CYTOCHEMICAL-LOCALIZATION OF ALKALINE-PHOSPHATASE AND NA+-PUMP SITES IN ADULT-RAT COLON

被引：49

作者：

VENGESA, PB

HOPFER, U

机构：

[1] CASE WESTERN RESERVE UNIV,SCH MED,DEPT ANAT,CLEVELAND,OH 44106

[2] CASE WESTERN RESERVE UNIV,CTR DEV BIOL,CLEVELAND,OH 44106

来源：

JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY | 1979年 / 27卷 / 09期

关键词：

D O I：

10.1177/27.9.39100

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

The cellular and subcellular localization of alkaline and K+-dependent phosphatase activities in the colonic mucosa of adult rats and rabbits was studied with the electron microscope. The 1-cysteine-sensitive alkaline phosphatase activity was observed in the brush border membrane of the chief cells. The contraluminal plasma membrane of chief cells was devoid of this enzyme activity. In contrast, the cardiac glycoside-sensitive K+-dependent phosphatase was predominantly localized in this region of the chief cells.

引用

页码：1231 / 1235

页数：5

共 27 条

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