Neurology:多次脑震荡前职业运动员脑脊液中总tau升高

2019-05-09 xing.T 网络

由此可见,该研究结果表明多发脑震荡的前运动员CSF t-tau水平升高的风险增加,并且高CSF t-tau与WM完整性降低和TMT B部分的得分较差有关。

近日,神经病学领域权威取杂志Neurology上发表了一篇研究文章,该研究旨在确定伴有多次脑震荡病史的前专业运动员白质(WM)完整性降低和认知能力较差的CSF生物标志物。 

研究人员测量了三组参与者脑脊液中磷酸化tau181、总tau(t-tau)和β-淀粉样蛋白的浓度:22名多次脑震荡的前专业运动员(平均±SD年龄为55.9±12.2岁)、5名健康对照者(年龄为57.4±5.2岁)、12名被诊断患有阿尔茨海默病(AD)的参与者(年龄为60.0±6.6岁)。前运动员组的所有参与者都进行了弥散张量成像,以确定WM的完整性并完成神经心理学测试。研究人员将前运动员组分为正常(<300 pg/mL)和高(>300 pg/mL)CSF  t-tau组。

前运动员组CSF t-tau显著高于健康对照组(349.3±182.6 vs. 188.8±39.9 pg/mL,p=0.003),显著低于AD患者(349.3±182.6 vs. 857.0±449.3pg/mL,p=0.007)。与正常CSF t-tau组相比,高CSF t-tau组所有组的分数各向异性值显著降低(p=0.036)。与正常CSF t-tau组相比,高CSF t-tau组的参与者在连线测试(TMT)B部分得分显著较低(t得分45.6±18.8 vs. 62.3±10.1,p=0.017)。 

由此可见,该研究结果表明多发脑震荡的前运动员CSF t-tau水平升高的风险增加,并且高CSF t-tau与WM完整性降低和TMT B部分的得分较差有关。 

原始出处:

Foad Taghdiri,et al.Elevated cerebrospinal fluid total tau in former professional athletes with multiple concussions.Neurology.2019.https://doi.org/10.1212/WNL.0000000000007608

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    2019-05-11 TZF0804
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    2019-05-11 szhvet
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    2019-05-11 gujh