The colchicine binding site is most commonly targeted as a site for microtubule polymerization inhibition27,28. As such, the seemingly enhanced polymerization rates observed in the in vitro polymerization assays with 25B-NBF and 25C-NBF was unexpected. This increase in polymerization has been ascribed to reducing the dynamic instability of microtubules by increasing the stopping time of microtubules31.

Cyclized Phenethylamines
Such amines are formed by bacteria of the genera Lactobacillus, Clostridium, Pseudomonas, and Enterobacteriaceae that contain amino acid decarboxylases which remove an α-carboxyl group from the respective amino acid (Giraffa, 2003; Shalaby, 1996). Most of the drug abuse-related studies from the author’s laboratory were supported by NIDA grants DA (receptor binding and drug discrimination studies involving hallucinogens, central stimulants, and cathinone/methcathinone analogs) and DA (new “synthetic cathinones”). Some studies were supported by NIMH grant MH (various serotonergic agents including development of NAN-190).

Dr. Shulgin developed, tested, and published the formulas for 179 different compounds largely based around the structure of PEA in his book PiHKAL. One of the more famous PEA derivatives is Methylenedioxymethamphetamine (MDMA or Ecstasy). Combining cannabis with 2C drugs can lead to a more intense psychedelic experience than desired.
Dosage Of Phenylethylamine
In fact, 2C-B stimulated the apoptosis of TK6 cells only at the highest concentrations tested (25 and 35 µM). This fact is of crucial toxicological importance and has great repercussions in terms of genotoxicity, because it underlines the inability of the cell to counteract, through this selective death mechanism, the transmission of the genetic damage suffered from the mother cell to daughter cells. Phenethylamine is intrinsically a stimulant, although it doesn’t last long enough to express this property.
Phenylethylamine
Additionally, the human body spontaneously makes it from the amino acid phenylalanine. It belongs to the class of trace amines, which are biogenic amines with low molecular weights. PEA is structurally related to amphetamines and neurotransmitters such as dopamine, norepinephrine, and serotonin. Ring-substituted phenethylamines, commonly known as 2Cs, are designer drugs that are emerging as new drugs of abuse. There are a few 2Cs that have been studied, i.e., 2C-T-7, 2C-B, and 2C-E, so information about the pharmacology, pharmacokinetics, and pharmacodynamics, while low in volume, is becoming available.
2 Natural Occurrence And Biological Synthesis Of PEA

A substantial amount of the drug is believed to be found within the brain and liver. There is very limited published literature on the effects of the drug in animals, despite the fact that it has been used for decades in veterinary medicine. This lack of research casts doubt on the effectiveness of the substance in treating canine epilepsy and can lead to dire consequences if it is ingested. Monoamine oxidase (MAO) supplements are another popular substance used by depressed patients to try and combat the nasty side effects of phenethylamine. Like most supplements, there is good, reliable information out there concerning the efficacy of these products in helping to treat phenylamine-induced behavior disorders and the like. However, it is also important for anyone considering MAO products to know and understand that even though the substances themselves are relatively safe, any MAO product, even those sold over-the-counter, can produce a dangerous build-up of potentially harmful conditions if used improperly.
Addiction Potential Of Psychedelic Phenethylamines
Note that the numbers in parentheses (1, 2, etc.) are clickable links to these studies. You are encouraged to report negative side effects of prescription drugs to the FDA. Some of these medications for depression include fluoxetine (Prozac), paroxetine (Paxil), sertraline (Zoloft), amitriptyline (Elavil), clomipramine (Anafranil), imipramine (Tofranil), and others. Dipeptidyl peptidases are exopeptidases responsible for proteolytic transformations, specifically cleaving the peptide bond after the penultimate proline residue.
There is no current use of this substance in human studies to test for abuse potential. Animal studies have not established any toxic side effects when use is made under the supervision of a veterinarian. Animal studies do indicate that the possible side effects of this chemical in high doses are the same as those of amphetamine. The psychedelic phenethylamines tend to act as ‘releasers’ of serotonin and be able to bind 5HT2A receptors, although preserve some of the effects of traditional stimulants by acting on norepinephrine or dopamine.

Chocolate And Other Foods
One study had 14 patients with major depression take up to 60 mg per day of Phenylethylamine (PEA) along with 10 mg of selegiline (L-Deprenyl) for up to 50 weeks. The half-life of PEA taken as a nootropic supplement is only 5 – 10 minutes.v Because it’s quickly degraded by monoamine oxidase-B (MAO-B). Aromatic amino-acid decarboxylase converts phenylalanine to phenylethylamine. In this review we investigate how phenylethylamine (PEA) works in the human brain.
If piperidine is replaced with a smaller ring or short alkyl chain, it will be difficult to reach Phe320 and the binding affinity will be lowered. Because the compounds used in the reuptake assay were likely to be racemic mixtures, docking simulation was conducted for the most stable isomer in the mixture. To predict a more reasonable binding pose of a ligand, docking simulation was performed using various customized scoring functions, such as Vina, Smina, Vinardo, and AD4.
- The information we provide is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
- This results in an alcoholate precipitate, which thickens the solution requiring more ether to be added.
- Many of the agents are abused substances, others possess mechanistic attributes that (internally – SERT vs DAT action of a given agent) temper, or potentiate (i.e., 8-OH DPAT), these actions, and the actions of some agents probably involve multiple mechanisms.
- To predict a more reasonable binding pose of a ligand, docking simulation was performed using various customized scoring functions, such as Vina, Smina, Vinardo, and AD4.
- These drugs may be characterized by either serotonergic toxicity or a sympathomimetic toxidrome, but a presentation consistent with excited delirium is consistent amongst the reported 2C-related deaths.
The Zendo Project was founded in partnership with the Multidisciplinary Association for Psychedelic Studies. Their extensive list of harm reduction resources, emotional support services, and peer support hotlines offer a vast array of tools to help you move through a challenging experience and come out the other side feeling empowered and secure. Three deaths have been linked to 2C-T-7, one death to 2C-T-21, two deaths to 2C-I-NBOMe, and one death to 2C-E 34–41. It should be noted that there are recent reports of poor clinical outcomes after exposure to unconfirmed 2Cs, including presumed 2C-I-NBOMe (25i). Other published case reports of 2C intoxication are listed in Table 3 41–43. The opinions expressed in this section are solely those of the users who may or may not have medical or scientific training.
David Tomen
Read this post to find out more about the roles and dangers of phenethylamine. Conversely, many phenethylamine derivatives, particularly those resembling amphetamines—such as ADHD medications, methamphetamine, and MDMA—are classified as controlled substances. These derivatives often exhibit psychoactive properties and may be deemed illegal.

Serotonin Level Testing: Methods, Importance, And Implications For Mental Health
Detailed structural features of these compounds and the substituents that determine the inhibition of DA reuptake are summarized in Fig. Dose-response assays were conducted for each compound to determine the IC50 values. GraphPad Prism 5 (GraphPad, San Diego, CA, USA) was used to analyze data and calculate IC50 values. Overall, on the basis of the obtained results, the concentrations to be used for the evaluation of genotoxicity were selected, and we proceeded with the MN test.