MOTS-c vs SS-31: Full Comparison
A comparison of mitochondrial metabolic modulation via MOTS-c peptide signaling versus antioxidant and cardiolipin-stabilizing activity through SS-31 peptide in mitochondrial function and cellular bioenergetics research.
Overview of Both Peptides
MOTS-c and SS-31 (Elamipretide) are peptides studied in mitochondrial and cellular research models focused on energy-related signaling systems, intracellular communication, and mitochondrial function. These systems are commonly explored within metabolic and mitochondrial signaling frameworks in controlled laboratory environments.
MOTS-C is a mitochondrial-derived peptide (MDP) encoded within mitochondrial DNA. In research models, it is associated with metabolic signaling systems, cellular stress-response pathways, and mitochondria-to-nucleus communication networks.
SS-31 (Elamipretide) is a synthetic tetrapeptide studied in mitochondrial systems that focus on inner membrane structure and function. Research commonly examines cardiolipin-associated membrane interactions and energy-related mitochondrial signaling systems in controlled experimental settings.
Both compounds are strictly for research use only (RUO) and are not approved for human consumption, medical treatment, or diagnostic applications.
Key Differences Between MOTS-c and SS-31
| Feature | MOTS-c | SS-31 (Elamipretide) |
|---|---|---|
| Origin | Mitochondrial DNA–encoded peptide | Synthetic tetrapeptide |
| Biological Role | Metabolic signaling peptide | Mitochondrial membrane–interacting peptide |
| Primary Research Focus | Cellular metabolic signaling systems | Mitochondrial structural and membrane function |
| Target System | Nucleus and cytoplasmic signaling networks | Inner mitochondrial membrane |
| Mechanism Type | AMPK-linked metabolic signaling pathways | Cardiolipin-associated membrane interactions |
| Research Domain | System-level metabolic signaling models | Mitochondrial structural integrity models |
Mechanistic Comparison
MOTS-c (Research Context)
MOTS-c is studied as a mitochondrial-derived peptide involved in metabolic signaling and stress-adaptation systems. Research models examine how it is associated with communication between mitochondria and nuclear gene expression pathways in controlled experimental environments.
- AMPK-linked metabolic signaling pathways
- Cellular stress-response signaling networks
- Mitochondria-to-nucleus communication processes
- Metabolic signaling adaptation frameworks in research models
- Gene expression–related signaling pathway activity in research models
SS-31 (Research Context)
SS-31 (Elamipretide) is studied in the context of mitochondrial membrane structure and function, particularly interactions involving cardiolipin within the inner mitochondrial membrane.
- Inner mitochondrial membrane–associated structural signaling pathways in research models
- Cardiolipin-related structural interactions
- Electron transport chain–associated signaling pathways
- Oxidative stress–associated signaling systems in research models
- Energy-related mitochondrial signaling models under investigation
Research Applications
- Metabolic signaling pathway studies
- AMPK-associated signaling models
- Cellular stress-response research
- Mitochondria–nucleus communication systems
- Energy adaptation pathway modeling
Comparison Based on Research Focus
- Metabolic signaling pathway studies → MOTS-c
- Mitochondrial structural integrity studies → SS-31
- Cellular energy adaptation models → MOTS-c
- Membrane-associated structural signaling studies → SS-31
- Organelle communication systems → MOTS-c
- Inner membrane functional studies → SS-31
Simple Summary
MOTS-c → metabolic signaling and cellular communication research model
SS-31 → mitochondrial membrane structure and functional organization model
SS-31 → mitochondrial membrane structure and functional organization model
Side-by-Side Interpretation
MOTS-c and SS-31 represent distinct areas of mitochondrial research.
MOTS-c is primarily associated with metabolic signaling systems and inter-organelle communication, particularly involving nuclear gene expression pathways and energy adaptation systems in experimental models.
SS-31 is associated with mitochondrial structural biology, focusing on membrane organization, cardiolipin interactions, and energy-related mitochondrial signaling systems within the inner mitochondrial membrane.
Quality and Sourcing Considerations
- ≥98% purity confirmed via HPLC analysis
- Mass spectrometry verification of molecular identity
- Endotoxin testing for laboratory environments
- Batch traceability and documentation
- Stability validation under controlled storage conditions
- Confirmed peptide sequence integrity
Compliance Statement
All compounds discussed are strictly intended for laboratory research purposes only and are not approved for human consumption, medical treatment, or diagnostic use.