyophilized vial; concentration (mg/mL) = total vial milligrams ÷ milliliters of solvent added. Example: 2 mg vial + 2 mL water = 1 mg/mL. Use a peptide calculator for other vial sizes and target concentrations."
        },
        {
            "q": "Is PEG-MGF banned by WADA?",
            "a": "Yes. WADA lists Mechano Growth Factors under class S2 (Peptide Hormones, Growth Factors, Related Substances, and Mimetics). As a modified MGF derivative, PEG-MGF falls under the same year-round, in- and out-of-competition ban."
        }
    ],
    "jsonld": [
        {
            "@context": "https://schema.org",
            "@type": "Article",
            "headline": "PEG-MGF: Reference Overview and Reconstitution Notes",
            "url": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf",
            "mainEntityOfPage": "https://www.preppinpeppers.com/blogs/the-lab/peg-mgf",
            "datePublished": "2026-08-15",
            "dateModified": "2026-10-16",
            "author": {
                "@type": "Person",
                "name": "Preppin' Peppers Editorial Team"
            },
            "publisher": {
                "@type": "Organization",
                "name": "PreppinPeppers"
            },
            "description": "PEG-MGF is a pegylated form of Mechano Growth Factor, an IGF-1 splice variant, studied in muscle and tissue-repair research. Reference and handling notes."
        },
        {
            "@context": "https://schema.org",
            "@type": "FAQPage",
            "url": "https://www.preppinpeppers.com/facts/peg-mgf",
            "mainEntity": [
                {
                    "@type": "Question",
                    "name": "What is PEG-MGF and how does PEGylation affect it?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "PEG-MGF is a polyethylene glycol–modified form of Mechano Growth Factor, a splice variant of IGF-1. The PEG coating slows enzymatic breakdown, extending solution stability far beyond the unmodified peptide. Research use only; not FDA-approved."
                    }
                },
                {
                    "@type": "Question",
                    "name": "How do you reconstitute PEG-MGF in the lab?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Add bacteriostatic water to the lyophilized vial; concentration (mg/mL) = total vial milligrams ÷ milliliters of solvent added. Example: 2 mg vial + 2 mL water = 1 mg/mL. Use a peptide calculator for other vial sizes and target concentrations."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Is PEG-MGF banned by WADA?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Yes. WADA lists Mechano Growth Factors under class S2 (Peptide Hormones, Growth Factors, Related Substances, and Mimetics). As a modified MGF derivative, PEG-MGF falls under the same year-round, in- and out-of-competition ban."
                    }
                }
            ]
        }
    ],
    "dates": {
        "published": "2026-08-15",
        "modified": "2026-10-16"
    }
}