Objective To study the effect and mechanism of N-acetylcysteine (NAC) on hippocampal neuron death caused by glutamate at different concentration, and evaluate its toxicity.

• 目的 观察N-乙酰半胱氨酸(N-acetylcysteine，NAC)对不同浓度谷氨酸(Glutamte，Glu)诱导海马神经元损伤的影响，探讨其作用机制，评价毒性作用。