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L-AP4: Wikis


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Systematic (IUPAC) name
(2S)-2-amino-4-phosphonobutanoic acid
CAS number 23052-81-5
ATC code  ?
PubChem 179394
Chemical data
Formula C 4H10NO5P 
Mol. mass 183.099 g/mol
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.  ?
Legal status
Routes  ?

L-AP4 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,[1] 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.[2][3][4][5]


  1. ^ Thomsen C. The L-AP4 receptor. General Pharmacology. 1997 Aug;29(2):151-8. PMID 9251893
  2. ^ Lopez S, Turle-Lorenzo N, Acher F, De Leonibus E, Mele A, Amalric M. Targeting group III metabotropic glutamate receptors produces complex behavioral effects in rodent models of Parkinson's disease. Journal of Neuroscience. 2007 Jun 20;27(25):6701-11. PMID 17581957
  3. ^ Macinnes N, Duty S. Group III metabotropic glutamate receptors act as hetero-receptors modulating evoked GABA release in the globus pallidus in vivo. European Journal of Pharmacology. 2008 Feb 2;580(1-2):95-9. PMID 18035348
  4. ^ Zhang HM, Chen SR, Pan HL. Effects of activation of group III metabotropic glutamate receptors on spinal synaptic transmission in a rat model of neuropathic pain. Neuroscience. 2009 Jan 23;158(2):875-84. PMID 19017536
  5. ^ Maciejak P, Szyndler J, Turzyńska D, Sobolewska A, Taracha E, Skórzewska A, Lehner M, Bidziński A, Hamed A, Wisłowska-Stanek A, Płaźnik A. The effects of group III mGluR ligands on pentylenetetrazol-induced kindling of seizures and hippocampal amino acids concentration. Brain Research. 2009 Jul 28;1282:20-7. PMID 19481536


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