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时间:2018-09-15
《软骨素酶abc促进大鼠脊髓损伤后轴突再生和功能恢复的初步研究》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、万方数据成耋医ng学due院dicalJoumaofChengduMedica学Colle报ge2009Sep,4(3)l⋯7“¨”“187doi:10.3969/j.issn.1674—2257.2009.03.008论著软骨素酶ABC促进大鼠脊髓损伤后轴突再生和功能恢复的初步研究魏丹1,宋跃明2(1.四川省人民医院骨科,成都610072;2.四川大学华西医院骨科,成都610041)【摘要】目的探讨软骨素酶J蟠C(Ch』墟C)对大鼠脊髓横断损伤(SCI)后轴突再生和功能恢复的影响。方法SD大鼠随机分为实验组(SCI+cllABC),对照组(SCI+NS)及正
2、常组。采用T78脊髓完全横断模型,术后2周和10周脊髓标本分别行OBT、GFAP、NSE及NF免疫组化染色,术后1、2、3、4、5、6、8、10周进行行为学评分。结果行为学评分,术后3周实验组评分高于对照组(P<0.05),同时实验组疤痕中0BT和GFAP染色低于对照组(P3、识码】A【文章编号】1674—2257(2009)03—0187—04ChondroitinaseABCpromotesaxonalregenerationandfunctionalrecoveryafteFspinalcordinjuryinratsWEfDan1.SONGYue-min92(1.DepartmentofOrthopaedics,People’sHospitalofSichuanProvince,Chengdu610072,China;2.Depart—mentofOrthopaedics,WestChinaHospitalofSichnan4、University,Chengdu610041,China)[Abstract]ObjectiveToexploretheeffectsofchondroitinaseABC(ChABC)onthefunctionalrecoveryandaxonalregenerationoftransectedspinalcordinrats.MethodsSDratswererandomlydividedinto3groups:normalgroup。controlgroup(SCI+NS)andexperimentalgroup(SCI+ChABC).Thetran5、sverseinjurymodelsweremadebeteenthespinalcordofT7andT8.ImmunohistochemistryofOBT,GFAP,NSEandNFwereadoptedtoassessthefunetionalrecoveryandaxonalregenerationinratsat2weeksand10weeksafteroperation.Behavioralevalua—tionwasperformedat1,2,3,4,5,6,8andi0weeksafteroperation.ResultsTherewasa6、napparentincreaseofbehavioralscoresinexperimentalgroupcomparedwitheontrolgroupat3weeksafteroperation(P7、05).ConelasionChABCcanreduceCSPGsactivityattheiNurysites.Therefore,itcarlpromotetherecoveryofmotorandsensoryfunctionaswellastheaxonalregeneration.[Keywords]spinaICOrdtransverseinjury;chondroitinaseABC;CSPGs;functionalrecovery;axonalregeneration脊髓损伤(SCI)后功能的恢复受许多因素的影响。目前研究认为,中枢神经系统生长8、抑制因子对脊髓损伤修复有重要的抑制作用
3、识码】A【文章编号】1674—2257(2009)03—0187—04ChondroitinaseABCpromotesaxonalregenerationandfunctionalrecoveryafteFspinalcordinjuryinratsWEfDan1.SONGYue-min92(1.DepartmentofOrthopaedics,People’sHospitalofSichuanProvince,Chengdu610072,China;2.Depart—mentofOrthopaedics,WestChinaHospitalofSichnan
4、University,Chengdu610041,China)[Abstract]ObjectiveToexploretheeffectsofchondroitinaseABC(ChABC)onthefunctionalrecoveryandaxonalregenerationoftransectedspinalcordinrats.MethodsSDratswererandomlydividedinto3groups:normalgroup。controlgroup(SCI+NS)andexperimentalgroup(SCI+ChABC).Thetran
5、sverseinjurymodelsweremadebeteenthespinalcordofT7andT8.ImmunohistochemistryofOBT,GFAP,NSEandNFwereadoptedtoassessthefunetionalrecoveryandaxonalregenerationinratsat2weeksand10weeksafteroperation.Behavioralevalua—tionwasperformedat1,2,3,4,5,6,8andi0weeksafteroperation.ResultsTherewasa
6、napparentincreaseofbehavioralscoresinexperimentalgroupcomparedwitheontrolgroupat3weeksafteroperation(P7、05).ConelasionChABCcanreduceCSPGsactivityattheiNurysites.Therefore,itcarlpromotetherecoveryofmotorandsensoryfunctionaswellastheaxonalregeneration.[Keywords]spinaICOrdtransverseinjury;chondroitinaseABC;CSPGs;functionalrecovery;axonalregeneration脊髓损伤(SCI)后功能的恢复受许多因素的影响。目前研究认为,中枢神经系统生长8、抑制因子对脊髓损伤修复有重要的抑制作用
7、05).ConelasionChABCcanreduceCSPGsactivityattheiNurysites.Therefore,itcarlpromotetherecoveryofmotorandsensoryfunctionaswellastheaxonalregeneration.[Keywords]spinaICOrdtransverseinjury;chondroitinaseABC;CSPGs;functionalrecovery;axonalregeneration脊髓损伤(SCI)后功能的恢复受许多因素的影响。目前研究认为,中枢神经系统生长
8、抑制因子对脊髓损伤修复有重要的抑制作用
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