Abstract
The convulsant effect of application of dicarboxylic amino acids to the cortex was first reported by Hayashi (1954). This observation suggests that antagonists of excitation induced by amino acid neurotransmitters might be anticonvulsant agents in some forms of epilepsy. Some rather weak and indeterminate anticonvulsant effects of glutamic acid diethyl ester were initially described (Freed and Michaelis, 1978; Freed, 1985). However, following the identification of potent and specific excita- tory amino acid antagonists (Davies et al., 1982) it was shown that compounds that selectively antagonized excitation at the N-methyl-D-aspartate preferring receptor are anticonvulsant, with a potency matching that of the benzodiazepines when administered intracerebroventricularly (Croucher et al., 1982; Chapman et al., 1984). Testing in a wide range of animal models shows that NMDA antagonists provide a novel class of anticonvulsant agent with a broad spectrum of activity roughly equivalent to that of sodium valproate when administered systemically. The further observation that they can protect against ischemic brain damage has strengthened the concept that an excitotoxic mechanism is involved in such damage (Meldrum et al., 1982; Simon et al., 1984).
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References
Anderson, E.,Baudry, M., Lynch, G., and Morris, R.G.M., 1985, Selective impairment of learning and blockade of long-term potentiation by an N-methyl-D-aspartate receptor antagonist, APV-5, J. Physiol., 367: 31 P.
Chapman, A.G., Collins, J.F., Meldrum, B.S., and Westerberg, E., 1983, Uptak of a novel anticonvulsant compound, 2-amino-7-phosphonoheptanoic [4,5–3H] acid into mouse brain, Neurosci. Lett., 37: 75.
Chapman, A.G., Croucher, M.J., and Meldrum, B.S., 1984, Evaluation of anticonvulsant drugs in DBA/2 mice with sound-induced seizures, Arzneim. Forschung, 34: 1261.
Chapman, A.G., Hart, G.P., Meldrum B.S., Turski, L., and Watkins, J.C., 1985, Anticonvulsant activity of two novel piperazine derivatives with potent kainate antagonist activity, Neurosci. Lett., 55: 325.
Collins, J.F., Dixon, A.J., Badman, G., DeSarro, G., Chapman, A.G., Hart, G.P., and Meldrum, B.S., 1984, Kainic acid derivatives with anticonvulsant activity, Neurosci. Lett., 51: 371.
Connick, J.H., and Stone, T.W., 1985, p-kainic acid inhibits glutamate release from rat brain slices, IRCS Med. Soi., 13: 824.
Croucher, M.J., Collins, J.F., and Meldrum, B.S., 1982, Anticonvulsant action of excitatory amino acid antagonists, Science, 216: 899.
Croucher, M.J., Meldrum, B.S., Jones, A.W., and Watkins, J.C., 1984a, y-D-Glutamylaminomethyl-sulphonic acid (GAMS), a kainate and quisqualate antagonist, prevents sound-induced seizures in DBA/2 mice, Brain Res., 322: 111.
Croucher, M.J., Meldrum, B.S., and Collins, J.F., 1984b, Anticonvulsant and proconvulsant properties of a series of structural isomers of piperidine dicarboxylic acid, Neurooharmacology, 23: 467.
Czuczwar, S.J., Cavalheiro, E.A., Turski, L., Turski, W.A., and Kleinrok, Z., 1985, Phosphonic analogues of excitatory amino acids raise the threshold for maximal electroconvulsions in mice, Neurosci. Res., 3: 86.
Davies, J., Evans, R.H., Jones, A.W., Smith, D.A.S., and Watkins, J.C., 1982, Differential activation and blockade of excitatory amino acid receptors in the mammalian and amphibian central nervous system, Cow. Biochem. Phvsiol., 72C: 211.
Davies, J., Jones, A.W., Sheardown, M.J., Smith, D.A.S., and Watkins
J.C., 1984, Phosphono dipeptides and piperazine derivatives as antagonists of amino acid induced and synaptic excitation in mammalian and amphibian spinal cord, Neurosci. Lett., 52: 79.
De Sarro, G., Meldrum, B.S., and Reavill, C., 1984, Anticonvulsant action of 2-amino-7-phosphonoheptanoic acid in the substantia nigra, Eur. J. Pharmacol., 106: 175.
Dolphin, A.C., and Archer, E.R., 1983, An adenosine agonist inhibits and a cyclic AMP analogue enhances the release of glutamate but not GABA from slices of rat dentate gyrus, Neurosci. Lett., 43: 49.
Evans, R.H., Francis, A.A., Jones, A.W., Smith, D.A.S., and Watkins, J.C.,1982, The effects of a series of m-phosphonic a-carboxylic amino acids on electrically-evoked and excitant amino acid-induced responses in isolated spinal cord preparations, Br. J. Pharmac., 75: 65.
Fagg, G.E., and Lanthorn, T.H., 1985, C1-/Ca,-1--dependent L-glutamate binding sites do not correspond to 2-amino-4-phosphonobutanoate-sensitive excitatory amino acid receptors, Br. J. Pharmacol., 86: 743.
Freed, W.J., and Michaelis, E.K., 1978, Glutamic acid and ethanol dependence, Pharmacol. Biochem. Behay., 8: 509.
Freed, W.J., 1985, Selective inhibition of homocysteine-induced seizures by glutamic acid diethyl ester and other glutamate esters, EDileDsia, 26: 10.
Hablitz, J.J., 1985, Suppression of synaptically evoked epileptiform dischar-ges in the hippocampus by NMDA antagonists, EDileDsia, 26:512. Hayashi, T., 1954, Effects of sodium glutamate on the nervous system,Keio J. Med., 3: 183.
Jones, A.W., Croucher, M.J., Meldrum, B.S., and Watkins, J.C., 1984, Suppression of audiogenic seizures in DBA/2 mice by two new dipeptide NMDA receptor antagonists, Neurosci. Lett., 45: 157.
King, G.L., and Dingledine, R., 1985, Role for N-methyl-D-aspartate receptors in epileptiform bursting, EDileDsia, 26: 509.
Lodge, D., Martin, D., and Aram, J.A., 1985, Comparison of DL-2-amino-5-phosphono-valerate (AP5) and DL-2-amino-7-phosphonoheptanoate (AP7) as anticonvulsants and N-methyl-D-aspartate antagonists in vitro, EDileDsia, 26: 507.
Mayer, M.L., and Westbrook, G.L., 1984, Mixed-agonist action of excitatory amino acids on mouse spinal cord neurones under voltage clamp, J. Physiol. 354: 29.
Meldrum, B.S., Griffiths, T., and Evans, M., 1982, Hypoxia and neuronal hyperexcitability - a clue to mechanisms of brain protection, in: Protection of Tissue Against HvDoxia, A. Wauquier, M. Borgers and W.K. Amery, eds., Elsevier/North Holland, p. 275.
Meldrum, B.S., and Chapman, A.G., 1983, Excitatory amino acids and anti-convulsant drug action, in: Glutamine, Glutamate, and GABA in the Central Nervous System, L. Hertz, E. Kvamme, E. McGeer and A. Schousboe, eds., Alan R. Liss Inc., New York, p. 625.
Meldrum, B.S., Croucher, M.J., Badman, G., and Collins, J.F., 1983a, Anti-epileptic action of excitatory amino acid antagonists in the photosensitive baboon, PaDio DaDio, Neurosci. Lett., 39: 101.
Meldrum, B.S., Croucher, M.J., Czuczwar, S.J., Collins, J.F., Curry, K., Joseph, M., and Stone, T.W., 1983b, A comparison of the anticonvulsant potency of (±)2-amino-5-phosphonopentanoic acid and (+)2-amino-7-phosphonoheptanoic acid, Neuroscience, 9: 925.
Meldrum, B.S., Wardley-Smith, B., Halsey, M., and Rostain, J. C., 1983c, 2-Amino-7-phosphonoheptanoic acid protects against the high pressure neurological syndrome, Eur. J. Pharmacol., 87: 501.
Millan, M.H., Faingold, C.L., and Meldrum, B.S. 1986, Intranigral injection of 2-amino-7-phosphonoheptanoic acid protects against audiogenic seizures in genetically epilepsy prone rats, in: Advances in EDileotologv
P. Wolf, ed., Raven Press, New York. Olney, J.W., Labruyere, J., Collins, J.F., and Curry, K., 1981, D-aminophosphonovalerate is 100 fold more powerful than D-alpha-aminoadipate in blocking N-methylaspartate neurotoxicity, Brain Res., 221:207.
Patel, S., Millan, M.H., Mello, L.M., and Meldrum, B.S., 1986, 2-amino-7-phosphonoheptanoic acid (2-APH) infusion into entopeduncular nucleus protects against limbic seizures in rats, Neurosci. Lett., 64: 226.
Peet, M.J., Leah, J.D., and Curtis, D.R., 1983, Antagonists of synaptic and amino acid excitation of neurons in the cat spinal cord, Brain Res., 266: 83.
Perkins, M.N., and Stone, T.W., 1983, Pharmacology and regional variations of quinolinic acid-evoked excitations in the rat central nervous system, J. Pharmacol. ExD. TheraD., 226: 551.
Peterson, D.W., Collins, J.F., and Bradford, H.F., 1983, The kindled amygdala model of epilepsy: anticonvulsant action of amino acid antagonists,Brain Res., 275: 169.
Schwarcz, R., and Meldrum, B.S., 1985, Excitatory amino acid antagonists provide a therapeutic approach to neurological disorders, Lancet, ii: 140.
Simon, R.P., Swan, J.H., Griffiths, T., and Meldrum, B.S., 1984a, Blockade of N-methyl-D-aspartate receptors may protect against ischemic damage in the brain, Science, 226: 850.
Simon, R.P., Griffiths, T., Evans, M.S., Swan, J.H., and Meldrum, B.S., 1984b, Calcium overload in selectively vulnerable neurons of the hippo-campus during and after ischemia: an EM study in the rat, J. Cerebr. Blood Flow Metab., 4: 350.
Stone, T.W., and Collins, J.F., 1985, ß-kainic acid is not an amino acid antagonist, J. Pharm. Pharmacol., 37: 668.
Swann, J.W., and Brady, R.J., 1985, NMDA antagonists block penicillin-induced after discharges in immature CA3 hippocampal neurons, Eoilevsia, 26:512.
Turski, L., Collins, J.F., and Meldrum, B.S., 1985a, Is p-kainic acid an N-methyl-D-aspartate antagonist?, Brain Res., 336: 162.
Turski, L., Schwarz, M., Turski, W.A., Klockgether, T., Sontag, K.H., and Collins, J.F., 1985b, Muscle relaxant action of excitatory amino acid antagonists, Neurosci. Lett., 53: 321.
Turski, L., Cavalheiro, E.A., Turski, W.A., and Meldrum, B.S., 1986, Excitatory neurotransmission within substantia nigra pars reticulata regulates threshold for seizures produced by pilocarpine in rats: effects of intranigral 2-amino-7-phosphonoheptanoate and N-methyl-D-aspartate, Neuroscience, 18: 61.
Wardley-Smith, B., and Meldrum, B.S., 1984, Effect of excitatory amino acid antagonists on the high pressure neurological syndrome in rats, Eur. J. Pharmacol., 105: 351.
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© 1986 Plenum Press, New York
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Meldrum, B. (1986). Excitatory Amino Acid Antagonists as Novel Anticonvulsants. In: Schwarcz, R., Ben-Ari, Y. (eds) Excitatory Amino Acids and Epilepsy. Advances in Experimental Medicine and Biology, vol 203. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7971-3_24
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DOI: https://doi.org/10.1007/978-1-4684-7971-3_24
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