阿普唑仑抗抑郁作用与脑内四氢孕酮含量变化的研究  被引量:3

Antidepressant-like effect of alprazolam and the alternation of allopregnanolone in the brain

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作  者:仇志坤 刘旭[2] 何嘉莉[3] 马建春 陈慧 曾佳 石晖霞 沈勇刚 陈吉生 

机构地区:[1]广东药学院附属第一医院药学部/广东药学院临床药学系 [2]中国人民武装警察部队总医院药剂科,北京100039 [3]广东省中医院内分泌科

出  处:《中国临床药理学与治疗学》2016年第2期150-153,159,共5页Chinese Journal of Clinical Pharmacology and Therapeutics

基  金:广东省自然科学基金(2014A030310103)

摘  要:目的:探讨阿普唑仑抗抑郁作用与脑内四氢孕酮含量变化的联系。方法:选用经典抑郁动物实验强迫游泳实验和悬尾实验。在大鼠强迫游泳实验和小鼠悬尾实验上,单次腹腔给予阿普唑仑(0.5,1和2 mg/kg)后,分别检测5 min内游泳不动时间和悬尾不动时间。在完成大鼠强迫性游泳后24 h内,酶联免疫吸附剂测定法检测其四氢孕酮含量。结果:阿普唑仑(1和2 mg/kg)在以上两个抑郁实验中可以显著缩短游泳不动时间(1 mg/kg:158 s和2 mg/kg:152 s)(P<0.05)和悬尾不动时间(1 mg/kg:133 s和2 mg/kg:121 s)(P<0.05)。酶联免疫吸附剂测定法显示,阿普唑仑(1和2 mg/kg)可提高前额皮层(1 mg/kg:125 pg/m L和2 mg/kg:150 pg/m L)(P<0.05),海马体(2 mg/kg:175 pg/m L)(P<0.05)和杏仁核(1 mg/kg:198 pg/m L和2 mg/kg:200 pg/m L)(P<0.05)四氢孕酮含量水平。结论:阿普唑仑在动物实验中具有显著抗抑郁作用,且该抗抑郁活性与前额皮层、海马体和杏仁核四氢孕酮含量提高有关。AIM: To evaluate of allopregnanolone in the brain in the antidepressant-like effect of alprazolam. METHODS: The depressive animal models,including the tail-suspension test in mice and the forced swimming test in rats were applied.The animal behavioral tests were processed by acute alprazolam( 0. 5,1 and 2 mg/kg,intraperitoneal injection) treatment. Also,allopregnanolone level was measured after the forced swimming test in rats by enzyme-linked immunosorbent assay( ELISA).RESULTS: Alprazolam( 1 and 2 mg/kg) produced antidepressant-like effects in the forced swimming test( 1 mg/kg: 158 s and 2 mg/kg: 152 s)( P 〈0. 05) and the tail-suspension test( 1 mg/kg: 133 s and 2 mg/kg: 121 s)( P 〈0. 05). The allopregnanolone level in the prefrontal cortex( 1 mg/kg:125 pg/mL and 2 mg/kg: 150 pg/mL)( P 〈0. 05),hippocampus( 2 mg/kg: 175 pg/mL)( P 〈0. 05) and amydala( 1 mg/kg: 198 pg/mL and 2mg/kg: 200 pg/mL)( P 〈0. 05) was increased by administration of alprazolam( 1 and 2 mg/kg).CONCLUSION: These results indicate that alprazolam exerts the antidepressant-like effects on behaviors which are associated with the alternation of allopregnanolone biosynthesis in the brain.

关 键 词:阿普唑仑 抗抑郁 四氢孕酮 

分 类 号:R965.2[医药卫生—药理学] R749[医药卫生—药学]

 

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