Fear conditioning, synaptic plasticity and the amygdala: implications for posttraumatic stress disorder.

Fear conditioning, synaptic plasticity and the amygdala: implications for posttraumatic stress disorder.
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DOI:
10.1016/j.tins.2011.06.007
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发表时间:
2012-01
影响因子:
15.9
通讯作者:
Ressler, Kerry J.
Ressler, Kerry J.
中科院分区:
医学1区
文献类型:
--
作者:
Mahan, Amy L.;Ressler, Kerry J.

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创伤后应激障碍(PTSD)是一种焦虑症,可以在家庭暴力,自然灾害或战斗相关创伤等创伤经历后发展。这种疾病对社会和个人的代价可能是巨大的。在这篇文章中,我们将审查如何在人类创伤后应激障碍牵连的神经回路与恐惧的神经回路。然后,我们讨论了恐惧条件反射是一个合适的模型,用于研究的恐惧组件的分子机制,PTSD的基础,和恐惧条件反射的生物学,特别关注脑源性神经营养因子(BDNF)-TrkB,GABA能和谷氨酸能配体受体系统。然后,我们总结了这些方法如何有助于我们了解PTSD和其他应激相关疾病,并为治疗PTSD的新药理学途径提供见解。
Posttraumatic stress disorder (PTSD) is an anxiety disorder that can develop after a traumatic experience such as domestic violence, natural disasters or combat-related trauma. The cost of such disorders on society and the individual can be tremendous. In this article we will review how the neural circuitry implicated in PTSD in humans is related to the neural circuitry of fear. We then discuss how fear conditioning is a suitable model for studying the molecular mechanisms of the fear components which underlie PTSD, and the biology of fear conditioning with a particular focus on the brain derived neurotropic factor (BDNF)-TrkB, GABAergic and glutamatergic ligand-receptor systems. We then summarize how such approaches may help to inform our understanding of PTSD and other stress-related disorders and provide insight to new pharmacological avenues of treatment of PTSD.
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