Deletion of the GABA(A) receptor beta 3 subunit eliminates the hypnotic actions of oleamide in mice.

Deletion of the GABA(A) receptor beta 3 subunit eliminates the hypnotic actions of oleamide in mice.
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GABA(A) 受体 β 3 亚基的缺失会消除油酰胺对小鼠的催眠作用。

DOI:
10.1097/00001756-200112210-00056
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发表时间:
2001
期刊:
影响因子:
1.7
通讯作者:
Mendelson,WB
Mendelson,WB
中科院分区:
医学4区
文献类型:
--
作者:
Laposky,AD;Homanics,GE;Basile,A;Mendelson,WB

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油酰胺 (OA) 是一种内源性不饱和脂肪酸酰胺,已证明对啮齿动物具有促进睡眠的作用。 OA 的睡眠增强作用可能是通过与 GABA 能、血清素能或大麻能受体系统的相互作用来介导的。在这项研究中,我们通过给 GABA A 受体 β3 亚基 (Gabarb3−/−) 发生靶向突变的小鼠注射 OA,研究了 OA 与 GABA A 受体之间可能的相互作用。外周给予 OA 显着降低了野生型 (Gabarb3+/+) 小鼠的睡眠潜伏期和觉醒时间,同时增加了非快速眼动和总睡眠时间。 OA 对 Gabarb3−/− 小鼠没有任何睡眠觉醒效应。在 24 小时基线记录中,没有观察到 Gabarb3−/− 和 Gabarb3+/+ 小鼠之间的差异,这表明 Gabarb3−/− 动物对 OA 缺乏药理反应并不是继发于生理破坏。睡觉。因此,OA 发挥睡眠作用的机制之一可能是通过与含有 β3 亚基的 GABA A 受体相互作用。
Oleamide (OA) is an endogenous unsaturated fatty acid amide with demonstrated sleep promoting effects in rodents. The sleep enhancing actions of OA may be mediated through interactions with the GABAergic, serotonergic or cannabinergic receptor systems. In this study, we investigated the possible interaction of OA with the GABA A receptor by administering OA to mice with a targeted mutation of the GABA A receptor β3 subunit (Gabarb3−/−). Peripherally administered OA significantly decreased sleep latency and wake time, while it increased non-rapid eye movement and total sleep times in wild-type (Gabarb3+/+) mice. OA failed to have any sleep-wake effect in Gabarb3−/− mice. On 24 h baseline recordings, no differences between Gabarb3−/− and Gabarb3+/+ mice were observed, indicating that the lack of a pharmacological response to OA in the Gabarb3−/− animals was not secondary to disruptions in physiological. sleep. Therefore, one mechanism by which OA exerts its sleep effects may be through interactions with GABA A receptors containing the β3 subunit.
DOI: 10.1016/s0028-3908(98)00208-1
发表时间: 1999-04-01
期刊: NEUROPHARMACOLOGY
影响因子: 4.7
作者:
Cheer, JF;Cadogan, AK;Kendall, DA
通讯作者: Kendall, DA
DOI: 10.1097/00001756-199904060-00010
发表时间: 1999-04-06
期刊: NEUROREPORT
影响因子: 1.7
作者:
Basile, AS;Hanus, L;Mendelson, WB
通讯作者: Mendelson, WB
DOI: 10.1126/science.1470919
发表时间: 1992-12-18
期刊: SCIENCE
影响因子: 56.9
作者:
DEVANE, WA;HANUS, L;MECHOULAM, R
通讯作者: MECHOULAM, R
DOI: 10.1073/pnas.93.15.8078
发表时间: 1996-07-23
影响因子: 11.1
作者:
HuidobroToro, JP;Harris, RA
通讯作者: Harris, RA