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Glycine potentiates the action of some anticonvulsant drugs in some seizure models

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Abstract

The anticonvulsant effect of either phenobarbital or dilantin was potentiated by exogenous glycine in DBA/2 audiogenic seizure mice and in 3-mercaptopropionic acid-induced seizures. In seizures caused by pentylenetetrazol, glycine potentiated the anticonvulsant effect of phenobarbital only slightly; in combination with dilantin, which was ineffective by itself, it did not have an effect. Valproic acid, in large doses, prevented 3-mercaptopropionic acid-induced seizures; glycine did not potentiate its effect. Glycine thus potentiates anticonvulsant effects, but only of some drugs and only in some of the seizure models. This suggests that the mechanism of the anticonvulsant effect of glycine is similar to that of some of the anticonvulsant drugs such as dilantin and different from others, and that this mechanism is not effective in all seizure models.

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  1. Center for Neurochemistry, The Nathan S. Kline Institute for Psychiatric Research Ward's Island, 10035, New York, New York

    Eugene Toth & Abel Lajtha

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  1. Eugene Toth
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  2. Abel Lajtha
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Toth, E., Lajtha, A. Glycine potentiates the action of some anticonvulsant drugs in some seizure models. Neurochem Res 9, 1711–1718 (1984). https://doi.org/10.1007/BF00968081

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