5-Amino-1MQ

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5-Amino-1-methylquinolinium (5-amino-1MQ) is a non-peptide small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme that catalyzes the methylation of nicotinamide using S-adenosyl methionine (SAM) as a methyl donor; NNMT is overexpressed in adipose tissue and has been identified as a metabolic regulator linking one-carbon metabolism, cellular methylation capacity, and adipogenesis. NNMT inhibition by 5-amino-1MQ is proposed to increase intracellular SAM and polyamine availability, shifting the cellular methylation balance in adipocytes toward suppression of adipogenesis and promotion of thermogenic gene expression; preclinical studies have examined effects on adipose tissue energy expenditure, systemic metabolism, and gut microbiome composition in diet-induced obesity mouse models. The best available indexed evidence is a preclinical study in diet-induced obese mice demonstrating that NNMT inhibition combined with caloric restriction altered microbiome composition and metabolic parameters; no human pharmacokinetic, safety, or efficacy data for 5-amino-1MQ has been published in any PubMed-indexed journal. 5-Amino-1MQ is a non-peptide research compound with no FDA approval or regulatory approval in any jurisdiction; it is not a peptide in the pharmacological sense and carries no human evidence base; all interest derives from preclinical metabolic data that has not been translated to human investigation. 5-Amino-1MQ dosage: No human clinical trial has established a dosing protocol for 5-Amino-1MQ. Preclinical research in rodent models has investigated this NNMT inhibitor at varying concentrations to assess metabolic effects. 5-Amino-1MQ is a research compound with no approved human dosing guidelines for any indication. Research protocols have explored oral and injectable delivery routes.

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