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pubmed:abstractText |
The onset pressures for the tremor, myoclonus and convulsions seen in the high pressure neurological syndrome (HPNS) are increased following cis-2,3-piperidine dicarboxylic acid 1 mmol/kg in the rat. Glutamic acid diethyl ester 1-3 mmol/kg has no effect on tremor or myoclonus, but increases the convulsion pressure when 3 mmol/kg is given immediately before compression. These and earlier data with 2-amino-7-phosphonoheptanoic acid suggest that excitation at the N-methyl-D-aspartate receptor is important in HPNS tremor, and that excitation at the quisqualate receptor contributes to HPNS convulsions.
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