Cre transgene results in global attenuation of the cAMP/PKA pathway
Journal Title
CELL DEATH & DISEASE
Publication Type
Journal Article
Abstract
Use of the cre transgene in in vivo mouse models to delete a specific 'floxed' allele is a well-accepted method for studying the effects of spatially or temporarily regulated genes. During the course of our investigation into the effect of cyclic adenosine 3',5'-monophosphate- dependent protein kinase A ( PKA) expression on cell death, we found that cre expression either in cultured cell lines or in transgenic mice results in global changes in PKA target phosphorylation. This consequently alters gene expression profile and changes in cytokine secretion such as IL-6. These effects are dependent on its recombinase activity and can be attributed to the upregulation of specific inhibitors of PKA ( PKI). These results may explain the cytotoxicity often associated with cre expression in many transgenic animals and may also explain many of the phenotypes observed in the context of Cre-mediated gene deletion. Our results may therefore influence the interpretation of data generated using the conventional cre transgenic system.
Publisher
NATURE PUBLISHING GROUP
Keywords
PROTEIN-KINASE; LYMPHOID-CELLS; CYCLIC-AMP; RECOMBINASE; ACTIVATION; MICE; PKA; APOPTOSIS; RECEPTOR; INTERLEUKIN-6
WEHI Research Division(s)
Cell Signalling And Cell Death; Systems Biology And Personalised Medicine
Rights Notice
Copyright © 2012 Macmillan Publishers Limited This work is licensed under the Creative Commons Attribution-NonCommercial-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/


Creation Date: 2012-08-01 12:00:00
Last Modified: 0001-01-01 12:00:00
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