U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 591 - 600 of 816 results

Coniine is a neurotoxic piperidine alkaloid found in poison hemlock (Conium maculatum L.). Coniine which is considered to be racemic mixture first described by Gieseke in 1827; von Hoffman confirmed the structure in 1881; Ladenburg perfermed synthesis in 1886. Coniine enantiomers are nicotinic acetylcholine receptor (nAChR) agonists. The relative potencies of these enantiomers on TE-671 cells expressing human fetal nicotinic neuromuscular receptors had the rank order of (-)-coniine > (+/-)-coniine > (+)-coniine. The rank order potency in SH-SY5Y cells which predominately express autonomic nAChRs was: (-)-coniine>(+)-coniine> (+/-)-coniine.
Strychnine-N-oxide is the major metabolite of Strychnine. Strychnine, the major alkaloid present in $trychnos:nuxypmicagseeds has been reported to stimulate the entire central nervous system with preference for the spinal cord. It is a powerful convulsant and because of this property, it is an important pharmacological tool as it plays a unique role as an inhibitor of post synaptic inhibitory impulses. It is useful to study inhibitory transmitter and receptor types. However, because of its extreme toxicity, strychnine does not have any therapeutic application in the Western system of medicine. Strychnine-N-oxide is less toxic and less convulsive than strychnine itself. However, strychnine N-oxide is not being used as a therapeutic agent now probably because of the threat of convulsions at higher doses. Strychnine-N-oxide is a muscarinic allosteric agent.
Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)


Conditions:

MDL 201012 is a muscarinic M3 receptor antagonist.
Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)



N-Ethyl-3-piperidyl benzilate (JB-318) is an anticholinergic drug. It is a potent hallucinogenic agent. JB-318 is a psychotomimetic, it has an antitremor action in patients with Parkinson disease.
PHA-543613 was discovered by Pfizer and has been under development primarily as a potential treatment of schizophrenia. PHA-543613 acts as an agonist to the Neuronal acetylcholine receptor protein alpha-7 subunit. A single human trial was conducted in healthy human volunteers, but the compound has been studied extensively in rat models for schizophrenia as well as Parkinson's disease and Alzheimer's disease.
Lobelanidine is one of lobelia alkaloids that are the constituents of Lobelia inflata. Lobelia Chinensis Lour. (L. chinensis) is a plant of the Campanulaceae family that is commonly known as "xi-mi-cao", and "she-she-cao". It has been widely used as an antidote, diuretic, and hemostat in traditional Chinese medicine for decades. Lobelanidine is known for its emetic and anticancer activity.

Showing 591 - 600 of 816 results