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36篇 您的检索式:作者名="Cheema SS"
    题名 作者 年代 出处 被引量
1白血病抑制因子对转基因SOD1小鼠内源性神经干细胞分化的调控显示文摘背景:肌萎缩侧索硬化后运动神经元存在神经变性改变,但其确切机制不明,内源性神经干细胞被认为是未来能有效解决此病的治疗方法之一。目的:探讨白血病抑制因子对肌萎缩侧索硬化转基因小鼠脑干内源性神经干细胞的激活及分化方向的影响。设计、时间及地点:重复观察测量,动物功能学与细胞免疫组化学实验,主要于2006-03/2008-04在天津市第一中心医院完成,部分实验于2004-01/05在澳大利亚墨尔本大学医学院完成。材料:由美国Jackson实验室提供的起源于B6SJL-TgN(SOD1-G93A)、表达突变人类超氧化物歧化酶1基因的转基因小鼠108只,随机均分为正常对照组、肌萎缩侧索硬化组、治疗组,每组动物分别在出生后60,90,120d各取12只用于实验,雌雄各半。方法:各组小鼠均于出生后57d起开始进行运动功能测试,记录小鼠在Rotarod上的停留时间,最大测定时间为180s,每天测试1次,直到实验结束。于出生后90,120d取材的小鼠,从出生后60d开始接受药物干预,治疗组腹腔内注射含25μg/kg白血病抑制因子的生理盐水,正常对照组与肌萎缩侧索硬化组等量注射单纯的生理盐水,1次/d。分别于出生后60,90,120d终止相应实验,分离小鼠脑干,采用双重免疫荧光组化法标记内源性神经干细胞。主要观察指标:运动功能,内源性神经干细胞的激活,激活后细胞分化方向。结果:出生后60d,各组动物均能在Rotarod上停留达到最大测试时间180s,脑干均未发现明显的内源性神经干细胞激活。出生后90,120d,正常对照组仍能达到Rotarod最大测试时间180s,仍没有明显的内源性神经干细胞激活;肌萎缩侧索硬化组、治疗组小鼠在Rotarod上的停留时间均明显降低,但后者降低程度明显小于前者(P<0.01);肌萎缩侧索硬化组、治疗组均出现明显的内源性神经干细胞激活,且后者出现激活的细胞数量明显高于前者(P<0.05;P<0.01)。出生120d时与肌萎缩侧索硬化组比较,治疗组内源性神经干细胞分化为星形胶质细胞的比例明显下降(P<0.01),分化成神经元及少突胶质细胞的比例明显上升(P<0.01;P<0.05)。结论:白血病抑制因子是一种能提升内源性神经干细胞的激活、调控其朝向神经元及少突胶质细胞分化的神经营养因子。臧大维 刘娟 Cheema SS 2008中国组织工程研究与临床康复2008,12,34:2
2Leukemia inhibilory factor rescues motoneurones fxom axotomy-induced cell death显示文摘Cheema SS RichardsLJ MurphyM Bartlett PF 1994Neurore-port1994,5,:1
3Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
4Degenerative and regenerative mechanism sgvenring spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neuorbiol Dis2004,,3:1
5Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
6Degenerativ and regenerativ emechanisms governing spinal cord injury 显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
7Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 0,,03:1
8Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D Azari MF Boyle K Petratos S 0,,:1
9Degenerative and regenerative mechanisms governing spinal cord injury 显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
10Degenerantive and regen- erative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiolo- gy of Disease2004,15,3:1
11Degeneration of corticospinal and bulbospinal systems in the superoxide dismutase 1 ( G93A G1H) transgenic mouse model of familial amyotrophic lateral sclerosis 显示文摘Zang DW Cheema SS 2002Neurosci Lett2002,332,2:1
12Degenerative and regenerative mechanisms governing spinal cord injury 显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
13A prospective randomized trialof the efficacy of marginal quilting sutures and fibrin sealant in redu- cing the incidence of seromas in the extended latissimus dorsi donor site显示文摘Dancey AL Cheema M Thomas SS 2010Plast ReconstrSurg2010,125,5:1
14Reducing p75 nerve growth factor receptor levels using antisense oligonucleotides prevents the loss of axotomized sensory neurons in the dorsal root ganglia of newborn rats显示文摘Cheema SS Barrett GL Bartlett PF 1996J Neurosci Res1996,46,2:1
15Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
16Degenerative and regenerative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
17Degenerative and regener- ative mechanisms governing spinal cord injury显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,3:1
18Loss of synaptophysin-positive boutons on lumbar motor neurons innervating the medial gastrocnemius muscle of the SOD1G93A G1H transgenic mouse model of ALS显示文摘Zang DW Lopes EC Cheema SS 0,,:1
19Degenerative and regenerative mechanisms governing spinal cord injury 显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,3,:1
20Degenerative and regenerative mechanisms governing spinal cord injury 显示文摘Profyris C Cheema SS Zang D 2004Neurobiol Dis2004,15,:1
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