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Consequences of changes in BDNF levels on serotonin neurotransmission, 5-HT transporter expression and function: Studies in adult mice hippocampus.

机译:BDNF水平变化对血清素神经传递,5-HT转运蛋白表达和功能的影响:对成年小鼠海马的研究。

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摘要

In vivo intracerebral microdialysis is an important neurochemical technique that has been applied extensively in genetic and pharmacological studies aimed at investigating the relationship between neurotransmitters. Among the main interests of microdialysis application is the infusion of drugs through the microdialysis probe (reverse dialysis) in awake, freely moving animals. As an example of the relevance of intracerebral microdialysis, this review will focus on our recent neurochemical results showing the impact of Brain-Derived Neurotrophic Factor (BDNF) on serotonergic neurotransmission in basal and stimulated conditions. Indeed, although the elevation of 5-HT outflow induced by chronic administration of selective serotonin reuptake inhibitors (SSRIs) causes an increase in BDNF protein levels and expression (mRNA) in the hippocampus of rodents, the reciprocal interaction has not been demonstrated yet. Thus, the neurochemical sight of this question will be addressed here by examining the consequences of either a constitutive decrease or increase in brain BDNF protein levels on hippocampal extracellular levels of 5-HT in conscious mice.
机译:体内脑内微透析是一种重要的神经化学技术,已广泛用于旨在研究神经递质之间关系的遗传和药理研究中。微透析应用的主要兴趣之一是通过微透析探针(逆透析)将药物注入清醒,自由活动的动物中。作为脑内微透析相关性的一个例子,本文将重点关注我们最近的神经化学结果,该结果显示在基础和刺激条件下脑源性神经营养因子(BDNF)对血清素能神经传递的影响。确实,尽管长期施用选择性5-羟色胺再摄取抑制剂(SSRIs)引起的5-HT外流升高导致了啮齿类动物海马中BDNF蛋白水平和表达(mRNA)的增加,但尚未证明相互之间的相互作用。因此,这里将通过检查大脑BDNF蛋白水平的组成性降低或升高对有意识小鼠海马5-HT含量的影响来解决这个问题的神经化学视力。

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