Emerging evidence is fueling a new appreciation of oligodendrocyte diversity that is overturning the traditional view that oligodendrocytes are a homogenous cell population.Oligodendrocytes of distinct origins,maturat...Emerging evidence is fueling a new appreciation of oligodendrocyte diversity that is overturning the traditional view that oligodendrocytes are a homogenous cell population.Oligodendrocytes of distinct origins,maturational stages,and regional locations may differ in their functional capacity or susceptibility to injury.One of the most unique qualities of the oligodendrocyte is its ability to produce myelin.Myelin abnormalities have been ascribed to a remarkable array of perinatal brain injuries,with concomitant oligodendrocyte dysregulation.Within this review,we discuss new insights into the diversity of the oligodendrocyte lineage and highlight their relevance in paradigms of perinatal brain injury.Future therapeutic development will be informed by comprehensive knowledge of oligodendrocyte pathophysiology that considers the particular facets of heterogeneity that this lineage exhibits.展开更多
目的探讨早产儿脑白质损伤(WMD)发生率及临床表现;研究WMD早期S100B蛋白、神经元特异性烯醇化酶(NSE)及肌酸激酶脑型同工酶(CK-BB)的动态变化。方法选择2011年1月至10月临床资料完整的早产儿病例,生后24、72、120 h采静脉血,应用化学发...目的探讨早产儿脑白质损伤(WMD)发生率及临床表现;研究WMD早期S100B蛋白、神经元特异性烯醇化酶(NSE)及肌酸激酶脑型同工酶(CK-BB)的动态变化。方法选择2011年1月至10月临床资料完整的早产儿病例,生后24、72、120 h采静脉血,应用化学发光法检测S100B蛋白与NSE,酶联免疫吸附法检测CK-BB。据颅脑超声检查分为WMD组(18例)及无WMD作为对照组(53例)。结果早产儿中WMD发生率为25.35%。WMD组惊厥、呼吸暂停、肌张力改变所占比例均高于无WMD组(P均<0.05)。WMD组生后24、72、120 h S100B蛋白含量均高于无WMD组(P均<0.05);WMD组生后24 h NSE含量高于无WMD组(P<0.01),72、120 h两组差异无统计学意义(P均>0.05);WMD组生后24、72、120 h CK-BB含量均高于无WMD组(P均<0.05)。结论 WMD早产儿S100B蛋白、NSE及CK-BB在生后24 h内均升高,S100B蛋白与CK-BB升高持续时间长。展开更多
文摘Emerging evidence is fueling a new appreciation of oligodendrocyte diversity that is overturning the traditional view that oligodendrocytes are a homogenous cell population.Oligodendrocytes of distinct origins,maturational stages,and regional locations may differ in their functional capacity or susceptibility to injury.One of the most unique qualities of the oligodendrocyte is its ability to produce myelin.Myelin abnormalities have been ascribed to a remarkable array of perinatal brain injuries,with concomitant oligodendrocyte dysregulation.Within this review,we discuss new insights into the diversity of the oligodendrocyte lineage and highlight their relevance in paradigms of perinatal brain injury.Future therapeutic development will be informed by comprehensive knowledge of oligodendrocyte pathophysiology that considers the particular facets of heterogeneity that this lineage exhibits.
文摘目的探讨早产儿脑白质损伤(WMD)发生率及临床表现;研究WMD早期S100B蛋白、神经元特异性烯醇化酶(NSE)及肌酸激酶脑型同工酶(CK-BB)的动态变化。方法选择2011年1月至10月临床资料完整的早产儿病例,生后24、72、120 h采静脉血,应用化学发光法检测S100B蛋白与NSE,酶联免疫吸附法检测CK-BB。据颅脑超声检查分为WMD组(18例)及无WMD作为对照组(53例)。结果早产儿中WMD发生率为25.35%。WMD组惊厥、呼吸暂停、肌张力改变所占比例均高于无WMD组(P均<0.05)。WMD组生后24、72、120 h S100B蛋白含量均高于无WMD组(P均<0.05);WMD组生后24 h NSE含量高于无WMD组(P<0.01),72、120 h两组差异无统计学意义(P均>0.05);WMD组生后24、72、120 h CK-BB含量均高于无WMD组(P均<0.05)。结论 WMD早产儿S100B蛋白、NSE及CK-BB在生后24 h内均升高,S100B蛋白与CK-BB升高持续时间长。
