Tesamorelin

Description

Understanding Tesamorelin

Tesamorelin belongs to the growth hormone-releasing hormone (GHRH) peptide family. In biological systems, GRF plays a central role in regulating the pulsatile secretion of growth hormone (GH) from the anterior pituitary gland.

By retaining the complete GRF amino acid sequence, Tesamorelin allows researchers to investigate endogenous GH release mechanisms rather than introducing exogenous growth hormone directly. This makes it particularly valuable in studies focused on physiological hormone signalling pathways.

Mechanism of Action (Research Context)

In laboratory and preclinical research models, Tesamorelin is observed to:

• Bind to GHRH receptors in the hypothalamic–pituitary axis

• Stimulate endogenous growth hormone release

• Promote pulsatile GH secretion patterns

• Influence downstream pathways related to metabolism and tissue maintenance

This receptor-mediated mechanism distinguishes Tesamorelin from direct GH analogues and underpins ongoing research interest.

Areas of Research Interest

Current research involving Tesamorelin commonly explores:

• Growth hormone secretion dynamics

• Metabolic regulation and lipid metabolism

• Endocrine signalling pathways

• Age-related changes in GH output

• Body composition and energy balance (experimental models only)

All investigations remain strictly within controlled laboratory research environments.

Conclusion

Tesamorelin is a well-characterised GHRH analogue that provides researchers with a robust tool for studying growth hormone regulation and endocrine signalling. Its full-length GRF sequence and stabilised structure make it particularly suitable for investigations into physiological GH release mechanisms. The 2mg format supports precise experimental dosing and flexible study design.

Technical Details

• Synonyms: Egrifta, TH9507

• Sequence: YADAIFTNSYRKVLGQLSARKLLQDIMSRQQGESNQERGARARL

• IUPAC Condensed: Unk-Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-Glu-Arg-Gly-Ala-Arg-Ala-Arg-Leu-NH₂

• Molecular Weight: ~5,136 g/mol

• CAS Number: 218949-48-5

• PubChem CID: 16137828

Storage & Stability

• Stability: Store lyophilised peptide at -20 °C

• Aliquot after reconstitution to avoid repeated freeze–thaw cycles

• Reconstituted solution may be stored at 4 °C for a limited period

• Lyophilised peptide remains stable until expiry when stored at -20 °C

• Source: Biosynthesis

• Reconstitution: Reconstitute with bacteriostatic water