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Muscle & IGF Research Peptides
IGF-family research compounds used in muscle-cell and tissue-growth models. Each is an engineered variant of insulin-like growth factor 1 or the related mechano growth factor, modified to change how strongly it binds IGF-binding proteins or how long it persists. Strengths and formats are listed per product. Laboratory research use only, not for human use.
Lower price per vial than single vials
Research Compounds
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PEG-MGF
(PEGylated Mechano Growth Factor)
PEG-MGF is a PEGylated analogue of mechano growth factor, an IGF-1-related peptide. Studied in muscle-cell models for IGF signalling, satellite-cell biology and the effects of PEGylation.
IGF-1 LR3
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(Insulin-like Growth Factor-1 Long Arg3)
IGF-1 LR3 is a modified insulin-like growth factor-1 analogue with an extended N-terminal sequence and Arg3 substitution. Investigated for IGF-1 receptor signalling and IGF-binding-protein interactions.
IGF-DES
(DES(1-3)IGF-1, Truncated IGF-1)
IGF-DES is an IGF-1 analogue lacking its first three N-terminal amino acids. Studied for IGF receptor activity and altered interactions with IGF-binding proteins in cell models.
What you will find here
IGF-1 LR3 is an 83-amino-acid IGF-1 analogue with an arginine at position 3 and an N-terminal extension; both reduce binding to IGF-binding proteins and lengthen its half-life to roughly a day. IGF-DES lacks the first three N-terminal residues, which also lowers IGF-binding-protein affinity but leaves a very short half-life, so it suits models where local exposure is the variable. PEG-MGF is mechano growth factor conjugated to polyethylene glycol, extending a native half-life of minutes to hours. Choosing between them is mostly a question of binding-protein affinity and duration, which each product page sets out.
Research guides: Muscle & IGF Research
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Research peptides. Third-party Certificates of Analysis (Janoshik Analytical & Freedom Diagnostics) are published on the website. Supplied strictly for laboratory research use.
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Research use only - all claims made on this site are for testing and research use only. Purchasers must be 21 years of age or older.
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[image: PEG-MGF research peptide vial - muscle growth compound]
[image: IGF-1 LR3 research peptide vial - muscle growth compound]
[image: IGF-DES research protein vial - truncated DES(1-3) IGF-1 analogue, >98% pure]
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[image: Verified by Metrix]