Description
Buy PEG-MGF Peptides Europe
Welcome to euresearchpeptides.com — your trusted EU-based supplier of premium research peptides, SARMs, and laboratory chemicals. We specialize in high-purity peptides for research applications across Europe, serving laboratories, research institutions, and scientific professionals in Germany, France, the Netherlands, Spain, and the United Kingdom. buy peg-mgf peptide online
What Is PEG-MGF?
PEG-MGF (Pegylated Mechano Growth Factor) is a synthetic peptide analogue of the IGF-1 isoform known as Mechano Growth Factor (MGF), also designated IGF-1Ec . MGF is a splice variant of the insulin-like growth factor-1 gene that is expressed in response to mechanical strain and muscle tissue damage.
The key challenge with native MGF is its extremely short biological half-life — approximately 5 to 7 minutes in circulation . PEG-MGF addresses this limitation through pegylation: the covalent attachment of polyethylene glycol (PEG) polymers to the peptide molecule. This process creates a protective “shell” around the MGF peptide, significantly extending its stability and half-life from minutes to several days.
How PEG-MGF Works
PEG-MGF functions primarily through activation of satellite cells — muscle stem cells that reside beneath the basement membrane of muscle fibers. When muscle tissue experiences mechanical damage or strain, MGF is locally expressed to initiate repair and regeneration processes.
The mechanism involves:
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Satellite Cell Activation: PEG-MGF stimulates quiescent satellite cells to enter the cell cycle, proliferate, and fuse with existing muscle fibers
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Myoblast Formation: Activated satellite cells differentiate into myoblasts, which subsequently fuse to form new myotubes and mature muscle fibers
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Protein Synthesis Enhancement: The peptide promotes nitrogen retention and increases the rate of protein synthesis in skeletal muscle tissue
The pegylation process provides significant advantages for research applications. PEG conjugation prevents N-terminal degradation of the peptide in physiological environments, maintaining structural integrity and biological activity for extended periods .
Technical Specifications
| Parameter | Specification |
|---|---|
| Molecular Formula | C121H200N42O39 |
| Molecular Weight | 2867.14 g/mol |
| Sequence | Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-Arg-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-Arg-Lys-NH2 |
| Purity (HPLC) | >98% up to 99% |
| Single Impurity (HPLC) | ≤0.5% |
| Peptide Content (N%) | ≥80.0% |
| Water Content (Karl Fischer) | ≤8.0% |
| Acetate Content (HPLC) | ≤10.0% |
| Specific Rotation | (20/D) -55.0 to -65.0° (c=1 1%HAc) |
| Bacterial Endotoxins | ≤5 EU/mg |
| Mass Balance | 95.0-105.0% |
| Appearance | White to off-white lyophilized powder |
Solubility and Reconstitution
PEG-MGF is soluble in sterile water for injection or bacteriostatic water. For optimal results, research protocols typically recommend:
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Reconstitute with 0.9% sodium chloride solution or sterile water
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Acetic acid solution (0.1-1%) may be used to enhance solubility
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Gently swirl — do not shake vigorously to avoid denaturation
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Concentration ranges: 1-2 mg/mL typical for research applications
Stability and Storage
| Storage Condition | Stability Period |
|---|---|
| Lyophilized powder at -20°C | 24 months from date of receipt |
| Lyophilized powder at room temperature | 1-2 months |
| Reconstituted solution at 2-8°C | 1 month |
| Reconstituted solution at -20°C | 3 months (with carrier protein recommended) |
Important Storage Guidelines:
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Store lyophilized vials in a freezer at -20°C for long-term preservation
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Protect from light and moisture
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Avoid repeated freeze-thaw cycles
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For reconstituted solutions, add a carrier protein (0.1% HSA or BSA) for long-term stability
Known Research Applications
PEG-MGF has been extensively studied in biomedical research contexts:
Thrombopoiesis and Platelet Research:
PEGylated recombinant human megakaryocyte growth and development factor (PEG-rHuMGDF) has been investigated for its effects on platelet production. Clinical studies demonstrated that MGDF administration after chemotherapy significantly increased median nadir platelet counts (188,000 per cubic millimeter vs. 111,000 with placebo, P=0.013) and accelerated platelet count recovery .
Hematopoietic Recovery:
Research has shown PEG-MGF effectively eliminates thrombocytopenia associated with peripheral blood progenitor cell (PBPC) transplantation. Post-transplant treatment reduced thrombocytopenic days from 9 days to 1 day or less in recipient mice .
Osteogenesis and Bone Formation:
Studies in normal mice revealed that PEG-rHuMGDF induces bone formation by stimulating osteoblast differentiation while inhibiting osteoclast differentiation, mediated through increased TGF-β1 levels in bone marrow .
Muscle Repair and Regeneration:
PEG-MGF activates muscle satellite cells, increases stem cell count in muscle tissue, and promotes fusion and maturation of muscle fibers — processes essential for adult muscle growth and repair .
Handling Protocols and Safety Considerations
For in vitro and animal research applications only. Not for human consumption.
Reconstitution Protocol:
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Allow the lyophilized vial to reach room temperature (prevents moisture condensation)
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Add appropriate volume of sterile water for injection or bacteriostatic water
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Gently swirl until completely dissolved (do not shake)
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Store reconstituted solution according to stability guidelines
Dosage Guidelines for Animal Studies:
Based on published research, typical dosages in animal models range from 0.03 to 5.0 μg/kg/day . Always establish baseline parameters and adjust according to specific research protocols.
Safety Precautions:
-
Use appropriate personal protective equipment (gloves, lab coat, eye protection)
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Work in a properly equipped laboratory environment
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Dispose of materials according to institutional and local regulations
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Do not use if solution appears cloudy, discolored, or contains particulates
Quality Assurance
Every batch of PEG-MGF from euresearchpeptides.com undergoes rigorous quality control testing:
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HPLC purity analysis (>98% minimum)
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Mass spectrometry (ESI-MS) for molecular weight confirmation
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Amino acid composition analysis
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Bacterial endotoxin testing
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Heavy metals screening
Who Is This Product For?
| Research Focus | Application Suitability |
|---|---|
| Muscle Biology Laboratories | Satellite cell activation, muscle regeneration studies |
| Hematology Research | Thrombopoiesis, platelet production mechanisms |
| Cancer Research | Chemotherapy-induced thrombocytopenia models |
| Stem Cell Biology | Myosatellite cell differentiation and fusion |
| Bone Biology | Osteoblast/osteoclast differentiation pathways |
| Sports Science Research | Recovery mechanisms, tissue repair kinetics |
Why Researchers Trust euresearchpeptides.com
As a premium EU-based research peptide supplier, we are committed to:
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Quality Assurance: Every product batch verified by HPLC-MS
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EU-Compliant Shipping: Fast, discreet delivery across Germany, France, Netherlands, Spain, UK, and all European Union member states
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Competitive Pricing: Laboratory-grade peptides at research-friendly prices
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Technical Support: Expert guidance on reconstitution, storage, and research applications
👉 Explore our complete research peptide catalog at our official homepage.
Frequently Asked Questions (FAQ)
Q1: What is the difference between MGF and PEG-MGF?
A: Native MGF has an extremely short half-life of approximately 5-7 minutes in circulation, limiting its research utility. PEG-MGF has undergone pegylation — the attachment of polyethylene glycol (PEG) polymers — which extends the half-life to several days while maintaining biological activity .
Q2: What is the molecular weight of PEG-MGF?
A: The molecular weight of PEG-MGF is 2867.14 g/mol, with molecular formula C121H200N42O39 .
Q3: How should I store PEG-MGF?
A: Store lyophilized PEG-MGF at -20°C for long-term preservation (up to 24 months). At room temperature, stability is approximately 1-2 months. After reconstitution, store at 2-8°C for up to 1 month, or at -20°C for up to 3 months with added carrier protein .
Q4: What is the recommended reconstitution protocol?
A: Reconstitute with sterile water for injection or bacteriostatic water. For enhanced solubility, 0.1-1% acetic acid solution may be used. Gently swirl to dissolve — do not shake vigorously. Typical concentration ranges for research are 1-2 mg/mL.
Q5: What purity level does euresearchpeptides.com provide?
A: Our PEG-MGF is tested at >98% purity by HPLC, with single impurity ≤0.5%, meeting rigorous research-grade standards .
Q6: What are the primary research applications for PEG-MGF?
A: PEG-MGF is used in muscle biology research (satellite cell activation, muscle regeneration), hematology (thrombopoiesis, platelet recovery), bone biology (osteoblast/osteoclast differentiation), and stem cell research .
Q7: Has PEG-MGF been studied in clinical trials?
A: Yes, PEG-rHuMGDF (a related molecule) has been studied in clinical trials for chemotherapy-induced thrombocytopenia, demonstrating significant platelet count recovery .
Q8: Do you ship PEG-MGF to my country?
A: As an EU-based supplier, we ship to all European Union member states including Germany, France, Netherlands, Spain, Italy, Belgium, Austria, and Switzerland. We also ship to the United Kingdom and other European countries. Contact our team for specific shipping inquiries.
Q9: How can I buy PEG-MGF for research?
A: Visit euresearchpeptides.com to purchase PEG-MGF online with secure payment processing. We offer competitive pricing for research quantities and bulk orders.
Q10: What quality testing is performed on each batch?
A: Each batch undergoes HPLC purity analysis, mass spectrometry (ESI-MS) confirmation, amino acid composition testing, bacterial endotoxin screening, and heavy metals analysis.








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