血脑屏障对钙调神经磷酸酶B亚基及其降解肽段阻碍作用的研究

JOURNAL OF BEIJING NORMAL UNIVERSITY (NATURAL SCIENCE)(2001)

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Abstract
应用1,3,4,6,-四氯-3α,6α-二苯基苷尿(Iodogen)法对钙调神经磷酸酶B亚基进行125I标记,获得了比活度为740MBq.mg-1,放化纯度为95.7%的125I标记的钙调神经磷酸酶B亚基,标记率高达85%.利用该标记物研究血脑屏障对其进入脑的阻碍作用.结果显示血脑屏障能够阻止完整的钙调神经磷酸酶B亚基进入脑,但是它的降解肽段能够透过血脑屏障进入脑组织.
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