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时间:2019-05-13
《甲泼尼龙和地塞米松治疗大鼠液压冲击脑损伤的对比研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、成医学院学报2o1lMarJournalofChengduMedicaiiCollege⋯6(1)52doi:10.3969/j.issn.1674—2257.2011.01.013·论著·甲泼尼龙和地塞米松治疗大鼠液压冲击脑损伤的对比研究张兴光,季泰令¨,王目纲(1.潍坊医学院附属医院神经外科,山东潍坊261031;2.河北医科大学第二医院神经外科,河北石家庄050000)【摘要】目的研究甲泼尼龙琥珀酸钠和地塞米松在成年大鼠液压冲击脑损伤中的疗效比较。方法将29只SD大鼠随机分为两组,A创伤组(n一9)和B治疗组(n一20),B组又分为B1甲泼尼龙琥珀酸钠组(n—IO)和B2地塞
2、米松组(n一10)。利用液压冲击脑损伤装置建立液压冲击脑损伤模型,A组损伤后不给予特殊处理。B组于损伤1h、12h及24h分别腹腔注射甲泼尼龙琥珀酸钠和地塞米松。伤后72h干湿重法测定脑组织水含量,机械法制备单细胞悬液并用流式细胞术检测CD11b平均荧光强度。结果B组脑组织含水量降低,而且B2高于B1组(P3、52—03ComparisonofmethylprednisoloneanddexamethasoneintreatmentoffluidpercussionbrainiuryinratsZHANGXing—guang。JTai—ling,WANGMu—gang。(1.DepartmentofNeurosurgery,AffiliatedHospitalofWeingMedicalCollege,Wei。ng,Shandong261031,China;2.DepartmentofNeurosurgery,TheSecondHospitalofHebeiMedicalUniversi4、ty,Shijiazhuang,Hebei050000,China)[Abstract]ObjectiveTocomparetheeffectofmethylpredniso1onesodiumsuccinate(MPSS)anddexametha—soneintreatingfluidpercussionbraininjuryinadultrats.Methodstwenty-nineadultsprague-dawleyratswereran—domtydividedintogroupA(trauma。n一9)andgroupB(n一20),whichwassubdivided5、intoB1(n一1O)andB2(n一1OJwhichMPSSordexamethasonewasgiven1,12and24hrafterfluidpercussionbraininjury.Thecerebralinjuryofallratswasestablishedbythefluidpercussionmethod.Brainwatercontent72hrafterbraininjurywasdeterminedbythewetanddryweighingmethod.Singlecellsuspensionwaspreparedwithmechanicalmetho6、d.Theflorescentin—tensitiesforCD1lbwereanalyzedbyflowcytometry.ResultsAsfarasbrainwatercontentandtheflorescentintensi—tiesofCD1lb。groupAwassignificantlyhigherthangroupsB(P%0.05),andgroupB2washigherthangroupB1fPd0.05).ConclusionMPSSismoreeffectivethandexamethasoneinsuppressingcerebraledemaandov7、er-activationofmicroglia/macrophages.[Keywords]dexamethasone;methy1prednisolone;brainiNury许多证据表明脑损伤伴随着以巨噬细胞浸润和素。我们通过液压冲击伤复制大鼠创伤性脑损伤小胶质细胞(microglia,MG)激活为明显特征的炎(traumaticbraininjury,TBI)模型,对比研究了大症反应[1]。糖皮质激素可以通过抑制MG/巨噬细剂量MPSS和DXM对大鼠损伤后脑水
3、52—03ComparisonofmethylprednisoloneanddexamethasoneintreatmentoffluidpercussionbrainiuryinratsZHANGXing—guang。JTai—ling,WANGMu—gang。(1.DepartmentofNeurosurgery,AffiliatedHospitalofWeingMedicalCollege,Wei。ng,Shandong261031,China;2.DepartmentofNeurosurgery,TheSecondHospitalofHebeiMedicalUniversi
4、ty,Shijiazhuang,Hebei050000,China)[Abstract]ObjectiveTocomparetheeffectofmethylpredniso1onesodiumsuccinate(MPSS)anddexametha—soneintreatingfluidpercussionbraininjuryinadultrats.Methodstwenty-nineadultsprague-dawleyratswereran—domtydividedintogroupA(trauma。n一9)andgroupB(n一20),whichwassubdivided
5、intoB1(n一1O)andB2(n一1OJwhichMPSSordexamethasonewasgiven1,12and24hrafterfluidpercussionbraininjury.Thecerebralinjuryofallratswasestablishedbythefluidpercussionmethod.Brainwatercontent72hrafterbraininjurywasdeterminedbythewetanddryweighingmethod.Singlecellsuspensionwaspreparedwithmechanicalmetho
6、d.Theflorescentin—tensitiesforCD1lbwereanalyzedbyflowcytometry.ResultsAsfarasbrainwatercontentandtheflorescentintensi—tiesofCD1lb。groupAwassignificantlyhigherthangroupsB(P%0.05),andgroupB2washigherthangroupB1fPd0.05).ConclusionMPSSismoreeffectivethandexamethasoneinsuppressingcerebraledemaandov
7、er-activationofmicroglia/macrophages.[Keywords]dexamethasone;methy1prednisolone;brainiNury许多证据表明脑损伤伴随着以巨噬细胞浸润和素。我们通过液压冲击伤复制大鼠创伤性脑损伤小胶质细胞(microglia,MG)激活为明显特征的炎(traumaticbraininjury,TBI)模型,对比研究了大症反应[1]。糖皮质激素可以通过抑制MG/巨噬细剂量MPSS和DXM对大鼠损伤后脑水
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