Peptable

Comparison

MOTS-c vs Semaglutide

Function

While MOTS-c improves insulin sensitivity, enhances glycolysis, reduces oxidative stress, and shows protective effects in models of metabolic syndrome, aging, and ischemia-reperfusion injury8135146, Semaglutide is approved for type 2 diabetes and chronic weight management, significantly lowering HbA1c and body weight by modulating incretin pathways232480.

Mechanism

While MOTS-c works as a 16-amino-acid mitochondrial-derived peptide that translocates to the nucleus under metabolic stress and regulates glucose and lipid metabolism largely via activation of AMPK and modulation of mTOR and folate-cycle–linked pathways854140146, Semaglutide is a modified GLP-1(7–37) analog with three key changes—Ala8→Aib, Lys26 acylated with a C18 fatty diacid, and Lys34→Arg—resulting in a long-acting GLP-1 receptor agonist that enhances glucose-dependent insulin secretion, suppresses glucagon, slows gastric emptying, and reduces appetite23647480.

Receptor

MOTS-c

No dedicated cell-surface receptor has been definitively identified; signaling is primarily described via intracellular AMPK and related metabolic pathways8135146

Semaglutide

GLP-1 receptor (GLP1R) on pancreatic β-cells and other tissues2380

Organism or Origin

MOTS-c

Human mitochondrial peptide encoded in the 12S rRNA gene region54146

Semaglutide

Synthetic analog of human GLP-1 derived from proglucagon648089

Gene

MOTS-c

MT-RNR1

Semaglutide

GCG

Summary

Both peptides fall into a similar broad context as Metabolic peptides, although the details of how they are used and discussed still diverge. Both are often discussed in Metabolic and endocrine contexts, while MOTS-c is more of a mitochondrial peptide and Semaglutide is better described as a hormone peptide. They also influence different molecular systems, with MOTS-c tracking more closely to Mitochondrial membrane while Semaglutide centers more on GLP-1 receptor. MOTS-c has a more mitochondrial-encoded origin, while Semaglutide is closer to synthetic analog background and their development context also differs, with MOTS-c in Preclinical development while Semaglutide is approved. MOTS-c takes the form of a linear peptide, whereas Semaglutide is closer to a peptide conjugate, Semaglutide incorporates lipidation features that are not part of MOTS-c; while their sequence patterns also diverge, with MOTS-c showing hydrophobic domain features and Semaglutide showing alpha-helical domain features.

Sources

8Mitochondrial-encoded peptide MOTS-c prevents pancreatic islet ..., https://www.nature.com/articles/s12276-025-01521-1
54MOTS-c - Wikipedia, https://en.wikipedia.org/wiki/MOTS-c
135MOTS-c Promotes Glycolysis via AMPK-HIF-1α-PFKFB3 ... - PubMed, https://pubmed.ncbi.nlm.nih.gov/40035775/
146MOTS-c: A promising mitochondrial-derived peptide for therapeutic ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC9905433/
23Semaglutide (GLP-1 Receptor Agonist) — Mechanism, Research ..., https://orynxpeptides.com/de/peptides/encyclopedia/semaglutide
24Tirzepatide - a dual GIP and GLP-1 (GLP1) receptor agonist, https://gpnotebook.com/pages/diabetes-and-endocrinology/tirzepatide-a-dual-gip-and-glp-1-glp1-receptor-agonist
64Semaglutide Structure & Chemistry: Molecular Details | The ..., https://www.thejops.com/peptides/semaglutide/chemistry.html
74Drug Interactions And Side..., https://pdb101.rcsb.org/global-health/diabetes-mellitus/drugs/incretins/drug/semaglutide/semaglutide
80GLP-1 Localisation and Proglucagon Gene Expression in ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC6200298/
89Gene, https://maayanlab.cloud/Harmonizome/gene/GCG