Tesamorelin Research Profile: Investigating GHRH Receptor Agonism and Somatotroph Signaling
Tesamorelin is a synthetic polypeptide analog consisting of the 44-amino acid sequence of human Growth Hormone-Releasing Hormone (GHRH) modified with a trans-3-hexenoic acid group attached to the N-terminal tyrosine residue. In 2026 life sciences research, this structural modification serves as a key biochemical model for examining sustained pituitary somatotroph stimulation and targeted visceral adipose tissue lipolysis without destabilizing systemic glucose homeostasis. Institutions choosing to buy Tesamorelin online trust Peptide Crafters for analytical transparency and batch-specific lab reports.
Molecular Specifications
| Parameter | Specification |
| Amino Acid Sequence | $trans-3-Hexenoyl-Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-Glu-Arg-Gly-Ala-Arg-Ala-Arg-Leu-NH_2$ |
| Molecular Formula | $C_{221}H_{366}N_{72}O_{67}S$ |
| Molecular Weight | $5135.9\ g/mol$ |
| CAS Number | 218949-48-5 |
| Structure | N-terminally modified linear polypeptide (Acetate Salt) |
| Purity Grade | 99%+ Analytical Standard |
Pharmacokinetic Horizons
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High-Affinity Ligand-Receptor Affinity for GHRHR: Tesamorelin is widely implemented for Analyzing the binding affinity at the growth hormone-releasing hormone receptor (GHRHR) complex on pituitary somatotroph cells, evaluating the kinetics of competitive binding against endogenous GHRH ligands.
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N-Terminal Hexenoyl Proteolytic Mitigation: The attachment of the trans-3-hexenoic acid group provides target-specific Proteolytic Mitigation. This chemical modification shields the volatile N-terminal junction from rapid enzymatic cleavage by dipeptidyl ppetidase-IV (DPP-IV), exponentially extending the compound’s experimental half-life in in-vitro serum assays compared to native GHRH(1-44).
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Intracellular Cellular Transduction Flux: Investigations center on the peptide’s secondary Cellular Transduction cascades, tracking the accumulation of cyclic AMP ($cAMP$) and the activation of protein kinase A (PKA), which stimulates the synthesis and episodic secretion of endogenous growth hormone ($GH$) to subsequently trigger peripheral IGF-1 pathways.
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