Comparison

Retatrutide vs Sermorelin

Function

While Retatrutide is an investigational agent that produces very large body-weight reductions in early trials by simultaneously engaging GLP-1R, GIPR, and GCGR to enhance satiety, energy expenditure, and glycemic control2575, Sermorelin is used as a diagnostic agent for assessing GH secretory capacity and as a research tool or off-label therapy to increase endogenous GH in GH-deficient or age-related contexts1727.

Mechanism

While Retatrutide works as a triple incretin agonist peptide derived from a GIP backbone and engineered to activate GLP-1, GIP, and glucagon receptors, with non-natural residues and fatty-acid conjugation that confer long half-life and balanced multi-receptor signaling256575, Sermorelin is a synthetic 29-amino-acid peptide identical to the 1–29 N-terminal fragment of human GHRH that stimulates GH synthesis and secretion by binding pituitary GHRH receptors1727120.

Length and Sequence

Retatrutide is 39 amino acids long, whereas Sermorelin is shorter as it has a length of 29 amino acids. Retatrutide is made up of a sequence of sequence data not available in the current dataset. Sermorelin is made up of a sequence of Tyrosine, Alanine, Aspartic acid, Alanine, Isoleucine, Phenylalanine, Threonine, Asparagine, Serine, Tyrosine, Arginine, Lysine, Valine, Leucine, Glycine, Glutamine, Leucine, Serine, Alanine, Arginine, Lysine, Leucine, Leucine, Glutamine, Aspartic acid, Isoleucine, Methionine, Serine, Arginine.

Receptor

Retatrutide

GLP-1 receptor (GLP1R), GIP receptor (GIPR), and glucagon receptor (GCGR) 256575

Sermorelin

Growth hormone–releasing hormone receptor (GHRHR) on pituitary somatotrophs94103120

Organism or Origin

Retatrutide

Synthetic multi-agonist peptide inspired by human incretins and glucagon657580

Sermorelin

Synthetic peptide corresponding to human hypothalamic GHRH(1–29) 17120

Gene

Retatrutide

Not assigned in the current dataset.

Sermorelin

GHRH

Sources

25What is the mechanism of action of Retatrutide? - Patsnap Synapse, https://synapse.patsnap.com/article/what-is-the-mechanism-of-action-of-retatrutide
65Retatrutide Molecular Structure and Properties | Peptide Protocol Wiki, https://www.peptideprotocolwiki.com/peptides/retatrutide/molecule
75Retatrutide: The Triple Hormone Agonist (GLP-1/GIP/Gluc, https://formblends.com/research/glp-1/retatrutide-triple-agonist-guide
80GLP-1 Localisation and Proglucagon Gene Expression in ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC6200298/
17Sermorelin - Wikipedia, https://en.wikipedia.org/wiki/Sermorelin
27Sermorelin, https://pubchem.ncbi.nlm.nih.gov/compound/Sermorelin
94Growth-hormone-releasing hormone receptor - Wikipedia, https://en.wikipedia.org/wiki/Growth-hormone-releasing_hormone_receptor
103Growth-hormone-releasing hormone receptor - Wikipedia, https://en.wikipedia.org/wiki/Growth_hormone_releasing_hormone_receptor
120Growth hormone–releasing hormone - Wikipedia, https://en.wikipedia.org/wiki/Growth_hormone%E2%80%93releasing_hormone