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| Formula | C14H17F3NO9P |
| Molar mass | 431.257 g·mol−1 |
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LSP2-9166 is a drug which acts as a selective agonist for the group III metabotropic glutamate receptors, with a reasonably potent EC50 of 70nM at mGluR4 and 220nM at mGluR7, and weaker activity of 1380nM at mGluR6 and 4800nM at mGluR8. [1] It has anticonvulsant effects in animal studies, [2] [3] and reduces self-administration of various addictive drugs. [4] [5] [6]
The metabotropic glutamate receptors, or mGluRs, are a type of glutamate receptor that are active through an indirect metabotropic process. They are members of the group C family of G-protein-coupled receptors, or GPCRs. Like all glutamate receptors, mGluRs bind with glutamate, an amino acid that functions as an excitatory neurotransmitter.
The glutamate receptor, metabotropic 1, also known as GRM1, is a human gene which encodes the metabotropic glutamate receptor 1 (mGluR1) protein.
Metabotropic glutamate receptor 2 (mGluR2) is a protein that, in humans, is encoded by the GRM2 gene. mGluR2 is a G protein-coupled receptor (GPCR) that couples with the Gi alpha subunit. The receptor functions as an autoreceptor for glutamate, that upon activation, inhibits the emptying of vesicular contents at the presynaptic terminal of glutamatergic neurons.
Metabotropic glutamate receptor 4 is a protein that in humans is encoded by the GRM4 gene.
Metabotropic glutamate receptor 5 is an excitatory Gq-coupled G protein-coupled receptor predominantly expressed on the postsynaptic sites of neurons. In humans, it is encoded by the GRM5 gene.
Metabotropic glutamate receptor 7 is a protein that in humans is encoded by the GRM7 gene.
Metabotropic glutamate receptor 8 is a protein that in humans is encoded by the GRM8 gene.
Eglumetad is a research drug developed by Eli Lilly and Company, which is being investigated for its potential in the treatment of anxiety and drug addiction. It is a glutamate derived compound and its mode of action implies a novel mechanism.
LY-341495 is a research drug developed by the pharmaceutical company Eli Lilly, which acts as a potent and selective orthosteric antagonist for the group II metabotropic glutamate receptors (mGluR2/3).
AMN082 is a selective metabotropic glutamate receptor 7 (mGluR7) allosteric agonist. It mimics the effect of glutamate. AMN082 is the first selective mGluR7 agonist and has expanded the potential array of research opportunities on the effects of mGluR7 in the central nervous system.
2-Methyl-6-(phenylethynyl)pyridine (MPEP) is a research drug which was one of the first compounds found to act as a selective antagonist for the metabotropic glutamate receptor subtype mGluR5. After being originally patented as a liquid crystal for LCDs, it was developed by the pharmaceutical company Novartis in the late 1990s. It was found to produce neuroprotective effects following acute brain injury in animal studies, although it was unclear whether these results were purely from mGluR5 blockade as it also acts as a weak NMDA antagonist, and as a positive allosteric modulator of another subtype mGlu4, and there is also evidence for a functional interaction between mGluR5 and NMDA receptors in the same populations of neurons. It was also shown to produce antidepressant and anxiolytic effects in animals, and to reduce the effects of morphine withdrawal, most likely due to direct interaction between mGluR5 and the μ-opioid receptor.
3-( ethynyl)pyridine (MTEP) is a research drug that was developed by Merck & Co. as a selective allosteric antagonist of the metabotropic glutamate receptor subtype mGluR5. Identified through structure-activity relationship studies on an older mGluR5 antagonist MPEP, MTEP has subsequently itself acted as a lead compound for newer and even more improved drugs.
SIB-1757 is a drug used in scientific research which was one of the first compounds developed that acts as a selective antagonist for the metabotropic glutamate receptor subtype mGluR5. It has anti-hyperalgesia effects in animals. SIB-1757 along with other mGluR5 antagonists has been shown to have neuroprotective and hepatoprotective effects, and it is also used to study the role of the mGluR5 receptor in brain development.
LY-379,268 is a drug that is used in neuroscience research, which acts as a potent and selective agonist for the group II metabotropic glutamate receptors (mGluR2/3).
L-AP4 (L-2-amino-4-phosphonobutyric acid) is a drug used in scientific research, which acts as a group-selective agonist for the group III metabotropic glutamate receptors (mGluR4/6/7/8). It was the first ligand found to act as an agonist selective for this group of mGlu receptors, but does not show selectivity between the different mGluR Group III subtypes. It is widely used in the study of this receptor family and their various functions.
DCPG ((S)-3,4-DCPG) is a drug used in scientific research, which acts as a potent and subtype-selective agonist for the metabotropic glutamate receptor mGluR8. It has anticonvulsant effects in animal studies, and has also been investigated as a possible treatment for hyperalgesia.
LY-487,379 is a drug used in scientific research that acts as a selective positive allosteric modulator for the metabotropic glutamate receptor group II subtype mGluR2. It is used to study the structure and function of this receptor subtype, and LY-487,379 along with various other mGluR2/3 agonists and positive modulators are being investigated as possible antipsychotic and anxiolytic drugs.
2-Chloro-5-hydroxyphenylglycine or CHPG is an agonist of the metabotropic glutamate receptors, specific for mGluR5.
AZ-12216052 is a drug which acts as a potent and selective positive allosteric modulator of the metabotropic glutamate receptor 8, and is used for research into the role of this receptor subtype in various processes including anxiety and neuropathic pain.
XAP044 is a drug which acts as a potent and selective antagonist of the metabotropic glutamate receptor 7 (mGluR7). It inhibits long-term potentiation in the amygdala and inhibits responses associated with stress and anxiety in animal models, as well as being used to study the role of mGluR7 in various other processes.
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