目的：研究抑郁症发病中GABA及谷氨酸囊泡转运蛋白表达的变化。方法小鼠随机分为对照组和造模组，使用社会失败模型对对照组小鼠造模，之后将其分为对抑郁症敏感组及对抑郁症不敏感组。将3组小鼠分别提取突触蛋白，并使用Western blot检测VGAT及VGLUT1表达丰度。结果对抑郁症敏感组小鼠与对照组小鼠相比，在接触区域的停留时间显著降低，且在角落区域的停留时间显著增加，差异有统计学意义（P＜0．05）；在前额叶皮层、海马中和对照组与对抑郁症不敏感组比较，对抑郁症敏感组VGLUT1及VGAT的表达水平显著增加，差异有统计学意义（P＜0．05）。对抑郁症不敏感组与对照组相比其VGAT及VGLUT1水平的表达差异均无统计学意义（P＞0．05）。在纹状体，虽然对抑郁症敏感组的小鼠VGAT及VGLUT1的表达水平均有增加（P＜0．05），但是对抑郁症不敏感的小鼠这些蛋白表达也显著增加。结论在抑郁症发病中前额叶皮层及海马兴奋性与抑制性囊泡转运异常，这可能与抑郁症神经递质紊乱有关。%Objective To study the expression of vesicular GABA transporter and vesicular glutamate transporter 1 in de‐pression .Methods Mice was divided into control group and defeat group stochastically .By social defeat model and social avoidance , the defeat group was divided into two groups:susceptible group and unsusceptible group .Synaptic proteins were extracted respec‐tively from the 3 groups .We detected the expression abundance of VGAT and VGLUT1 by Western blot .Results Compared with the control group ,in susceptible group ,the residence time in the contact area was significantly reduced ,and the residence time in the corner area was significantly increased ,with statistical difference(P<0 .05) .In the prefrontal cortex and hippocampus ,Com‐pared with the control group and the unsusceptible group ,the expression levels of VGLUT1 and VGAT were increased in the sus‐ceptible group(P<0 .05) .there were no statistically significant in VGLUT1 and VGAT leveles between control group and the un‐susceptible group(P>0 .05) .In the striatum ,although the expression levels of VGAT and VGLUT1 were increased in susceptible group ,but in unsusceptible group ,the expression of these proteins also increased significantly .Conclusion The prefrontal cortex and hippo‐campus excitability and inhibitory vesicle transport were changed in depression ,which may relate to the transcription disorder .
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