5‑Amino‑1MQ Research Overview

5‑Amino‑1MQ (5‑amino‑1‑methylquinolinium) is a synthetic small‑molecule compound studied in laboratory and preclinical research involving nicotinamide N‑methyltransferase (NNMT) inhibition and metabolic signaling pathways. It belongs to the quinolinium class of molecules and has been used to investigate modulation of enzymatic activity related to cellular methylation processes and metabolic regulation.

In experimental research environments, 5‑Amino‑1MQ is commonly used to study the biological role of NNMT, an enzyme involved in the methylation of nicotinamide and the regulation of cellular NAD⁺ metabolism. NNMT activity has been examined in connection with metabolic signaling networks, energy‑regulation pathways, and cellular metabolic homeostasis.

Laboratory investigations explore how NNMT inhibition may influence methyl‑donor balance, NAD⁺‑related metabolic processes, and gene‑expression pathways associated with cellular metabolism. Research has examined these mechanisms across several experimental systems, including adipocyte models, metabolic tissue culture systems, and cellular metabolic assays.

Note: All mechanistic insights derive from laboratory or animal models. This compound is research‑use only and not intended for human or veterinary application.

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Mechanism of Action in Laboratory Models

5‑Amino‑1MQ has been investigated across several metabolic and enzymatic signaling pathways in preclinical research.

Nicotinamide N‑Methyltransferase (NNMT) Inhibition
Laboratory models examine the compound’s interaction with NNMT enzyme activity, which catalyzes the methylation of nicotinamide using S‑adenosylmethionine (SAM) as a methyl donor. Enzyme inhibition assays evaluate how 5‑Amino‑1MQ influences NNMT‑mediated metabolic pathways, while genetic NNMT knockdown models have been used to characterize the broader role of NNMT in metabolism (Kraus et al., 2014).

NAD⁺ Metabolic Pathways
Experimental studies investigate how modulation of NNMT activity may influence nicotinamide metabolism and NAD⁺‑related cellular energy‑signaling networks.

Cellular Methylation Balance
Preclinical research examines interactions with methyl‑donor pathways, including changes in intracellular SAM and S‑adenosylhomocysteine (SAH) balance associated with methylation processes.

Metabolic Signaling Pathways
Laboratory assays evaluate how NNMT‑related metabolic signaling may influence gene expression, cellular metabolic regulation, and energy‑homeostasis pathways.

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Primary Research Findings

Mechanistic studies in preclinical and in vitro models demonstrate several areas of investigation.

NNMT Enzyme Activity
Research involving biochemical assays examines how 5‑Amino‑1MQ interacts with NNMT catalytic activity and nicotinamide methylation pathways, while complementary genetic approaches (such as NNMT knockdown) further define NNMT’s role in metabolic regulation (Kraus et al., 2014).

Metabolic Pathway Regulation
Experimental models studying cellular metabolism examine how NNMT modulation influences metabolic signaling pathways related to energy regulation and cellular metabolic balance (Neelakantan et al., 2018).

Cellular Metabolic Signaling
Laboratory investigations using metabolic cell‑culture systems evaluate changes in gene expression and metabolic regulatory pathways associated with NNMT inhibition and altered methylation/NAD⁺ pathways.

Note: Reported findings represent mechanistic observations in laboratory research; direct clinical translation is not established.

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Research Applications

Enzyme Inhibition Studies
Investigations include biochemical assays examining NNMT catalytic activity and small‑molecule inhibitor interactions.

Metabolic Signaling Research
Laboratory models explore metabolic regulatory pathways involving NAD⁺ metabolism and methylation‑linked signaling networks.

Cellular Metabolism Studies
Experimental systems investigate metabolic signaling mechanisms related to energy regulation and gene expression in metabolic tissues.

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Comparative Research Context

5‑Amino‑1MQ is frequently evaluated in comparison with other NNMT inhibitors and metabolic enzyme modulators. Comparative research focuses on enzyme‑binding characteristics, metabolic pathway modulation, and cellular metabolic signaling in vitro or in animal models rather than functional superiority.

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Research Handling and Format

• Solid Research‑Grade Form: Supplied as a solid small‑molecule material to support chemical stability and reproducibility.

• Storage: Maintain in a cool, dry, light‑protected environment.

• Reconstitution: Stability following dissolution is dependent on laboratory conditions, solvent systems, and storage parameters.

• Research Use Only: Intended solely for laboratory research purposes.

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Compound Identity and Molecular Profile

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References

Kraus, D., Yang, Q., Kong, D., Banks, A. S., Zhang, L., Rodgers, J. T., Pirinen, E., Pulinilkunnil, T., Gong, F., Wang, Y. C., Cen, Y., Sauve, A. A., & Kahn, B. B. (2014). Nicotinamide N‑methyltransferase knockdown protects against diet‑induced obesity. Nature, 508(7495), 258–262.

Neelakantan, H., et al. (2018). Selective and membrane‑permeable small molecule inhibitors of nicotinamide N‑methyltransferase reverse high‑fat‑diet–induced obesity in mice. Biochemical Pharmacology, 147, 141–152.

Aksoy, S., Szumlanski, C. L., & Weinshilboum, R. M. (1994). Human liver nicotinamide N‑methyltransferase: cDNA cloning, expression, and biochemical characterization. Journal of Biological Chemistry, 269(20), 14835–14840.