Taste reactivity and Fos expression in GAD1-EGFP transgenic mice.

Taste reactivity and Fos expression in GAD1-EGFP transgenic mice.
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GAD1-EGFP 转基因小鼠的味觉反应性和 Fos 表达。

DOI:
10.1093/chemse/bjl038
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发表时间:
2007
期刊:
影响因子:
3.5
通讯作者:
Travers,SP
Travers,SP
中科院分区:
心理学4区
文献类型:
--
作者:
Travers,JB;Herman,K;Yoo,J;Travers,SP

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QHCl 引发的 Fos 样免疫反应性 (FLI) 的中心分布表明控制口腔排斥反应的脑干回路的位置。尽管许多物种对苦味刺激表现出口腔排斥反应,但与这种反应相关的 FLI 分布仅在大鼠中进行了研究。对于小鼠来说,Fos 数据很少,而小鼠是一个日益重要的物种,因为它在分子和转基因研究中的应用,并且味觉诱发的口部运动反应在这些啮齿动物中也没有得到完整的描述。我们在 FVB/NJ 小鼠和相关转基因品系 (FVB-Tg(GadGFP)4507) 中研究了这些问题,该转基因品系在含有 GAD1 的神经元子集中表达绿色荧光蛋白。 QHCl、蔗糖或通过口腔内插管输送的水产生的行为特征明显区分了 QHCl 和蔗糖。与大鼠相似,与其他刺激相比,QHCl 后孤核内侧三分之一表达 FLI 的神经元数量有所增加。在表达绿色荧光蛋白的小鼠中,GABA能神经元在孤核的腹侧半部有明显的分布。大约 15% 的表达 Fos 的孤立神经元是 GABA 能的,但这个比例并没有根据刺激而变化。
The central distribution of QHCl-elicited Fos-like immunoreactivity (FLI) suggests the location of a brain stem circuit that controls the oral rejection response. Although many species display an oral rejection response to bitter stimuli, the distribution of FLI associated with this response has been investigated only in rats. Fos data are minimal for the mouse, a species of increasing importance, due to its use in molecular and transgenic studies and taste-evoked oromotor responses are also only incompletely described in these rodents. We investigated these questions in FVB/NJ mice and a related transgenic strain (FVB-Tg(GadGFP)4507) that expresses green fluorescent protein in a subset of GAD1-containing neurons. QHCl, sucrose, or water delivered through intraoral cannulae yielded behavioral profiles that clearly differentiated QHCl from sucrose. Similar to rat, the number of neurons expressing FLI in the medial third of the solitary nucleus was elevated following QHCl compared with the other stimuli. In mice expressing green fluorescent protein, there was a pronounced distribution of GABAergic neurons in the ventral half of the solitary nucleus. Approximately 15% of solitary neurons expressing Fos were GABAergic, but this proportion did not differ according to stimulus.
小鼠苦味感知的遗传学
DOI: --
发表时间: 1994
影响因子: 2.9
作者:
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通讯作者: D. B. Harder
DOI: 10.1152/ajpregu.00590.2001
发表时间: 2002-06-01
影响因子: 2.8
作者:
Travers, SP
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DOI: 10.1152/ajpregu.1999.277.2.r384
发表时间: 1999-08-01
影响因子: 2.8
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发表时间: 1993
影响因子: 2.9
作者:
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DOI: --
发表时间: 2001
期刊: The Journal of pharmacology and experimental therapeutics
影响因子: --
作者:
Patel,S;Hillard,CJ
通讯作者: Hillard,CJ