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小丸丸9

铁虫 (正式写手)

[求助] 文献题目和摘要翻译,求助,看了半天看不懂

题目 Cellular and Subcellular Sites for
Noradrenergic Action in the Monkey
Dorsolateral Prefrontal Cortex as Revealed
by the Immunocytochemical Localization
of Noradrenergic Receptors and Axons
摘要 A series of electron microscopic immunocytochemical studies was
performed to analyze subcellular sites for noradrenergic modulation
in monkey prefrontal cortex. One out of 12 noradrenergic
varicosities, identified by dopamine b-hydroxylase immunocytochemistry
within single ultrathin sections, forms morphologically
identifiable junctions with small dendrites and spines. Accordingly,
a2-adrenergic receptors, almost all of which are of the A-subtype,
that occur in spines are localized discretely over postsynaptic
membranes. a2-Adrenergic receptors are also found at sites along
axons, dendritic shafts and astrocytic processes lacking morphologically
identifiable synaptic junctions, suggesting that these
receptors are activated by volume transmission. In particular, axonal
a2-adrenergic receptors occur mostly at pre-terminal regions,
suggesting that axo-axonic interactions may mediate reduction of
neurotransmitter release at sites other than axo-spinous junctions
by closing voltage-dependent calcium channels. These results
indicate that noradrenergic modulation of prefrontal cortex involves
synaptic interactions at spines of pyramidal neurons and nonsynaptic
volume transmission to glia, dendritic shafts and axons.

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蹉跎岁月

木虫 (正式写手)

【答案】应助回帖

引用回帖:
2楼: Originally posted by ssssllllnnnn at 2014-08-13 22:28:18
用猴背外侧前额叶皮层去甲肾上腺素能受体和轴突的免疫细胞化学定位确立去甲肾上腺素的细胞和亚细胞作用位点

摘要:
用一系列电子显微镜免疫细胞化学研究,分析了猴前额叶皮质去甲肾上腺素能调制的亚细胞位点。采 ...

二楼是大神啊,这得是多大是大神啊
年轻就是折腾
3楼2014-08-13 23:02:22
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ssssllllnnnn

至尊木虫 (知名作家)

Translator and Proofreader


【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
真强必胜: 金币+5, 谢谢 2014-08-14 07:59:53
小丸丸9: 金币+10, 翻译EPI+1, ★★★★★最佳答案, 太感谢你了!另外想请教大牛,如何才能修炼到您这种翻译水平!菜鸟经常碰到不会翻译的词句,有时候网上也查不到。该怎么办? 2014-08-14 10:01:19
用猴背外侧前额叶皮层去甲肾上腺素能受体和轴突的免疫细胞化学定位确立去甲肾上腺素的细胞和亚细胞作用位点

摘要:
用一系列电子显微镜免疫细胞化学研究,分析了猴前额叶皮质去甲肾上腺素能调制的亚细胞位点。采用多巴胺β-羟化酶免疫细胞化学发现,在单一的超薄切片内每12个去甲肾上腺素能膨体中就有一个和小的树突棘形成在形态上可见的接头。与此相应,α2 - 肾上腺素能受体几乎都属于A亚型,在神经嵴都散在分布于突触后膜。此外,α2-肾上腺素能受体也存在于沿着轴突、树突状轴和星形细胞过程缺乏形态上可见的突触接头等位点,表明这些受体是通过容积传递方式激活的。特别是,轴突部位的α2-肾上腺素能受体主要存在与前突触区域,提示除了在轴突-棘突接头之外,可以通过轴突与轴突间的相互作用,关闭电压依赖性钙通道,使神经递质释放的减少。这些结果表明,去甲肾上腺素对前额叶皮层的调制作用包括在锥体神经元之神经嵴部位的突触间相互作用和对神经胶质细胞、树突状轴、以及轴突的非突触性容积传递。
2楼2014-08-13 22:28:18
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