Ipamorelin is a synthetic pentapeptide and a highly selective agonist of the ghrelin/growth hormone secretagogue receptor (GHSR-1a). As a premium research chemical, UK laboratories utilise this compound to investigate cellular signalling pathways related to somatotropic function. During in-vitro studies, researchers focus on its ability to bind to target receptors without triggering widespread secondary cascades, making it an excellent model for isolated receptor analysis. To maintain the integrity of the compound, strict reconstitution protocols must be followed, ensuring optimal molecular stability over extended laboratory observation periods. Advancements in modern peptide synthesis have allowed for the production of highly purified lyophilised forms, enabling precise characterisation of its binding kinetics and downstream cellular responses.
Research trends often mention the phrase "muscle growth" or "anti-ageing" in public search data regarding Ipamorelin. Current literature summarises those papers as observations in isolated cell cultures and molecular binding models, not as a consumer protocol. Amino Peptides supplies this compound only as a lyophilised laboratory reagent. Strictly for laboratory research.
- Selective agonism of the growth hormone secretagogue receptor 1a (GHSR-1a) in cell-free membrane preparations.
- High-affinity binding to ghrelin mimetic binding sites, demonstrating robust receptor saturation in isolated pituitary cell models.
- Interaction with G-protein coupled receptor domains, initiating conformational changes independent of endogenous ghrelin.
- Activation of phospholipase C (PLC) signalling cascades, leading to transient intracellular calcium mobilization in cultured somatotropes.
- Stimulation of cyclic AMP (cAMP) accumulation in isolated cellular fractions following receptor-ligand complex formation.
- Modulation of protein kinase C (PKC) pathways, promoting targeted exocytosis of secretory vesicles in controlled laboratory environments.
- Demonstration of high proteolytic stability in molecular degradation models, maintaining structural integrity across extended incubation periods.
Technical Specifications
Variant Breakdown
- 2mg Vial: Ideal for preliminary in-vitro assays, allowing researchers to establish baseline receptor binding kinetics and optimise initial dilution parameters.
- 5mg Vial: Suited for mid-scale cellular experiments, providing sufficient material for multiple assay replications and extended observation periods.
- 10mg Vial: Designed for comprehensive laboratory stock preparation, supporting high-throughput screening and long-term molecular stability studies.
Quality Assurance
- HPLC Analysis: High-performance liquid chromatography is utilised to verify that purity exceeds 99%, ensuring the absence of synthesis by-products.
- Mass Spectrometry: Confirms the exact molecular weight of 711.9 g/mol, validating the structural integrity of the synthesised peptide.
- Lyophilised Form: Processed into a stable lyophilised solid to prevent degradation and extend shelf life prior to laboratory reconstitution.
- Laboratory Characterisation: Strict batch testing ensures consistent receptor binding affinity and reliable performance in controlled cellular environments.
Research Mechanism
- Acts as a selective agonist for the ghrelin receptor (GHSR-1a), initiating a specific intracellular signalling cascade upon binding.
- Activates the phospholipase C (PLC) pathway, leading to the generation of inositol triphosphate (IP3) and diacylglycerol (DAG) in cellular models.
- Triggers the release of intracellular calcium stores, which serves as a primary secondary messenger for downstream cellular responses.
- Demonstrates high receptor selectivity in vitro, showing minimal cross-reactivity with receptors responsible for alternative endocrine pathways.
Reconstitution & Storage Data
| Vial Strength | Solvent Added | Resulting Concentration |
| 2mg | 1 mL Bacteriostatic Reconstitution Solution | 2.00 mg/mL |
| 2mg | 2 mL Bacteriostatic Reconstitution Solution | 1.00 mg/mL |
| 5mg | 1 mL Bacteriostatic Reconstitution Solution | 5.00 mg/mL |
| 5mg | 2 mL Bacteriostatic Reconstitution Solution | 2.50 mg/mL |
| 10mg | 1 mL Bacteriostatic Reconstitution Solution | 10.00 mg/mL |
| 10mg | 2 mL Bacteriostatic Reconstitution Solution | 5.00 mg/mL |
- Lyophilised (Powder): Store in a standard refrigerator (2-8°C) for up to 3 months. For long-term preservation, freeze at -20°C.
- Reconstituted (Liquid): Store at 2-8°C (Refrigerated).
Scientific References
European Journal of Endocrinology: "Ipamorelin, the first selective growth hormone secretagogue" View Study
Growth Hormone & IGF Research: "Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats" View Study
Journal of Pharmacology and Experimental Therapeutics: "Efficacy of ipamorelin, a novel ghrelin mimetic, in a rodent model of postoperative ileus" View Study
Peptides: "Ghrelin and its analogues in the regulation of energy balance" View Study
Cellular and Molecular Life Sciences: "Ghrelin receptors and their role in cellular signalling" View Study
