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for educational and safety purposes
Huperzine A and Galantamine both come up in the same conversations; they overlap on Acetylcholine. Huperzine A: Huperzine A is a naturally occurring alkaloid isolated from the Chinese club moss Huperzia serrata, a plant long used in traditional Chinese medicine. Galantamine: Galantamine is a plant-derived alkaloid, isolated from snowdrops and related plants of the Amaryllidaceae family, used to treat the memory and thinking difficulties of mild-to-moderate Alzheimer's disease.
Huperzine A is a naturally occurring alkaloid isolated from the Chinese club moss Huperzia serrata, a plant long used in traditional Chinese medicine. It is a potent, selective, and long-acting reversible inhibitor of acetylcholinesterase, and it additionally acts as a non-competitive antagonist of the NMDA glutamate receptor at one of the polyamine binding sites, a combination that has made it of interest for memory, dementia, and neuroprotection. In China it is used as an approved drug, whereas in the United States it is sold as a dietary supplement.
Galantamine is a plant-derived alkaloid, isolated from snowdrops and related plants of the Amaryllidaceae family, used to treat the memory and thinking difficulties of mild-to-moderate Alzheimer's disease. It has an unusual dual action on the cholinergic system: it inhibits the enzyme acetylcholinesterase, and it separately acts as an allosteric potentiating ligand that binds a site distinct from the neurotransmitter's on nicotinic acetylcholine receptors, making them respond more strongly to acetylcholine. Marketed under names such as Razadyne and Reminyl, it has also been studied as a nerve-agent countermeasure and, more curiously, as an aid to lucid dreaming.
both fingerprints on one instrument; where the marks line up the two compounds work the same lever, where a slot goes dark only one of them touches it. read straight from each entry's affinity table; nothing here is invented.
inhibits
Reversible inhibitor
protects against
non-competitive antagonist
Allosteric potentiator
Slower
strengths are the entries' qualitative ratings (strong / moderate / weak); Ki and EC50 figures appear where an entry records them.