Neuroprotective effects of combined application of JAK-STAT signal pathway inhibitor and free radical scavenger on focal cerebral ischemia/reperfusion injury in rats

OBJECTIVE: To investigate the neuroprotective effects and dose-response relation by combining JAK-STAT signal pathway inhibitor (AG490) with free radical scavenger dimethylthiourea (DMTU) in rats subjected to focal cerebral ischemia/reperfusion (I/R) injury

Bibliographische Detailangaben
Veröffentlicht in:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 20(2008), 11 vom: 11. Nov., Seite 641-4
1. Verfasser: Yang, Qian-zi (VerfasserIn)
Weitere Verfasser: Lei, Chong, Lu, Zhi-hong, Wang, Bai-ren, Xiong, Li-ze
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Enzyme Inhibitors Free Radical Scavengers Neuroprotective Agents Tyrphostins alpha-cyano-(3,4-dihydroxy)-N-benzylcinnamide 1,3-dimethylthiourea 8P30PMD17W Thiourea GYV9AM2QAG
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100 1 |a Yang, Qian-zi  |e verfasserin  |4 aut 
245 1 0 |a Neuroprotective effects of combined application of JAK-STAT signal pathway inhibitor and free radical scavenger on focal cerebral ischemia/reperfusion injury in rats 
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500 |a Date Completed 09.03.2010 
500 |a Date Revised 24.11.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the neuroprotective effects and dose-response relation by combining JAK-STAT signal pathway inhibitor (AG490) with free radical scavenger dimethylthiourea (DMTU) in rats subjected to focal cerebral ischemia/reperfusion (I/R) injury 
520 |a METHODS: In all rats, the middle cerebral artery occlusion (MCAO) was produced by occlusion of right internal carotid artery with a nylon monofilament. One hundred male Sprague-Dawley (SD) rats were divided into ten groups according to random digits table, 10 rats were in each group. The first experiment involved I/R model control, dimethyl sulfoxide (DMSO) control, normal saline (NS) control, AG490, DMTU and combination of AG490 and DMTU (A+D) groups. The second experiment involved model group and three experimental groups in which various doses of DMTU and AG490 were administered. The neurological behavior scores (NBS) were assessed at 24, 48 and 72 hours after reperfusion respectively in both experiments, and all the animals were then decapitated to determine the brain infarct volume after 72 hours 
520 |a RESULTS: The values of NBS in A+D group, AG490 group and DMTU group were higher than those in model group at 24, 48 and 72 hours after I/R, and their brain infarct volumes were obviously smaller than model group as well (all P<0.05). The brain infarct volume in A+D group was obviously smaller compared with AG490 and DMTU alone (all P<0.05). The values of NBS were higher and the brain infarct volumes were smaller in both high dose and medium dose combination groups than those in low dose combination and model groups respectively (all P<0.05). In addition, brain infarct volumes in high dose group were smaller than medium dose group (P<0.05), but there was no statistically significant difference between low dose and model groups 
520 |a CONCLUSION: The combined application of AG490 and DMTU produces a dose-dependent synergistic neuroprotective effect 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Enzyme Inhibitors  |2 NLM 
650 7 |a Free Radical Scavengers  |2 NLM 
650 7 |a Neuroprotective Agents  |2 NLM 
650 7 |a Tyrphostins  |2 NLM 
650 7 |a alpha-cyano-(3,4-dihydroxy)-N-benzylcinnamide  |2 NLM 
650 7 |a 1,3-dimethylthiourea  |2 NLM 
650 7 |a 8P30PMD17W  |2 NLM 
650 7 |a Thiourea  |2 NLM 
650 7 |a GYV9AM2QAG  |2 NLM 
700 1 |a Lei, Chong  |e verfasserin  |4 aut 
700 1 |a Lu, Zhi-hong  |e verfasserin  |4 aut 
700 1 |a Wang, Bai-ren  |e verfasserin  |4 aut 
700 1 |a Xiong, Li-ze  |e verfasserin  |4 aut 
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