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Lethal effect of the anti-Fas antibody in mice

Lethal effect of the anti-Fas antibody in mice DURING mammalian development, many cells are programmed to die1,2 most mediated by apoptosis3. The Fas antigen4 coded by the structural gene for mouse lymphoproliferation mutation (lpr)5,6, is a cell surface protein belonging to the tumour necrosis factor/nerve growth factor receptor family7,8, and mediates apoptosis7. The Fas antigen messenger RNA is expressed in the thymus, liver, heart, lung and ovary8. We prepared a monoclonal antibody against mouse Fas antigen, which immunoprecipitated the antigen (M r 45K) and had cytolytic activity against cell lines expressing mouse Fas antigen. We report here that staining of mouse thymocytes with the antibody indicated that thymocytes from the wild-type and lpr cg mice expressed the Fas antigen, whereas little expression of the Fas antigen was found in lpr mice. Intraperitoneal administration of the anti-Fas antibody into mice rapidly killed the wild-type mice but neither lpr nor lpr cg mice. Biochemical, histological and electron microscope analyses indicated severe damage of the liver by apoptosis. These findings suggest that the Fas antigen is important in programmed cell death in the liver, and may be involved in fulminant hepatitis in some cases. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

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References (26)

Publisher
Springer Journals
Copyright
Copyright © 1993 by Nature Publishing Group
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/364806a0
Publisher site
See Article on Publisher Site

Abstract

DURING mammalian development, many cells are programmed to die1,2 most mediated by apoptosis3. The Fas antigen4 coded by the structural gene for mouse lymphoproliferation mutation (lpr)5,6, is a cell surface protein belonging to the tumour necrosis factor/nerve growth factor receptor family7,8, and mediates apoptosis7. The Fas antigen messenger RNA is expressed in the thymus, liver, heart, lung and ovary8. We prepared a monoclonal antibody against mouse Fas antigen, which immunoprecipitated the antigen (M r 45K) and had cytolytic activity against cell lines expressing mouse Fas antigen. We report here that staining of mouse thymocytes with the antibody indicated that thymocytes from the wild-type and lpr cg mice expressed the Fas antigen, whereas little expression of the Fas antigen was found in lpr mice. Intraperitoneal administration of the anti-Fas antibody into mice rapidly killed the wild-type mice but neither lpr nor lpr cg mice. Biochemical, histological and electron microscope analyses indicated severe damage of the liver by apoptosis. These findings suggest that the Fas antigen is important in programmed cell death in the liver, and may be involved in fulminant hepatitis in some cases.

Journal

NatureSpringer Journals

Published: Aug 26, 1993

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