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Oxytocin Prevents the Development of 3-NP-Induced Anxiety and Depression in Male and Female Rats: Possible Interaction of OXTR and mGluR2
Cellular and Molecular Neurobiology ( IF 3.6 ) Pub Date : 2020-11-17 , DOI: 10.1007/s10571-020-01003-0
Fariba Khodagholi 1 , Ali Maleki 1 , Fereshteh Motamedi 1 , Maryam Alsadat Mousavi 2 , Shahrbanoo Rafiei 2 , Mehdi Moslemi 2
Affiliation  

Huntington disease (HD) is a progressive neurological disorder with dominant motor symptoms. It also has psychiatric manifestations, like anxiety and depression, that can emerge themselves before motor symptoms and impose a major burden on patients. Oxytocin (OXT) is a newly emerged treatment for disorders like autism and schizophrenia and recently is using to alleviate depression and anxiety. In the current study, we investigated the behavioral and molecular effects of OXT on the development of anxiety and depression in 3-nitropropionic acid (3-NP)-induced model of HD. Anxiety- and depression-like behaviors as well as the levels of oxytocin receptor (OXTR), metabotropic glutamate receptor (mGluR) 2, mGluR5, and glutathione (GSH) were measured in striatum, hippocampus, prefrontal cortex, and amygdala. Also, we questioned if sex had any modulatory effect. We found that 3-NP increased anxiety and depression compared to controls. It also reduced the levels of OXTR and mGluR2, increased mGluR5, and reduced GSH in studied brain regions. Pretreatment with OXT before the injection of 3-NP ameliorated anxiety and depression. Additionally, it protected the brain from developing low levels of OXTR, mGluR2, and GSH and high levels of mGluR5 in studied regions. The protective effects of OXT were similar between male and female animals. These data suggest that OXTR, mGluR2, mGluR5, and GSH may contribute to psychiatric manifestations of HD. In addition, pretreatment with OXT could prevent the mood changes in male and female rats.



中文翻译:

催产素可防止雄性和雌性大鼠出现 3-NP 诱导的焦虑和抑郁:OXTR 和 mGluR2 的可能相互作用

亨廷顿病 (HD) 是一种以运动症状为主的进行性神经系统疾病。它还具有精神症状,例如焦虑和抑郁,这些症状可能在运动症状之前出现,并给患者带来重大负担。催产素 (OXT) 是一种新出现的治疗自闭症和精神分裂症等疾病的方法,最近用于缓解抑郁和焦虑。在目前的研究中,我们研究了 OXT 对 3-硝基丙酸 (3-NP) 诱导的 HD 模型中焦虑和抑郁发展的行为和分子影响。在纹状体、海马、前额叶皮层和杏仁核中测量焦虑和抑郁样行为以及催产素受体 (OXTR)、代谢型谷氨酸受体 (mGluR) 2、mGluR5 和谷胱甘肽 (GSH) 的水平。还,我们质疑性是否有任何调节作用。我们发现与对照组相比,3-NP 增加了焦虑和抑郁。它还降低了研究大脑区域中 OXTR 和 mGluR2 的水平,增加了 mGluR5,并减少了 GSH。在注射 3-NP 之前用 OXT 进行预处理可改善焦虑和抑郁。此外,它还保护大脑免于在研究区域中产生低水平的 OXTR、mGluR2 和 GSH 以及高水平的 mGluR5。OXT 的保护作用在雄性和雌性动物之间相似。这些数据表明 OXTR、mGluR2、mGluR5 和 GSH 可能导致 HD 的精神症状。此外,用OXT预处理可以防止雄性和雌性大鼠的情绪变化。在研究的大脑区域中增加了 mGluR5,并减少了 GSH。在注射 3-NP 之前用 OXT 进行预处理可改善焦虑和抑郁。此外,它还保护大脑免于在研究区域中产生低水平的 OXTR、mGluR2 和 GSH 以及高水平的 mGluR5。OXT 的保护作用在雄性和雌性动物之间相似。这些数据表明 OXTR、mGluR2、mGluR5 和 GSH 可能导致 HD 的精神症状。此外,用OXT预处理可以防止雄性和雌性大鼠的情绪变化。在研究的大脑区域中增加了 mGluR5,并减少了 GSH。在注射 3-NP 之前用 OXT 进行预处理可改善焦虑和抑郁。此外,它还保护大脑免于在研究区域中产生低水平的 OXTR、mGluR2 和 GSH 以及高水平的 mGluR5。OXT 的保护作用在雄性和雌性动物之间相似。这些数据表明 OXTR、mGluR2、mGluR5 和 GSH 可能导致 HD 的精神症状。此外,用OXT预处理可以防止雄性和雌性大鼠的情绪变化。OXT 的保护作用在雄性和雌性动物之间相似。这些数据表明 OXTR、mGluR2、mGluR5 和 GSH 可能导致 HD 的精神症状。此外,用OXT预处理可以防止雄性和雌性大鼠的情绪变化。OXT 的保护作用在雄性和雌性动物之间相似。这些数据表明 OXTR、mGluR2、mGluR5 和 GSH 可能导致 HD 的精神症状。此外,用OXT预处理可以防止雄性和雌性大鼠的情绪变化。

更新日期:2020-11-17
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