Tumor cells can destroy nervous tissue around tumor by releasing glutamate,which can result in epileptic attack.The toxic action of its excitability also will result in death of nervous cells.

• 肿瘤细胞还通过释放谷氨酸来破坏瘤周神经组织，可导致癫痫发作，其兴奋性毒性作用亦可导致神经细胞死亡。