5-Amino-1-methylquinolinium (5-Amino-1MQ) is a selective, small-molecule membrane-impermeable inhibitor of nicotinamide N-methyltransferase (NNMT). Preclinical assays investigate this research compound for its capacity to alter cellular energy kinetics, elevate intracellular NAD+ levels, and modulate adipocyte metabolic activity. PX1 Research supplies analytical-grade 5-Amino-1MQ strictly for in vitro and laboratory research applications.
5-Amino-1-methylquinolinium (5-Amino-1MQ) is a selective, small-molecule membrane-impermeable inhibitor of nicotinamide N-methyltransferase (NNMT). Preclinical assays investigate this research compound for its capacity to alter cellular energy kinetics, elevate intracellular NAD+ levels, and modulate adipocyte metabolic activity. PX1 Research supplies analytical-grade 5-Amino-1MQ strictly for in vitro and laboratory research applications.
The 5 amino 1mq mechanism of action centers on the selective inhibition of nicotinamide N-methyltransferase (NNMT), a cytosolic enzyme that methylates nicotinamide using S-adenosylmethionine (SAM) as a methyl donor. By blocking NNMT activity, 5-Amino-1MQ halts the irreversible clearance of nicotinamide, directly preserving intracellular nicotinamide adenine dinucleotide (NAD+) pools and driving enhanced mitochondrial respiration in preclinical adipocyte models.
Through this targeted enzymatic blockade, researchers can investigate downstream metabolic cascades without directly introducing exogenous NAD+ precursors. Laboratory models utilizing this 5-amino-1mq research chemical provide insights into how NNMT suppression shifts cellular energy flux from storage pathways toward oxidative phosphorylation.
Nicotinamide N-methyltransferase (NNMT) plays a pivotal regulatory role in cellular methyl balance and energy homeostasis. It catalyzes the transfer of a methyl group from S-adenosylmethionine (SAM) to nicotinamide (NAM), generating S-adenosylhomocysteine (SAH) and 1-methylnicotinamide (1-MNA). Because 1-MNA is rapidly excreted or further oxidized, NNMT activity functions as a primary sink for both methyl groups and nicotinamide within the cell.
Overexpression of NNMT in adipose tissues and liver cells has been correlated in rodent models with decreased basal energy expenditure and altered substrate utilization. By binding to the catalytic site of NNMT, 5-Amino-1MQ prevents the degradation of NAM. In vitro kinetic assays demonstrate that this selective inhibition maintains favorable SAM/SAH ratios and prevents the depletion of key substrates required for epigenetic regulation and metabolic signaling.
Intracellular NAD+ is constantly consumed by enzymes involved in repair and signaling, including sirtuins (SIRT1–7) and poly(ADP-ribose) polymerases (PARPs). To maintain metabolic capacity, cells rely heavily on the NAD+ salvage pathway, wherein nicotinamide phosphoribosyltransferase (NAMPT) converts NAM back into nicotinamide mononucleotide (NMN), which is subsequently converted to NAD+.
When NNMT activity is high, NAM is preferentially methylated and lost from the salvage loop. Preclinical studies indicate that introducing a selective inhibitor like 5-Amino-1MQ redirects NAM back into the NAMPT pathway. This dynamic significantly increases intracellular NAD+ concentration without upregulating synthetic enzymes. Elevated NAD+ levels subsequently stimulate SIRT1 activity, promoting mitochondrial biogenesis and accelerating fatty acid oxidation in vitro. Researchers interested in broader metabolic signaling pathways can explore comparative studies within our research library.
In cell culture models of diet-induced obesity (DIO) and isolated adipocytes, elevated NNMT expression leads to diminished mitochondrial oxidative capacity. Inhibiting NNMT with 5-Amino-1MQ induces measurable changes in basal oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) as evaluated via Seahorse bioenergetic assays.
Preclinical rodent studies suggest that treatment with 5-Amino-1MQ leads to increased expression of uncoupling protein 1 (UCP-1) and peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) in white adipose tissue. This phenotypic shift—often referred to as adipose browning—enhances thermogenic activity and lipid turnover in vitro, positioning the compound as a key tool for investigating metabolic syndrome and lipid storage mechanisms.
When evaluating agents that modulate cellular metabolism and mitochondrial output, researchers frequently compare 5-Amino-1MQ to mitochondrial-derived peptides and growth hormone secretagogues. While 5-Amino-1MQ acts specifically as a small-molecule enzyme inhibitor within the NAD+ salvage pathway, compounds like MOTS-c function as peptide-based metabolic regulators that target nuclear gene expression under metabolic stress.
Similarly, research exploring lipolytic signaling often contrasts NNMT inhibition against direct growth hormone receptor stimulation using peptides such as AOD 9604 or Tesamorelin. Whereas GH fragments stimulate lipolysis via adrenergic receptor signaling cascades, 5-Amino-1MQ operates entirely intracellularly by altering SAM and NAD+ availability. Investigating these distinct pathways in tandem allows laboratories to map complementary mechanisms of energy expenditure across our all peptides catalog.
Reproducibility in metabolic research demands verified chemical purity and strict quality assurance. PX1 Research adheres to rigorous quality control protocols for every batch of 5-Amino-1MQ supplied to academic and institutional facilities.
Our quality standards include:
• USA Manufacturing: Synthesized under strict GMP-compliant quality controls.
• Third-Party COA per Lot: Independent ISO 17025 accredited laboratory testing attached to every batch.
• HPLC & Mass Spectrometry: Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) verifies identity and purity levels exceeding 98%, confirmed by Electrospray Ionization Mass Spectrometry (ESI-MS).
• Endotoxin Control: Assayed via Chromogenic LAL to ensure minimal endotoxin burden for sensitive cell culture assays.
• Fast Dispatch: Orders ship same-day (Monday–Friday) directly from our centralized fulfillment hubs in California and Arizona.
Unlike standard hydrophilic peptides, 5-Amino-1MQ is a synthetic quinolinium derivative with specific solubility characteristics. For optimal in vitro stability and experimental accuracy, researchers must follow established chemical handling protocols.
5-Amino-1MQ exhibits high solubility in polar organic solvents such as Dimethyl Sulfoxide (DMSO) and Dimethylformamide (DMF). For aqueous cellular assays, stock solutions prepared in DMSO should be diluted into culture media immediately prior to use, maintaining final solvent concentrations below 0.1% (v/v) to prevent vehicle-induced cytotoxicity. Aqueous solubility can be enhanced by mild vortexing or gentle sonication. Institutional purchasers requiring bulk quantities for large-scale screening protocols can apply through our wholesale research portal.
To preserve structural integrity and prevent degradation, lyophilized 5-Amino-1MQ powder should be stored at -20°C in a desiccated container protected from light. Under these conditions, the solid compound maintains stability for extended storage periods.
Once reconstituted in solvent, stock solutions should be aliquoted into single-use microcentrifuge tubes to avoid repeated freeze-thaw cycles. DMSO stock solutions are recommended to be stored at -80°C and used within 30 to 60 days. Working solutions prepared in aqueous buffers should be used on the day of preparation to avoid hydrolytic decay or compound precipitation.
In vitro research using 5-Amino-1MQ primarily involves primary murine or human adipocyte cultures (such as 3T3-L1 differentiation assays). Researchers measure intracellular NAD+/NADH ratios using enzymatic fluorometric assays following exposure to variable micro-molar concentrations of 5-Amino-1MQ.
In vivo animal models (e.g., C57BL/6J diet-induced obesity mice) utilize the compound to measure changes in body composition, glucose tolerance, resting metabolic rate, and liver triglyceride accumulation. These preclinical studies provide foundational data regarding how small-molecule NNMT inhibition alters systemic nutrient partitioning.
What is the 5 amino 1mq mechanism of action?
The primary 5 amino 1mq mechanism of action is the selective inhibition of nicotinamide N-methyltransferase (NNMT). By blocking this enzyme, 5-Amino-1MQ prevents the methylation and excretion of nicotinamide, thereby increasing intracellular NAD+ levels and stimulating mitochondrial respiration in experimental models.
How does 5-amino-1mq research chemical differ from NAD+ precursors like NMN or NR?
While NAD+ precursors such as NMN provide raw substrate for the salvage pathway, the 5-amino-1mq research chemical inhibits the enzyme (NNMT) responsible for draining nicotinamide pools. By preventing the breakdown of existing nicotinamide, 5-Amino-1MQ increases endogenous NAD+ synthesis indirectly rather than supplementing external precursors.
What receptor targets does 5-Amino-1MQ interact with?
5-Amino-1MQ does not primarily act on extracellular G-protein coupled receptors or cell surface receptors. Instead, it enters the cell cytoplasm where it acts as a direct, competitive inhibitor of the cytosolic enzyme NNMT.
How is 5-Amino-1MQ prepared and reconstituted for cell culture assays?
For in vitro assays, 5-Amino-1MQ is typically reconstituted in sterile research-grade DMSO to create a high-concentration stock solution. This stock is then diluted into culture media to working concentrations (typically 1–10 µM), ensuring final DMSO concentrations remain under 0.1% to avoid cell toxicity.
What purity verification is provided with PX1 Research 5-Amino-1MQ?
Every lot of 5-Amino-1MQ from PX1 Research undergoes rigorous third-party testing at an ISO 17025 accredited laboratory. Each batch includes a Certificate of Analysis (COA) containing RP-HPLC purity profiles (>98%) and mass spectrometry (ESI-MS) structural confirmation.
What are the recommended storage parameters for 5-Amino-1MQ?
Lyophilized 5-Amino-1MQ should be kept in a sealed, desiccated vial at -20°C away from light exposure. Reconstituted stock solutions in DMSO should be aliquoted and stored at -80°C to minimize degradation from repeated freeze-thaw cycles.
What endotoxin standards apply to PX1 Research chemicals?
PX1 Research conducts LAL chromogenic assays to monitor and verify endotoxin levels across analytical batches, ensuring compounds meet strict research standards suitable for sensitive in vitro cell culture and biochemical protocols.
How quickly does PX1 Research ship 5-Amino-1MQ orders?
Orders placed Monday through Friday ship same-day from PX1 Research fulfillment facilities in California and Arizona, providing rapid transit to domestic laboratory sites.
Can 5-Amino-1MQ be combined with metabolic peptides in laboratory studies?
Yes, in preclinical research, investigators frequently study 5-Amino-1MQ alongside mitochondrial or lipolytic peptides like MOTS-c or AOD 9604 to evaluate potential synergistic effects across different metabolic signaling cascades.
Is 5-Amino-1MQ approved for human administration or therapy?
No. 5-Amino-1MQ is strictly designated for laboratory research and in vitro evaluation only. It is not for human or animal consumption, medical treatment, or therapeutic use.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.