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不同实验条件对昆明和BALB/C小鼠强迫游泳实验的影响 被引量:10

Effects of different experimental conditions on Kunming and BALB/C mice in forced swimming test
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摘要 目的 研究不同实验条件对小鼠强迫游泳实验的影响,为研究小鼠抑郁模型的敏感性、有效性、可靠性提供可行的实验参考标准.方法 将不同性别,体质量相近的昆明小鼠和BALB/C小鼠,放置在相同的饲养、实验环境下,观察在不同水温、昼夜节律改变的环境下,不同品系间、同品系雌雄间小鼠强迫游泳行为的变化.结果 ①不同品系的小鼠在昼夜节律变化的强迫游泳试验中,白天不动时间有统计学差异,昆明小鼠的不动时间[(91.95±40.32)s]明显少于BALB/C小鼠的不动时间[(142.42±33.58)s];BALB/C小鼠白天的不动时间[(142.42±33.58)s]明显长于夜间的不动时间[(104.89±34.33)s].②BALB/C小鼠的阳性结果数明显多于昆明小鼠;同品系雌雄小鼠间的不动时间相差不大,但是雄性小鼠的阳性结果数明显多于雌性小鼠.③BALB/C小鼠在22C水温的不动时间[(92.24±25.81)s]明显长于其在32℃水温的不动时间[(60.72±11.11)s].结论 为增加强迫游泳实验的敏感性、可靠性应选择雄性小鼠宜在白天进行实验;BALB/C小鼠相对于昆明小鼠及其在22℃水温中更容易产生抑郁样行为. Objective To investigate the sensitivity and variability factors that were assessed on the forced swimming test (FST) using BALB/C and Kunming mice. Methods The immobility time of FST was compared using Kunming and BALB/C mice in different experimental conditions including circadian rhythm ( day and night) ,gender and water temperature ( 12,22 and 32℃ ) . Results (①) The immobility time of BALB/C during the daytime( ( 142.42 ± 33.58) s) was significantly increased than that at night ( ( 104.89 ± 34.33 ) s). (② The immobility time of Kunming mice( (91.95 ± 40.32) s) was significantly decreased than that of BALB/C mice ( ( 142.42 ± 33.58 ) s). (③)The immobility time under the water temperature of 22 C ( ( 92.24 ± 25.81 ) s) was significant longer than that under the water temperature of 32C ( (60.72 ± 11.11 ) s). Conclusion BALB/C stain,male mice,daytime and water temperature of 22℃ should be chosen in the FST.
出处 《中华行为医学与脑科学杂志》 CAS CSCD 北大核心 2011年第4期306-308,共3页 Chinese Journal of Behavioral Medicine and Brain Science
基金 基金项目:陕西省卫生厅卫生科学研究基金项目(08D20)
关键词 小鼠 强迫游泳实验 不动时间 节律 品系 性别 Mice Forced swimming test Immobility Circadian rhythm Strains Gender
作者简介 通信作者:党永辉,Email:psydyh@mail.xjtu.edu.cn.
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