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原代外植体作为下丘脑原位模型。

Primary explants as a model of the hypothalamus in situ.

作者信息

Baldino F, Higgins G A, Moke M T, Wolfson B

出版信息

Peptides. 1985 Mar-Apr;6(2):249-56. doi: 10.1016/0196-9781(85)90048-8.

DOI:10.1016/0196-9781(85)90048-8
PMID:2863812
Abstract

Anatomical and electrophysiological studies with neurotensin and somatostatin were performed to assess the integrity of primary explants of the preoptic anterior hypothalamus (POAH) maintained in organ culture as a model to study peptidergic neurons in vitro. POAH neurons maintained in vitro were found to be morphologically similar to those visualized histologically in situ. Somatostatin- and neurotensin-immunoreactive neurons were also present in both preparations. Additionally, electrophysiological responses of neurons in vitro to neurotensin and somatostatin were qualitatively similar to neuronal responses in situ. The striking morphological and pharmacological similarity between POAH neurons in vitro and in situ suggests that primary explants of the POAH are organotypic.

摘要

利用神经降压素和生长抑素进行了解剖学和电生理学研究,以评估视前区下丘脑前部(POAH)原代外植体在器官培养中的完整性,该外植体作为体外研究肽能神经元的模型。发现体外培养的POAH神经元在形态上与原位组织学观察到的神经元相似。生长抑素和神经降压素免疫反应性神经元在两种制剂中均有存在。此外,体外培养的神经元对神经降压素和生长抑素的电生理反应在性质上与原位神经元反应相似。体外和原位POAH神经元之间显著的形态学和药理学相似性表明,POAH原代外植体是器官型的。

相似文献

1
Primary explants as a model of the hypothalamus in situ.原代外植体作为下丘脑原位模型。
Peptides. 1985 Mar-Apr;6(2):249-56. doi: 10.1016/0196-9781(85)90048-8.
2
Actions and interactions of neurotensin on preoptic anterior hypothalamic neurons in vitro.神经降压素对体外视前区下丘脑前部神经元的作用及相互作用
Prog Clin Biol Res. 1985;192:409-21.
3
Postsynaptic actions of neurotensin on preoptic-anterior hypothalamic neurons in vitro.神经降压素对体外视前区-下丘脑前部神经元的突触后作用。
Brain Res. 1985 Jan 28;325(1-2):161-70. doi: 10.1016/0006-8993(85)90312-9.
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Structure-activity studies with carboxy- and amino-terminal fragments of neurotensin on hypothalamic neurons in vitro.神经降压素羧基末端和氨基末端片段对体外下丘脑神经元的构效关系研究。
Brain Res. 1985 Sep 9;342(2):266-72. doi: 10.1016/0006-8993(85)91125-4.
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Responses of preoptic thermosensitive neurons to poikilothermia-inducing peptides--bombesin and neurotensin.视前区热敏神经元对致变温肽——蛙皮素和神经降压素的反应。
Pflugers Arch. 1986 Nov;407(5):558-60. doi: 10.1007/BF00657516.
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Temperature sensitivity of the preoptic and anterior hypothalamic neurons in organ culture.
Tohoku J Exp Med. 1982 Jan;136(1):79-87. doi: 10.1620/tjem.136.79.
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Effects of electrical stimulation of ventral septal area on firing rates of pyrogen-treated thermosensitive neurons in preoptic anterior hypothalamus from rabbits.电刺激家兔腹侧隔区对致热原处理的视前区-下丘脑前部热敏神经元放电频率的影响。
Life Sci. 2007 Jan 9;80(5):408-13. doi: 10.1016/j.lfs.2006.09.021. Epub 2006 Sep 30.
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Localization of oestrogen receptors in preoptic neurons containing neurotensin but not tyrosine hydroxylase, cholecystokinin or luteinizing hormone-releasing hormone in the male and female rat.雄性和雌性大鼠中,雌激素受体在视前区含有神经降压素但不含有酪氨酸羟化酶、胆囊收缩素或促黄体生成素释放激素的神经元中的定位。
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Multimodal responses of preoptic and anterior hypothalamic neurons to thermal and nonthermal homeostatic parameters.视前区和下丘脑前部神经元对热和非热稳态参数的多模态反应。
Can J Physiol Pharmacol. 1987 Jun;65(6):1290-8. doi: 10.1139/y87-205.
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Dynamic response of preoptic and hypothalamic neurons to scrotal thermal stimulation in rats.大鼠视前区和下丘脑神经元对阴囊热刺激的动态反应。
Pflugers Arch. 1983 Jan;396(1):23-6. doi: 10.1007/BF00584693.

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Electrophysiological characteristics of neurons in neocortical explant cultures.新皮层外植体培养中神经元的电生理特性
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