学科分类
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1 个结果
  • 简介:1-(2,6-Dimethylphenoxy)-2-(3,4-dimethoxyphenylethylamino)-propanehydrochloride(DDPH)isanovelantihypertensiveagentbasedonstructuralcharacteristicsofmexiletineandverapamine.WeinvestigatedtheeffectofDDPHonvasodilatationandneuroprotectioninaratmodelofcerebralischemiainvivo,andarabbitmodelofisolatedbasilararteriesinvitro.OurresultsshowthatDDPH(10mg/kg)significantlyincreasedhippocampalbloodflowinvivoincerebralischemicrats,andexerteddose-dependentrelaxationofisolatedbasilararteriescontractedbyhistamineorKClintheinvitrorabbitmodel.DDPH(3×10–5M)alsoinhibitedhistamine-stimulatedextracellularcalciuminfluxandintracellularcalciumrelease.OurfindingssuggestthatDDPHhasavasodilativeeffectbothinvivoandinvitro,whichmediatesaneuroprotectiveeffectonischemicnervetissue.

  • 标签: 神经保护作用 DDPH 基底动脉 脑缺血 体外 体内