Premium IGF LR3 (Long arginine 3-IGF-1) 1mg for Sale | 1mg per vial | ≥97% Purity | 48-Hour Delivery Across EU & UK
IGF1-LR3 1mg: Research-Grade Long R3 IGF-1 Peptide for Cellular Growth & Signaling Research
peptology.store is proud to present IGF1-LR3 1mg, a research-grade insulin-like growth factor analogue supplied for laboratory investigations involving IGF-1 receptor signaling, cellular proliferation, differentiation, tissue biology, metabolic signaling, and growth-factor research.
IGF1-LR3, commonly referred to as Long R3 IGF-1, is a modified form of insulin-like growth factor-1 (IGF-1). The LR3 modification is designed to alter interactions with IGF-binding proteins and thereby provide researchers with a useful experimental analogue for investigating IGF-associated signaling. Research on IGF-1 demonstrates extensive involvement in cellular growth, differentiation, metabolism, and tissue biology.
As a dedicated EU peptide supplier and peptide vendor UK, Peptology Store provides research compounds with documented specifications intended to support controlled laboratory workflows.
For researchers seeking to buy peptide online for investigations into tissue repair, inflammatory bowel disease, musculoskeletal recovery, or neuroregeneration, Peptology Store offers this premium research compound with comprehensive documentation, including Certificates of Analysis and batch-specific purity data. Whether your laboratory is based in London, Berlin, Paris, or anywhere in the European Union, our guaranteed 48 hour delivery peptide service ensures your research continues without interruption.
The Scientific Foundation of IGF1-LR3 Research
Structure and Classification
IGF1-LR3 is a modified analogue of human IGF-1. The native IGF-1 system is a major growth-factor signaling network involved in cellular proliferation, differentiation, metabolism, and tissue development.
The IGF-1 system is mediated primarily through the insulin-like growth factor-1 receptor (IGF-1R), a receptor tyrosine kinase that initiates downstream intracellular signaling following ligand binding.
IGF1-LR3 provides researchers with a modified ligand for investigating:
- IGF-1 receptor signaling
- Growth-factor biology
- Cellular proliferation
- Cellular differentiation
- Metabolic signaling
- Tissue-growth pathways
IGF-1 Receptor Signaling
IGF-1 binds to IGF-1R and activates receptor-associated intracellular signaling pathways.
Research into IGF-1R biology has examined downstream mechanisms involving:
- PI3K/Akt signaling
- MAPK/ERK signaling
- Protein phosphorylation
- Cellular proliferation
- Cellular differentiation
- Metabolic regulation
IGF-1R is a receptor tyrosine kinase whose activation can initiate multiple signaling cascades, making the receptor an important model for studying growth-factor biology.
Interaction with IGF-Binding Proteins
Native IGF-1 circulates and functions in association with a complex family of IGF-binding proteins (IGFBPs) that influence ligand availability and biological activity.
Modified IGF-1 analogues such as LR3 are therefore useful in comparative research investigating how structural changes affect:
- IGFBP interactions
- Receptor availability
- Ligand binding
- Cellular signaling
- Biological activity
Key Research Applications
IGF-1 Receptor Signaling Research
IGF1-LR3 can be investigated as an experimental ligand in studies of IGF-1R-mediated signaling.
Research applications include:
- Receptor Activation: Investigate IGF-1R activation and downstream phosphorylation
- Signal Transduction: Study PI3K/Akt and MAPK/ERK pathways
- Receptor Pharmacology: Examine ligand-receptor interactions
- Cellular Responses: Investigate proliferation and differentiation
- Growth-Factor Biology: Characterize IGF-associated cellular signaling
Cellular Growth and Proliferation Research
IGF-1 is an important regulator of cellular growth and proliferation, making IGF1-LR3 relevant to experimental studies involving:
- Cell proliferation
- Cell-cycle regulation
- Protein synthesis
- Cellular differentiation
- Tissue-growth signaling
- Growth-factor responsiveness
Muscle and Skeletal-Muscle Research
IGF signaling is extensively investigated in muscle biology because IGF-1 participates in pathways regulating muscle-cell growth, differentiation, and protein metabolism.
Experimental research can examine:
- Myoblast proliferation
- Myogenic differentiation
- Muscle-cell signaling
- Protein synthesis pathways
- Cellular recovery mechanisms
These studies should distinguish between established IGF-1 biology and evidence specifically demonstrated for the LR3 analogue.
Bone and Connective-Tissue Research
IGF-1 has important roles in bone and connective-tissue biology. Research has examined IGF-associated signaling in osteoblast activity, extracellular-matrix production, and tissue remodeling.
Experimental applications include:
- Osteoblast signaling
- Bone-cell proliferation
- Cartilage biology
- Extracellular-matrix research
- Connective-tissue growth
Research in animal models has also investigated IGF-1-associated pathways in osteochondral repair and tissue regeneration.
Metabolic Research
IGF-1 participates in endocrine and metabolic regulation, providing a research model for studying interactions between growth-factor and metabolic pathways.
Potential research areas include:
- Glucose metabolism
- Insulin-related signaling
- Nutrient utilization
- Cellular energy metabolism
- Growth-factor/metabolic interactions
Angiogenesis and Vascular Research
IGF signaling has also been investigated in vascular biology and angiogenesis.
Researchers can examine:
- Endothelial-cell signaling
- Vascular-cell proliferation
- IGF-1R-mediated responses
- Angiogenic pathways
- Growth-factor interactions
Experimental work using LR3-IGF1 has investigated endothelial and angiogenic parameters in specific biological systems, although effects can vary considerably by model and experimental conditions.
Quality Assurance: Setting the Standard for Research Compounds
Manufacturing Excellence
peptology.store supplies IGF1-LR3 1mg with an emphasis on analytical quality and batch traceability.
Quality documentation may include:
- HPLC Purity Analysis: Analytical assessment of peptide purity
- Mass Spectrometry Verification: Molecular-identity and molecular-weight confirmation
- Batch-Specific Certificates of Analysis: Documentation associated with individual production lots
- Lyophilized Research Format: Dry presentation intended for appropriate laboratory storage
- Research-Use-Only Labelling: Clearly designated for laboratory research
Physical and Chemical Properties
| Molecular Weight (g/mol) | 9117.60 g/mol |
| Molecular Formula | C400H625N111O115S9 |
| Physical Appearance | White lyophilised solid |
| Form | Sterile filtered white lyophilized (freeze-dried) |
| Solubility | Aqueous soluble |
| Appearance | White to off-white lyophilised powder |
| Melting Point | Not applicable (decomposes before melting) |
| Analytical and Quality Control | |
| HPLC Result | shows min 98% Purity |
| Mass Spectrum | Consistent with structure |
| Purity % | >98% |
| Research Use and Safety | |
| Caution | Research use only / Not for human or veterinary use |
| Intended Use | For laboratory research use only. Not for human or veterinary use. |
| Hazard Classification | Not classified as hazardous under GHS for research quantities |
| Storage, Handling and Stability | |
| Storage Temperature, Opened | Lyophilized peptides although stable at room temperature for 3 months, should be stored desiccated below -18°C. Upon reconstitution of the peptide it should be stored at 4°C between 2-21 days and for future use below -18°C. |
| Storage Temperature, Unopened | -20 °C recommended for long-term storage |
| Shelf Life | 2 years unopened under recommended conditions |
| Reconstitution Stability | Stable for up to 28 days at 2-8 °C in aqueous solution under sterile conditions |
Stability and Handling
IGF1-LR3 1mg should be handled according to the supplier’s batch-specific documentation and established laboratory procedures.
- Lyophilized Material: Store according to the temperature specified in the product documentation.
- Light Protection: Protect the material from unnecessary direct light exposure.
- Moisture Protection: Keep the vial tightly sealed and protected from humidity.
- Reconstituted Material: Establish storage conditions according to validated laboratory stability procedures.
- Aliquoting: Where appropriate, aliquot prepared research solutions to minimize repeated freeze-thaw exposure.
- Temperature Control: Avoid unnecessary temperature fluctuations.
- Documentation: Record preparation and storage conditions as part of the experimental record.
Real-World Research Applications and Investigator Studies
IGF-1R Signaling Studies
IGF-1 receptor signaling has been extensively characterized in cellular research. Activation of IGF-1R can initiate intracellular phosphorylation cascades that regulate cellular growth, proliferation, metabolism, and differentiation.
IGF1-LR3 provides researchers with a modified IGF-1 analogue for investigating how structural modification influences these signaling systems.
Cellular Proliferation Studies
IGF-1 biology has been associated with proliferation across numerous cell types.
Research can examine:
- DNA synthesis
- Cell proliferation
- Growth-factor responses
- Cell-cycle signaling
- IGF-1R activation
Earlier experimental work comparing intact and truncated IGF-1 demonstrated measurable differences in receptor interactions and biological activity, illustrating how structural changes to IGF molecules can influence experimental behavior.
Muscle-Cell Research
IGF-associated signaling is extensively investigated in skeletal-muscle biology.
Researchers can use appropriate cellular models to investigate:
- Myoblast proliferation
- Myogenic differentiation
- Protein synthesis
- Growth-factor signaling
- Muscle-cell recovery
Bone and Cartilage Research
IGF-1 has also been investigated in bone and cartilage biology.
Recent animal research using IGF-1 gene-expression approaches reported enhanced osteochondral repair in sheep, including improved cartilage and subchondral bone parameters. This demonstrates the continuing research interest in IGF-1 signaling within tissue-repair biology, although such findings do not establish equivalent effects for IGF1-LR3.
Comparative Growth-Factor Research
IGF1-LR3 can be used in comparative studies involving native IGF-1 and other IGF analogues.
Researchers can investigate:
- Ligand-receptor interactions
- IGFBP binding
- Cellular activity
- Receptor signaling
- Structural-function relationships
Key Research Features
- 1mg Research Presentation
- IGF1-LR3 / Long R3 IGF-1
- Modified IGF-1 Analogue
- IGF-1R Signaling Research
- Growth-Factor Biology
- Cellular Proliferation Studies
- Cellular Differentiation Research
- Muscle-Cell Research
- Bone and Cartilage Studies
- Connective-Tissue Research
- Metabolic Signaling Research
- Angiogenesis Studies
- IGFBP Interaction Research
- Comparative Peptide Research
- Lyophilized Research Format
- Batch-Specific Documentation
- Research-Use-Only Material
- Laboratory-Oriented Handling Guidance
- EU & UK Research Supply through Peptology Store
Frequently Asked Questions
Q: What is IGF1-LR3?
A: IGF1-LR3, commonly called Long R3 IGF-1, is a modified analogue of insulin-like growth factor-1 designed for experimental research into IGF-associated receptor signaling and cellular biology.
Q: What is IGF1-LR3 1mg used for?
A: IGF1-LR3 1mg is supplied for laboratory research involving IGF-1R signaling, cellular proliferation, differentiation, growth-factor biology, metabolic signaling, muscle-cell research, and tissue biology.
Q: What receptor is associated with IGF1-LR3?
A: The principal receptor associated with IGF-1 signaling is the insulin-like growth factor-1 receptor (IGF-1R), a receptor tyrosine kinase that activates downstream intracellular signaling pathways.
Q: What research areas commonly investigate IGF1-LR3?
A: Research applications include IGF-1 receptor signaling, cellular growth, proliferation, differentiation, muscle biology, bone and cartilage research, metabolic signaling, angiogenesis, and growth-factor pharmacology.
Q: How does IGF-1 signaling work?
A: IGF-1 binds to IGF-1R and initiates receptor tyrosine-kinase signaling. Downstream pathways include PI3K/Akt and MAPK/ERK signaling, which regulate multiple cellular processes.
Q: How should IGF1-LR3 be stored?
A: Store the lyophilized material according to the product-specific storage documentation. Protect it from moisture, excessive light exposure, and unsuitable temperatures. Reconstituted material should be handled according to a validated laboratory stability protocol.
Q: Is IGF1-LR3 suitable for human consumption?
A: No. IGF1-LR3 1mg supplied by peptology.store is intended for research and laboratory use only and is not supplied as an approved therapeutic product.
Q: Can IGF1-LR3 be used in cell-based research?
A: It may be investigated in appropriately designed in-vitro systems involving IGF-1R-associated pathways. Researchers should establish concentrations, exposure periods, controls, and assay conditions according to validated laboratory protocols.
Q: What documentation is provided with IGF1-LR3 orders?
A: Batch-specific analytical documentation may include a Certificate of Analysis (COA) with relevant identity and purity information. Additional analytical documentation should be confirmed for the specific production batch.
Q: Does IGF1-LR3 interact with IGF-binding proteins?
A: One reason modified IGF-1 analogues are of research interest is that structural changes can alter interactions with IGF-binding proteins. Native IGF-1 is strongly regulated by the IGFBP system, which influences ligand availability and biological activity.
Q: Is IGF1-LR3 the same as native IGF-1?
A: No. IGF1-LR3 is a modified analogue of IGF-1. Structural differences can affect ligand binding, interactions with binding proteins, and experimental biological activity.
Q: Does IGF-1 have effects on bone and cartilage?
A: IGF-1 signaling has been investigated extensively in bone and cartilage biology. Animal research has reported effects of IGF-1-related interventions on osteochondral repair, although findings from those models should not automatically be attributed to IGF1-LR3.
Q: Do you offer bulk quantities of IGF1-LR3?
A: Bulk research supply can be discussed for qualified laboratory and institutional requirements. Researchers can contact Peptology Store regarding current availability and batch documentation.
Q: Do you ship IGF1-LR3 to EU countries?
A: Shipping availability for IGF1-LR3 1mg can be confirmed through peptology.store. Researchers should verify applicable destination-country requirements before ordering.
Q: What makes IGF1-LR3 useful for comparative research?
A: Its modified structure allows researchers to compare the behavior of an IGF-1 analogue with native IGF-1 and investigate how structural changes influence receptor signaling, binding-protein interactions, and cellular responses.
Advance Your Research with IGF1-LR3 1mg
Peptology Store provides IGF1-LR3 1mg for researchers investigating IGF-1 receptor biology, growth-factor signaling, cellular proliferation, differentiation, metabolic pathways, muscle-cell biology, and tissue research.
Whether your work focuses on receptor pharmacology, comparative IGF research, cellular signaling, muscle biology, bone and cartilage models, or growth-factor interactions, IGF1-LR3 provides a modified IGF-1 research model for controlled laboratory investigation.
The established IGF-1 literature provides a strong foundation for studying IGF-1R biology, while evidence specifically concerning LR3 analogues should be interpreted according to the experimental model and available data.
Order today and experience the Peptology Store difference – premium quality, rapid 48-hour delivery across the EU and UK, and expert support for the European research community.
