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MK-801建立谷氨酸功能低下精神分裂症小鼠模型的研究 被引量:17

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摘要 目的用谷氨酸N-甲基-D-天冬氨酸(NMDA)受体非竞争性拮抗剂地卓西平马来酸盐(MK-801)建立谷氨酸功能低下精神分裂症小鼠模型,评价MK-801不同剂量时对这种模型的行为学改变,探讨其适宜剂量。方法根据文献及预试验,确定MK-801的实验剂量,用DigBehv自发活动视频分析系统测定腹腔注射MK-801不同剂量组小鼠的自发活动,用评分量表评价小鼠的刻板行为,并与注射生理盐水组比较。结果MK-801(0.125~0.50 mg/kg)呈剂量依赖性增加小鼠的自发活动和刻板行为。MK-801剂量为0.25 mg/kg时能显著增加小鼠的自发活动和刻板行为,而且从行为学方面评定,没有明显的神经毒性作用。0.50 mg/kg剂量组出现了后肢肌力障碍和明显的共济失调等神经毒性表现。结论0.25 mg/kg的MK-801可作为谷氨酸功能低下小鼠模型的最适宜剂量,引起的行为学改变能够客观量化。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2006年第6期558-560,共3页 Chinese Journal of Nervous and Mental Diseases
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参考文献15

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