摘要 |
Amino acids other than glutamic acid are used as a metabotropic glutamate receptor activator. More preferably, aspartic acid, valine and cysteine are used as a group I metabotropic glutamate receptor activator; alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, valine, ornithine, taurine and hydroxyproline are used as a group II metabotropic glutamate receptor activator; and cysteine is used as a group III metabotropic glutamate receptor activator.
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