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Cross-fostering alleviates depression-like behavior mediated by EAAT2 and SNARE complex in prenatal stress offspring rat
Pharmacology Biochemistry and Behavior ( IF 3.6 ) Pub Date : 2021-09-04 , DOI: 10.1016/j.pbb.2021.173269
Caixia Feng 1 , Yating Ren 1 , Jiahao Zhou 1 , Yankai Dong 1 , Xing Xue 1 , Hengyu Ma 1 , Zhifei Wang 1 , Ge Li 1 , Hui Wang 2 , Hui Li 3 , Longshan Xie 4 , Zhongliang Zhu 1
Affiliation  

Previous studies have shown that prenatal stress (PS) can potentially contribute to depression-like behavior in offspring and that this effect may be moderated by cross-fostering. However, the underlying mechanism of this effect remains to be determined. This study aimed to determine the effect of cross-fostering on the expression of EAAT2 and the SNARE complex in the hippocampus and the prefrontal cortex of PS offspring rats and to demonstrate functional effects on depression-like behavior. The impacts of cross-fostering were functionally assessed using the sucrose preference test (SPT), the forced swimming test (FST) and the elevated plus maze (EPM). Quantitative real-time PCR was used to determine changes in the expression of EAAT2 and SNAREs mRNA in the hippocampus and the prefrontal cortex of offspring rats. PS offspring rats showed significantly decreased sucrose preference and prolonged immobility time, while cross-fostering effectively increased sucrose preference and shorten the time of immobility. The expression of EAAT2 mRNA in PS offspring rats was markedly reduced, whilst the core mRNA expression of the SNARE complex increased. Our results provide strong evidence demonstrating that cross-fostering can alleviate depression-like behavior and regulate the abnormal expression levels of EAAT2 mRNA and SNARE complex in the hippocampus and the prefrontal cortex of PS offspring rats. Our findings contribute to further understanding of the pathogenesis of PS-induced depression and may help to inform the future development of novel treatment approaches.



中文翻译:

交叉培养减轻产前应激子代大鼠 EAAT2 和 SNARE 复合物介导的抑郁样行为

先前的研究表明,产前压力 (PS) 可能会导致后代出现抑郁样行为,并且这种影响可能会通过交叉抚养来缓和。然而,这种影响的潜在机制仍有待确定。本研究旨在确定交叉培养对 PS 后代大鼠海马和前额叶皮层 EAAT2 和 SNARE 复合物表达的影响,并证明对抑郁样行为的功能影响。使用蔗糖偏好测试(SPT)、强迫游泳测试(FST)和高架十字迷宫(EPM)对交叉培养的影响进行功能评估。采用实时定量 PCR 方法测定子代大鼠海马和前额叶皮层 EAAT2 和 SNAREs mRNA 表达的变化。PS后代大鼠对蔗糖的偏好显着降低,不动时间延长,而交叉养育有效地增加了对蔗糖的偏好,缩短了不动时间。PS后代大鼠中EAAT2 mRNA的表达显着降低,而SNARE复合物的核心mRNA表达增加。我们的研究结果提供了强有力的证据,证明交叉培养可以缓解抑郁样行为并调节 PS 后代大鼠海马和前额叶皮层中 EAAT2 mRNA 和 SNARE 复合物的异常表达水平。我们的研究结果有助于进一步了解 PS 诱导的抑郁症的发病机制,并可能有助于为新治疗方法的未来发展提供信息。而交叉培养有效增加了对蔗糖的偏好,缩短了不动的时间。PS后代大鼠中EAAT2 mRNA的表达显着降低,而SNARE复合物的核心mRNA表达增加。我们的研究结果提供了强有力的证据,证明交叉培养可以缓解抑郁样行为并调节 PS 后代大鼠海马和前额叶皮层中 EAAT2 mRNA 和 SNARE 复合物的异常表达水平。我们的研究结果有助于进一步了解 PS 诱导的抑郁症的发病机制,并可能有助于为新治疗方法的未来发展提供信息。而交叉培养有效增加了对蔗糖的偏好,缩短了不动的时间。PS后代大鼠中EAAT2 mRNA的表达显着降低,而SNARE复合物的核心mRNA表达增加。我们的研究结果提供了强有力的证据,证明交叉培养可以缓解抑郁样行为并调节 PS 后代大鼠海马和前额叶皮层中 EAAT2 mRNA 和 SNARE 复合物的异常表达水平。我们的研究结果有助于进一步了解 PS 诱导的抑郁症的发病机制,并可能有助于为新治疗方法的未来发展提供信息。我们的研究结果提供了强有力的证据,证明交叉培养可以缓解抑郁样行为并调节 PS 后代大鼠海马和前额叶皮层中 EAAT2 mRNA 和 SNARE 复合物的异常表达水平。我们的研究结果有助于进一步了解 PS 诱导的抑郁症的发病机制,并可能有助于为新治疗方法的未来发展提供信息。我们的研究结果提供了强有力的证据,证明交叉培养可以缓解抑郁样行为并调节 PS 后代大鼠海马和前额叶皮层中 EAAT2 mRNA 和 SNARE 复合物的异常表达水平。我们的研究结果有助于进一步了解 PS 诱导的抑郁症的发病机制,并可能有助于为新治疗方法的未来发展提供信息。

更新日期:2021-09-09
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