IMMUNOELECTRON MICROSCOPIC LOCALIZATION OF MICROSOMAL ALANINE AMINOPEPTIDASE

被引:5
作者
KETTMANN, U
HUMBEL, B
HOLZHAUSEN, HJ
BAHN, H
AURICH, H
机构
[1] UNIV UTRECHT, DEPT CELL BIOL, UTRECHT, NETHERLANDS
[2] MARTIN LUTHER UNIV, INST PATHOL ANAT, O-4010 HALLE, GERMANY
关键词
D O I
10.1016/S0065-1281(11)80233-3
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The localization of microsomal alanine aminopeptidase was investigated in the rat kidney. Resin embedding failed to demonstrate the localization of the enzyme by immunogold labelling. Using a cryo-ultramicrotomy method the enzyme could be detected on the luminal side of the brush border membrane of proximal tubular cells and to a lesser degree in their mitochondria. Furthermore, vesicular structures labelled with gold were found in the cytoplasma in the apical region of these cells.
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页码:333 / 340
页数:8
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