Distribution of type I corticotropin-releasing factor (CRF1) receptors on GABAergic neurons within the basolateral amygdala.

Distribution of type I corticotropin-releasing factor (CRF1) receptors on GABAergic neurons within the basolateral amygdala.
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DOI:
10.1002/syn.21953
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发表时间:
2017-04
期刊:
Synapse (New York, N.Y.)
影响因子:
--
通讯作者:
Bauer EP
Bauer EP
中科院分区:
其他
文献类型:
--
作者:
Calakos KC;Blackman D;Schulz AM;Bauer EP

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神经肽促肾上腺皮质激素释放因子(CRF)在介导对应激源的焦虑样反应中起着关键作用,CRF系统的功能障碍与几种精神疾病的病因有关。下丘脑外CRF还可以调节学习和记忆的形成,包括杏仁核依赖性学习。杏仁核(BLA)的基底外侧核含有密集浓度的CRF受体,但这些受体在BLA内的特定神经元亚型的分布尚未得到表征。在这里,我们量化了CRF受体在三种不重叠的GABA能中间神经元上的表达:含有钙结合蛋白小清蛋白(PV)的中间神经元和表达神经肽生长抑素(SOM)或胆囊收缩素(CCK)的中间神经元。虽然大多数PV+神经元和大约一半的CCK 1神经元表达CRF受体,但它们在SOM 1中间神经元上的表达程度要低得多。了解BLA内CRF受体的分布可以深入了解CRF系统的操作如何调节恐惧和焦虑样行为。
The neuropeptide corticotropin-releasing factor (CRF) plays a critical role in mediating anxiety-like responses to stressors, and dysfunction of the CRF system has been linked to the etiology of several psychiatric disorders. Extra-hypothalamic CRF can also modulate learning and memory formation, including amygdala-dependent learning. The basolateral nucleus of the amygdala (BLA) contains dense concentrations of CRF receptors, yet the distribution of these receptors on specific neuronal subtypes within the BLA has not been characterized. Here, we quantified the expression of CRF receptors on three nonoverlapping classes of GABAergic interneurons: those containing the calcium-binding protein parvalbumin (PV), and those expressing the neuropeptides somatostatin (SOM) or cholecystokinin (CCK). While the majority of PV+ neurons and roughly half of CCK1 neurons expressed CRF receptors, they were expressed to a much lesser extent on SOM1 inter-neurons. Knowledge of the distribution of CRF receptors within the BLA can provide insight into how manipulations of the CRF system modulate fear and anxiety-like behaviors.
DOI: 10.1152/jn.90769.2008
发表时间: 2009-07-01
影响因子: 2.5
作者:
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发表时间: 2011-10-26
期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子: --
作者:
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