Pretreatment with a novel aquaporin 4 inhibitor, TGN-020, significantly reduces ischemic cerebral edema.

Pretreatment with a novel aquaporin 4 inhibitor, TGN-020, significantly reduces ischemic cerebral edema.
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DOI:
10.1007/s10072-010-0431-1
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发表时间:
2011-02
影响因子:
3.3
通讯作者:
Nakada, Tsutomu
Nakada, Tsutomu
中科院分区:
医学4区
文献类型:
--
作者:
Igarashi, Hironaka;Huber, Vincent J.;Tsujita, Mika;Nakada, Tsutomu

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我们利用7.0 - T磁共振成像(MRI)在局灶性脑缺血小鼠模型中研究了一种新型水通道蛋白4(AQP4)抑制剂2 -(烟酰胺)- 1,3,4 - 噻二唑(TGN - 020)的体内效应。用TGN - 020预处理显著减轻了与脑缺血相关的脑水肿,这通过脑肿胀体积百分比(%BSV)体现出来,治疗组为12.1 ± 6.3%,而对照组为(20.8 ± 5.9%)(p < 0.05);并且通过大脑半球病变体积百分比(%HLV)体现出皮质梗死面积减小,治疗组为20.0 ± 7.6%,而对照组为30.0 ± 9.1%(p < 0.05)。该研究表明抑制AQP4在减轻局灶性缺血相关脑水肿方面具有潜在的药理学用途。
We investigated the in vivo effects of a novel aquaporin 4 (AQP4) inhibitor 2-(nicotinamide)-1,3,4-thiadiazole, TGN-020, in a mouse model of focal cerebral ischemia using 7.0-T magnetic resonance imaging (MRI). Pretreatment with TGN-020 significantly reduced brain edema associated with brain ischemia, as reflected by percentage of brain swelling volume (%BSV), 12.1 ± 6.3% in the treated group, compared to (20.8 ± 5.9%) in the control group (p < 0.05), and in the size of cortical infarction as reflected by the percentage of hemispheric lesion volume (%HLV), 20.0 ± 7.6% in the treated group, compared to 30.0 ± 9.1% in the control group (p < 0.05). The study indicated the potential pharmacological use of AQP4 inhibition in reducing brain edema associated with focal ischemia.
DOI: 10.1038/72256
发表时间: 2000-02-01
期刊: NATURE MEDICINE
影响因子: 82.9
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