CYTOCHEMICAL DEMONSTRATION OF CA2+-ATPASE IN THE CHOROID-PLEXUS OF THE 3RD VENTRICLE

被引：1
|
作者：
NAGANO, M
FUJIOKA, A
MORI, S
机构：
[1] Department of Anatomy, Kinki University School of Medicine, Osaka 589, Ohnohigashi, Osakasayama
来源：
ACTA HISTOCHEMICA ET CYTOCHEMICA | 1991年 / 24卷 / 01期
关键词：
D O I：
10.1267/ahc.24.77
中图分类号：
Q2 [细胞生物学];
学科分类号：
071009 ; 090102 ;
摘要：
Ca2+-ATPase activity in the choroid plexus of the third ventricle of the rat was cytochemically detected. Reaction products were detected in the apical and basolateral plasma membranes of the choroid plexus epithelial cells. The activity was calcium-dependent in both membranes. High substrate specificity for ATP was observed only in the apical plasma membrane. It is speculated that Ca2+-ATPase in the apical plasma membrane acts as a Ca2+-pump and regulates cerebrospinal fluid Ca2+ concentration.
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页码：77 / 83
页数：7
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