ArticleDisease models & mechanisms2015
The generation and characterization of novel Col1a1FRT-Cre-ER-T2-FRT and Col1a1FRT-STOP-FRT-Cre-ER-T2 mice for sequential mutagenesis.
Article in Disease models & mechanisms, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Renal plasticity revealed through reversal of polycystic kidney disease in mice.Nature genetics · 2021Article
- Genetic tools for identifying and manipulating fibroblasts in the mouse.Differentiation; research in biological diversity · 2016Review
- Adult-Onset Deletion of β-Catenin in (10kb)Dmp1-Expressing Cells Prevents Intermittent PTH-Induced Bone Gain.Endocrinology · 2016Article
- Establishment of a tamoxifen-inducible Cre-driver mouse strain for widespread and temporal genetic modification in adult mice.Experimental animals · 2016Article
- Improving the Predictive Value of Preclinical Studies in Support of Radiotherapy Clinical Trials.Clinical cancer research : an official journal of the American Association for Cancer Research · 2016Review
Corrections and comments
- Retraction · 2016-12-01Error in Results and/or Conclusions · Unreliable Results and/or Conclusions ·
- Retracted
Authors and funding
2 authors.
Funding
Abstract
Novel genetically engineered mouse models using the Cre-loxP or the Flp-FRT systems have generated useful reagents to manipulate the mouse genome in a temporally-regulated and tissue-specific manner. By incorporating a constitutive Cre driver line into a mouse model in which FRT-regulated genes in other cell types are regulated by Flp-FRT recombinase, gene expression can be manipulated simultaneously in separate tissue compartments. This application of dual recombinase technology can be used to dissect the role of stromal cells in tumor development and cancer therapy. Generating mice in which Cre-ER(T2) is expressed under Flp-FRT-mediated regulation would enable step-wise manipulation of the mouse genome using dual recombinase technology. Such next-generation mouse models would enable sequential mutagenesis to better model cancer and define genes required for tumor maintenance. Here, we generated novel genetically engineered mice that activate or delete Cre-ER(T2) in response to Flp recombinase. To potentially utilize the large number of Cre-loxP-regulated transgenic alleles that have already been targeted into the Rosa26 locus, such as different reporters and mutant genes, we targeted the two novel Cre-ER(T2) alleles into the endogenous Col1a1 locus for ubiquitous expression. In the Col1a1(FRT-Cre-ER-T2-FRT) mice, Flp deletes Cre-ER(T2), so that Cre-ER(T2) is only expressed in cells that have never expressed Flp. In contrast, in the Col1a1(FRT-STOP-FRT-Cre-ER-T2) mice, Flp removes the STOP cassette to allow Cre-ER(T2) expression so that Cre-ER(T2) is only expressed in cells that previously expressed Flp. These two new novel mouse strains will be complementary to each other and will enable the exploration of complex biological questions in development, normal tissue homeostasis and cancer.
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