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Immunohistochemical localization of epoxide hydratase in rat liver

Authors
Journal
Life Sciences
0024-3205
Publisher
Elsevier
Publication Date
Volume
26
Issue
6
Identifiers
DOI: 10.1016/0024-3205(80)90170-8
Disciplines
  • Biology
  • Chemistry

Abstract

Abstract An antibody produced against epoxide hydratase (EC 4.2.1.63) which had been purified to apparent homogeneity from hepatic microsomes of phenobarbital pretreated rats was employed in an unlabeled antibody peroxidase-antiperoxidase technique to localize the enzyme at the light microscopic level in the livers of untreated rats. Immunohistochemical staining for epoxide hydratase was detected in parenchymal cells throughout the liver lobule. Cells within the centrilobular regions, however, were observed to be stained more intensely than were those within the midzonal and periportal regions of the lobule. The results of this immunohistochemical study thus demonstrate that epoxide hydratase does not exhibit a uniform pattern of distribution within the liver lobule in untreated rats.

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