(Beijing University of Traditional Chinese Medicine, Beijing 100029)
ABSTRACT:Cerebral cortex of the newborn rat was used for neurons cu lture in vitro. An isolated pattern of injured neuro by glutamic acid was built up. Observe the effect of gastrodine on the neurotoxicity of excitatory amino ac id. The results show that: Glutamic acid can cause the expiration of cultured ne urons in large quantities and the amount of lactic dehydrogenase (LDH) in the nu trient solution can be markedly increased. By adding gastrodine or ketamine into th e nutrient solution, mortality rate of the neurons can be significantly decrease d and the transudation of LDH also diminished, which suggests gastrodine ca n antagonize the neurotoxicity of excitatory amino acid.
KEY WORDS:Gastrodine; Glutamic Acid; Cultured neuron; Rat
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