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Immunohistochemical Demonstration of DNA-incorporated 5-bromodeoxyuridine in Frozen and Plastic Embedded Sections

Overview
Journal Histochemistry
Specialty Biochemistry
Date 1986 Jan 1
PMID 3528077
Citations 20
Authors
G Harms
H van Goor
J Koudstaal
L de Ley
M J HARDONK
Affiliations
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Abstract

The application of an immunohistochemical method in the detection of replicating cells, that have incorporated 5-bromodeoxyuridine (BrdUrd), was studied on frozen and plastic embedded sections of different rat tissues. Hydrolysis conditions employed in the Feulgen procedure are essential in making the incorporated BrdUrd accessible to the monoclonal anti-BrdUrd antibodies. To demonstrate the incorporated BrdUrd in plastic embedded sections a subsequent etching with xylene and digestion with protease is necessary. Data obtained with this method are completely comparable with those found by the tritiated thymidine method. In comparison with the thymidine method, the BrdUrd method is much less time consuming and does not require precautions in working with radioactivity. The BrdUrd-method enables a more precise localization as is especially shown in the plastic embedded sections.

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