SS-31 (Elamipretide), MOTS-c (Mitochondrial-Derived Peptide), and NAD+ (Nicotinamide Adenine Dinucleotide) represent three distinct nodes of mitochondrial bioenergetics that exhibit profound overlap in isolated cell systems. SS-31 targets the inner mitochondrial membrane, specifically interacting with cardiolipin to stabilise electron transport chain complexes. Concurrently, MOTS-c acts as a retrograde signalling molecule, modulating nuclear gene expression related to metabolic regulation. NAD+ serves as an essential coenzyme in redox reactions and a substrate for sirtuins. When evaluated in parallel-arm laboratory designs, these three compounds demonstrate intersecting pathways that regulate cellular respiration, with SS-31 preserving structural integrity while MOTS-c and NAD+ drive metabolic signalling.
The convergence of these peptides is particularly notable in in-vitro models of mitochondrial dysfunction. Co-incubation studies demonstrate that while SS-31 preserves the structural architecture required for ATP production, NAD+ provides the necessary enzymatic substrate for SIRT1 activation, which in turn promotes mitochondrial biogenesis. MOTS-c runs parallel to these mechanisms by activating the AMPK pathway, further enhancing cellular energy homeostasis. As premium research chemicals in the UK, laboratories utilise this specific combination to observe how structural stabilisation by SS-31 complements the metabolic signalling initiated by MOTS-c and the substrate provision by NAD+, creating a comprehensive model of cellular bioenergetics.
Maintaining the molecular stability of these distinct compounds requires precise handling, as each exhibits unique degradation kinetics in aqueous environments. Advanced peptide synthesis techniques ensure high purity for each lyophilised vial, but researchers must establish strict reconstitution protocols using Bacteriostatic Reconstitution Solution to optimise their half-lives during cell-free assays. By supplying SS-31, MOTS-c, and NAD+ as separate vials, investigators can precisely control concentration gradients and timing in multi-well plate experiments, accurately mapping the synergistic overlap between membrane preservation, AMPK activation, and sirtuin-mediated bioenergetics without the confounding variables of a physical mixture.
Public search data clusters around the phrase 'Mito Peptide Bundle' and 'peptide stack' when looking for combinations of SS-31, MOTS-c, and NAD+. Current literature reports on these compounds as separate parallel laboratory arms rather than a mixed product. Research trends often explore their independent roles in cellular energy models, but combination claims circulating in public search data are not laboratory findings about a blended reagent.
- SS-31 (Elamipretide) selectively targets cardiolipin within the inner mitochondrial membrane, stabilising its structural conformation under oxidative stress conditions.
- MOTS-c (Mitochondrial-Derived Peptide) translocates to the nucleus to interact with transcription factors such as NRF2 and AMPK-associated regulatory elements.
- NAD+ (Nicotinamide Adenine Dinucleotide) serves as an obligate coenzyme for sirtuins (SIRT1-7) and PARPs, facilitating substrate deacetylation and DNA repair mechanisms.
- Convergent molecular mapping indicates these three compounds modulate distinct but intersecting sub-cellular targets, bridging inner mitochondrial membrane integrity with nuclear transcriptional regulation.
- SS-31 (Elamipretide) mitigates reactive oxygen species generation by optimising electron transport chain supercomplex assembly, thereby preserving mitochondrial membrane potential.
- MOTS-c (Mitochondrial-Derived Peptide) upregulates AMPK phosphorylation cascades, driving downstream metabolic adaptations and enhancing cellular glucose utilisation in cell-free systems.
- NAD+ (Nicotinamide Adenine Dinucleotide) replenishes the cellular redox pool, driving sirtuin-mediated epigenetic modifications that enhance mitochondrial biogenesis.
- Parallel laboratory experiments suggest their converging signalling cascades synergistically lower apoptotic threshold triggers by maintaining ATP synthesis efficiency and reducing oxidative lipid peroxidation.
Technical Specifications
Variant Breakdown
- SS-31 (Elamipretide): Supplied as a 10mg lyophilised powder in a sealed glass vial, synthesised for precise dilution in cell-culture media to investigate cardiolipin interactions.
- MOTS-c (Mitochondrial-Derived Peptide): Provided as a 10mg lyophilised preparation, isolated for high-fidelity reconstitution to examine retrograde signalling and AMPK activation in vitro.
- NAD+ (Nicotinamide Adenine Dinucleotide): Furnished as a 500mg lyophilised solid, characterised for stable integration into enzymatic assays and sirtuin-dependent cellular models.
Quality Assurance
- High-Performance Liquid Chromatography (HPLC): Each separate vial undergoes rigorous chromatographic profiling to verify molecular purity and isolate synthesis by-products.
- Mass Spectrometry (MS): The molecular weight and structural identity of every peptide are confirmed via mass spectrometric analysis, ensuring exact sequence fidelity.
- Lyophilised Preservation: Compounds are supplied in a moisture-free, lyophilised state to maximise molecular stability prior to laboratory preparation.
- Independent Batch Characterisation: Every production lot is subjected to third-party analytical testing to guarantee consistent research-grade quality across all supplied vials.
Research Mechanism
- AMPK Pathway Activation: In isolated skeletal muscle cells, MOTS-c and NAD+ demonstrate complementary roles in metabolic signalling, where MOTS-c directly phosphorylates AMPK and NAD+ provides the required coenzyme pool for downstream sirtuin-mediated gene expression.
- Inner Membrane Stabilisation: Cell-free mitochondrial assays reveal that SS-31 protects cardiolipin from oxidative degradation, maintaining the structural framework necessary for NAD+ dependent enzymes to efficiently conduct electron transport chain reactions.
- Retrograde Signalling Synergy: Parallel-arm studies indicate that while MOTS-c translocates to the nucleus to regulate stress-response genes, SS-31 mitigates reactive oxygen species generation at the source, creating a dual-action cellular environment that preserves intracellular NAD+ levels.
- SIRT1 and Biogenesis Overlap: Co-incubation of NAD+ and MOTS-c in endothelial cell models shows an intersecting mechanism where NAD+ fuels SIRT1 deacetylase activity, running parallel to MOTS-c induced metabolic adaptations that collectively upregulate mitochondrial biogenesis markers.
- Oxidative Stress Mitigation: In-vitro models of cellular hypoxia demonstrate that SS-31 prevents cytochrome c peroxidase activity, which directly conserves the intracellular NAD+ pool by reducing the rapid consumption of NAD+ by PARP DNA-repair enzymes.
Reconstitution & Storage Data
| Peptide | Vial Strength | Solvent Added | Resulting Concentration |
| SS-31 (Elamipretide) | 10mg | 1 mL Bacteriostatic Reconstitution Solution | 10.00 mg/mL |
| SS-31 (Elamipretide) | 10mg | 2 mL Bacteriostatic Reconstitution Solution | 5.00 mg/mL |
| MOTS-c (Mitochondrial-Derived Peptide) | 10mg | 1 mL Bacteriostatic Reconstitution Solution | 10.00 mg/mL |
| MOTS-c (Mitochondrial-Derived Peptide) | 10mg | 2 mL Bacteriostatic Reconstitution Solution | 5.00 mg/mL |
| NAD+ (Nicotinamide Adenine Dinucleotide) | 500mg | 1 mL Bacteriostatic Reconstitution Solution | 500.00 mg/mL |
| NAD+ (Nicotinamide Adenine Dinucleotide) | 500mg | 2 mL Bacteriostatic Reconstitution Solution | 250.00 mg/mL |
- Lyophilised (Powder): Store in a standard refrigerator (2-8°C) for up to 3 months. For long-term preservation, freeze at -20°C.
- Reconstituted (Liquid): Store at 2-8°C (Refrigerated).
Scientific References
Archives of Biochemistry and Biophysics: "Cardiolipin-dependent properties of the mitochondrial-targeted peptide SS-31" View Study
Cell Metabolism: "The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance" View Study
Cell Metabolism: "laboratory evaluation potential of NAD-boosting molecules: the in vivo evidence" View Study
Free Radical Biology and laboratory evaluation: "Mitochondrial-targeted antioxidants and metabolic regulators in cellular bioenergetics" View Study
Nature Reviews Molecular Cell Biology: "SIRT1 and AMPK in the regulation of mitochondrial biogenesis" View Study
