5-Amino-1MQ is a small-molecule quinolinium derivative studied extensively in metabolic biochemistry as a selective inhibitor of nicotinamide N-methyltransferase (NNMT). Designed strictly for laboratory research use, this novel compound provides investigators with a precise chemical tool to explore cellular energy turnover, intracellular NAD+ salvage pathways, and adipocyte lipid accumulation. PX1 Research delivers third-party verified, high-purity 1MQ to institutional and academic laboratories across the United States.
5-Amino-1MQ is a small-molecule quinolinium derivative studied extensively in metabolic biochemistry as a selective inhibitor of nicotinamide N-methyltransferase (NNMT). Designed strictly for laboratory research use, this novel compound provides investigators with a precise chemical tool to explore cellular energy turnover, intracellular NAD+ salvage pathways, and adipocyte lipid accumulation. PX1 Research delivers third-party verified, high-purity 1MQ to institutional and academic laboratories across the United States.
1MQ, chemically designated as 5-amino-1-methylquinolinium, is a selective, small-molecule membrane-permeable inhibitor of nicotinamide N-methyltransferase (NNMT). In preclinical models, researchers utilize 1mq to prevent the irreversible methylation of nicotinamide, thereby salvaging intracellular NAD+ pools, improving mitochondrial output, and altering lipid accumulation in metabolic assays. It is strictly manufactured for in vitro and laboratory research use.
As cellular energy homeostasis and metabolic regulation remain primary frontiers in biomedical research, 5-amino-1MQ has generated substantial interest within the scientific community. Unlike broad-spectrum metabolic modulators, 1MQ acts directly within the cytosol to block the enzymatic activity of NNMT. By inhibiting this key methyltransferase, investigators can evaluate how shifts in nicotinamide turnover influence downstream enzymatic networks, including sirtuin deacetylases and poly(ADP-ribose) polymerases (PARPs), without directly administering systemic metabolic stress.
Nicotinamide N-methyltransferase (NNMT) is a cytosolic enzyme responsible for catalyzing the transfer of a methyl group from S-adenosylmethionine (SAM) to nicotinamide (NAM), producing S-adenosylhomocysteine (SAH) and 1-methylnicotinamide (MNA). Because MNA is predominantly excreted rather than recycled, high NNMT expression functions as a metabolic sink—effectively draining cellular SAM reserves and exhausting the supply of nicotinamide necessary for nicotinamide adenine dinucleotide (NAD+) synthesis through the salvage pathway.
When introduced to cellular or cell-free enzymatic assays, 1mq binds to the active catalytic site of NNMT with high specificity. By blocking the conversion of NAM to MNA, 1MQ prevents the loss of the nicotinamide precursor. Consequently, intracellular levels of NAM remain elevated, providing the substrate required by nicotinamide phosphoribosyltransferase (NAMPT) to regenerate NMN and subsequently NAD+. In tandem, blocking SAM depletion helps maintain methyl donor pools required for epigenetic regulation, such as histone and DNA methylation assays.
Extensive in vitro and animal model studies indicate that elevating intracellular NAD+ via NNMT inhibition produces widespread downstream metabolic effects. NAD+ serves as an essential coenzyme for mitochondrial electron transport chain complexes and a crucial cofactor for sirtuin enzymes (specifically SIRT1 and SIRT3). Preclinical studies suggest that treating high-fat diet-fed rodent models with 5-amino-1MQ results in marked increases in intracellular NAD+ concentration within target tissues, particularly skeletal muscle and adipose tissue.
By augmenting NAD+ availability, 1MQ stimulates SIRT1 deacetylase activity, which subsequently deacetylates peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α). Activated PGC-1α is a master regulator of mitochondrial biogenesis, driving the expression of nuclear and mitochondrial genes encoding electron transport chain subunits. As a result, preclinical assays measuring cellular oxygen consumption rates (OCR) consistently report enhanced mitochondrial respiration, increased ATP synthesis capacity, and improved basal metabolic rate following 1MQ administration.
A major focus of scientific inquiry surrounding 5amino 1 mq is its influence on lipid metabolism and adipocyte architecture. In obesity and metabolic dysfunction rodent models, NNMT expression is significantly upregulated in white adipose tissue (WAT), correlating directly with suppressed metabolic rate and enlarged adipocyte volume (adipocyte hypertrophy). In vitro data indicate that inhibiting NNMT reduces triglyceride accumulation during adipogenesis and accelerates basal lipolysis without inducing cell cytotoxicity.
In animal studies, systemic or localized administration of 1MQ led to a reduction in WAT mass and a decrease in mean adipocyte size, even under conditions of high caloric intake. Researchers observed that NNMT inhibition promotes a metabolic phenotypic shift in WAT, increasing the expression of uncoupling protein 1 (UCP1) and oxidative phosphorylation enzymes—a process often described as adipocyte browning. This enhanced futile cycle of energy dissipation underscores the utility of 1MQ as a tool for mapping fat-metabolism pathways and energy expenditure dynamics.
To establish rigorous experimental design, researchers frequently compare 1MQ against other small molecules and peptides targeted at metabolic rate, mitochondrial biogenesis, and lipid balance. Understanding the mechanistic differences between these compounds allows laboratories to isolate specific pathways within the metabolic network.
For instance, while 1MQ operates upstream by salvaging nicotinamide and inhibiting NNMT, mitochondrial peptides like MOTS-c act primarily by modulating nuclear gene expression during metabolic stress to enhance insulin sensitivity. Conversely, small molecules such as SLU-PP-332 serve as estrogen-related receptor (ERR) agonists to directly upregulate oxidative muscle fiber transcripts, and AICAR acts as a direct AMP-activated protein kinase (AMPK) agonist. Integrating 1MQ alongside these targets allows researchers to dissect whether metabolic adaptations are driven by NAD+ pool restoration, nuclear receptor signaling, or master energy-sensing kinase activation.
Depending on the experimental setup—ranging from microfluidic cell culture arrays to high-throughput enzymatic screenings—laboratories may utilize different material formats, such as a 5 amino 1mq 50mg vial or standard 5mg lyophilized units. Proper handling and reconstitution protocols are vital to maintain molecular stability and yield reproducible experimental data.
Unlike large hydrophilic peptides, 5-amino-1MQ is a synthetic small-molecule quinolinium salt. It exhibits high solubility in dimethyl sulfoxide (DMSO) and moderate solubility in aqueous buffers such as phosphate-buffered saline (PBS, pH 7.4) when properly sonicated or vortexed. For in vitro stock solutions, reconstituting the dry powder in high-purity, anhydrous DMSO at concentrations between 10 mM and 50 mM is recommended. Stock solutions should be aliquoted into single-use microcentrifuge tubes to prevent repeated freeze-thaw cycles and stored at -20°C or -80°C protected from light. Prior to cellular exposure, stock solutions should be diluted directly into culture media, ensuring the final DMSO concentration does not exceed 0.1% v/v to prevent solvent-induced toxicity.
In quantitative metabolic research, small-molecule impurities or solvent residues can interfere with enzymatic kinetic assays and alter cellular viability assays. PX1 Research implements an uncompromising quality assurance framework for every batch of 1MQ produced. Every lot undergoes rigorous testing in an ISO 17025 accredited laboratory to verify identity, potency, and purity before release.
Purity is quantitatively determined using Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC), confirming a minimum purity threshold of 99.0%. Molecular mass and structural integrity are validated via Electrospray Ionization Mass Spectrometry (ESI-MS), ensuring the absence of unreacted precursors or degradation products. Furthermore, because bacterial endotoxins can trigger innate immune responses in macrophage and cell line cultures, PX1 Research subjects all lot batches to Chromogenic Limulus Amebocyte Lysate (LAL) testing, guaranteeing endotoxin levels remain below strictly controlled thresholds (<0.01 EU/mg).
Reliable research outcomes require consistent batch-to-batch chemical properties and an uninterrupted supply chain. PX1 Research synthesizes all compounds in state-of-the-art, GMP-compliant facilities located within the United States. By keeping production domestic, we enforce strict oversight over raw materials, synthesis pathways, and final purification stages.
To support academic institutions, pharmaceutical laboratories, and independent research organizations, PX1 Research provides comprehensive documentation with every shipment, including lot-specific Certificates of Analysis (COAs). Orders placed Monday through Friday before cut-off times are dispatched same-day from our fulfillment hubs in California and Arizona. University buyers and commercial facilities requiring large-scale batch commitments can access custom supply agreements through our dedicated wholesale lab accounts portal.
What is 1mq and how does it act as an NNMT inhibitor?
1MQ (5-amino-1-methylquinolinium) is a selective, membrane-permeable small molecule that inhibits the enzyme nicotinamide N-methyltransferase (NNMT). By blocking NNMT catalytic activity, 1MQ prevents the degradation of nicotinamide into 1-methylnicotinamide, preserving intracellular NAD+ pools and S-adenosylmethionine (SAM) methyl donor availability for research applications.
How does 5 amino 1mq 50mg vial configuration compare to a 5mg vial in laboratory experiments?
A 5 amino 1mq 50mg vial provides a larger quantity of compound designed for high-throughput cell culture screenings, extended animal study cohorts, or multi-plate enzymatic assays. A 5mg vial is ideal for pilot feasibility studies or smaller in vitro assays. Both configurations contain identical high-purity chemical material requiring identical solvent reconstitution protocols.
What is the primary mechanism of 5amino 1 mq in fat-metabolism research?
In fat-metabolism research, 5amino 1 mq inhibits NNMT in adipocytes, which reduces intracellular nicotinamide depletion. Preclinical models show this increases SIRT1 activity and PGC-1α expression, leading to enhanced mitochondrial biogenesis, increased cellular respiration, reduced adipocyte hypertrophy, and upregulated expression of thermogenic markers like UCP1.
What purity levels are required for 1mq in in vitro metabolic assays?
In vitro metabolic assays require 1MQ purity levels of ≥99.0%. Impurities can inhibit non-target enzymes or cause non-specific cellular toxicity. PX1 Research verifies 1MQ purity using Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and Mass Spectrometry (MS) for every production lot.
How should 5-amino-1MQ be reconstituted for cell culture protocols?
5-Amino-1MQ should be reconstituted in sterile, anhydrous DMSO to create a high-concentration stock solution (e.g., 10–50 mM). This stock can then be diluted into aqueous media (such as PBS or cell culture medium) immediately prior to treatment. Ensure the final DMSO concentration in cell culture wells remains below 0.1% v/v.
Is 5-amino-1MQ stable at room temperature during laboratory handling?
Lyophilized 5-amino-1MQ powder is stable at ambient room temperature for short periods during transit and initial laboratory weighing. However, for long-term storage, dry powder should be kept at -20°C. Reconstituted stock solutions in DMSO must be aliquoted and stored at -20°C or -80°C, protected from light and moisture.
What receptor or enzymatic targets does 1mq interact with besides NNMT?
Preclinical profiling demonstrates that 1MQ exhibits high target selectivity for NNMT over other methyltransferases, kinases, or G-protein coupled receptors (GPCRs). It does not act as a direct receptor ligand; rather, its downstream physiological effects stem entirely from intracellular NAD+ preservation and metabolic pathway modulation.
What preclinical models are used to evaluate 1mq in metabolic research?
1MQ is frequently evaluated in cell lines such as 3T3-L1 adipocytes and C2C12 myotubes, as well as in vivo rodent models of diet-induced obesity, metabolic syndrome, and muscle aging. Researchers measure parameters such as oxygen consumption rate (OCR), intracellular NAD+/NADH ratios, and tissue-specific gene expression.
How does NNMT inhibition by 1mq affect cellular SAM and SAH ratios?
NNMT consumes S-adenosylmethionine (SAM) to methylate nicotinamide, converting SAM into S-adenosylhomocysteine (SAH). By inhibiting NNMT, 1MQ prevents excessive SAM consumption, helping maintain the SAM/SAH ratio required for histone methyltransferases and epigenetic DNA methylation assays.
Can 5-amino-1MQ be sourced for bulk or institutional research projects?
Yes, PX1 Research provides institutional sourcing for high-volume research demands. Qualified research institutions, universities, and commercial laboratories can order standardized vials directly online or apply for [wholesale lab accounts](/wholesale) to obtain bulk quantities with batch-specific COAs and full analytical testing documentation.
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.