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Phenethylamine [note 1] (PEA) is an organic compound, natural monoamine alkaloid, and trace amine, which acts as a central nervous system stimulant in humans. In the brain, phenethylamine regulates monoamine neurotransmission by binding to trace amine-associated receptor 1 (TAAR1) and inhibiting vesicular monoamine transporter 2 (VMAT2) in ...
Palmitoylethanolamide (PEA) is an endogenous fatty acid amide, and lipid modulator. [2] A main target of PEA is proposed to be the peroxisome proliferator-activated receptor alpha (PPAR-α). [3] [4] PEA also has affinity to cannabinoid-like G-coupled receptors GPR55 and GPR119. [5]
β-Methylphenethylamine (β-Me-PEA, BMPEA, or 1-amino-2-phenylpropane) is an organic compound of the phenethylamine class, and a positional isomer of the drug amphetamine, with which it shares some properties. In particular, both amphetamine and β-methylphenethylamine are human TAAR1 agonists. [2]
N-Methylphenethylamine (NMPEA) is a naturally occurring trace amine neuromodulator in humans that is derived from the trace amine, phenethylamine (PEA). [2] [3] It has been detected in human urine (<1 μg over 24 hours) [4] and is produced by phenylethanolamine N-methyltransferase with phenethylamine as a substrate, which significantly increases PEA's effects.
A few endogenous MAEs have been identified, including the trace amines β-phenylethylamine (PEA), tyramine, and tryptamine. [1] [11] At a concentration of 16 μM (1.6 × 10-5 M), β-phenylethylamine has been shown to act as a MAE for norepinephrine (2.6-fold increase), dopamine (1.3-fold increase), and serotonin (2.3-fold increase) in the rat brainstem in vitro.
In man, a total oral dose of 1 g also produced no effects. Doses of 1–5 mg/kg, intravenously, caused no definite changes in respiration in cats or rabbits, and additional experiments showed that phenylethanolamine had no broncho-dilatory properties in animals. There was a similar lack of effect when the drug was given subcutaneously to man.
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Substituted phenethylamines (or simply phenethylamines) are a chemical class of organic compounds that are based upon the phenethylamine structure; [note 1] the class is composed of all the derivative compounds of phenethylamine which can be formed by replacing, or substituting, one or more hydrogen atoms in the phenethylamine core structure with substituents.
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