Strain Data Sheet
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Data update: Feb 22, 2017
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RBRC No. RBRC01348  
Type Targeted MutationCartagena  
Species Mus musculus  
Strain name ICR.Cg-Trp53<tm1Sia>/Rbrc  
Former Common name ICR-p53+/-  
H-2 Haplotype No Data  
ES cell line TT2 [(C57BL/6NCrlj x CBA/JNCrlj)F1]  
Donor strain (C57BL/6 x CBA)F1 via TT2 ES cell line  
Background strain No Data  
Appearance
 1 Appearance albino  
Genotype c/c  
Strain development Developed by Shinichi Aizawa, RIKEN Tsukuba Institute. The TT2 ES cells derived from B6CBAF1 were used to disrupt the p53 gene by homologous recombination. The mutant mice were backcrossed to C57BL/6, ICR and C3H, respectively by Ohtura Niwa, Radiation Biology Center, Kyoto University, to DBA/2 by Takeshi Yagi, Graduate School of Frontier Biosciences, Osaka University, to MSM by Ryo Kominami, Niigata University Graduate School of Medical and Dental Sciences.  
Strain description Trp53 gene knockout mice. A neomycin selection cassette was inserted into the second exon of the Trp53 gene. Homozygous deficient mice can grow after birth, but often suffered from development of tumors in various region of the body. Several congenic strains were generated. C57BL/6 background (RBRC01361), ICR background (RBRC01348), C3H background (RBRC00107), DBA/2 background (RBRC01518), and MSM background (RBRC00815). In C57BL/6 background most of the female homozygotes die in utero (probably, also in MSM background).  
Colony maintenance Heterozygote x Wild-type [or Crossing to Slc:ICR]  
Health Report
BRC facility Health Report 2014.12-2016.7

Examination Date Room Rack
Aug 6, 2007 3-2 D
Jun 6, 2006 3-2 D
Apr 4, 2006 3-2 D
Gene Details
Promoter No Data  
 1 Symbol Trp53  
Symbol name transformation-related protein 53  
Chromosome 11  
Common name p53  
Symbol description No Data  
Promoter herpes simplex virus thymidine kinase promoter (HSV tk promoter)  
 2 Symbol neo  
Symbol name neomycin resistance gene (E. coli)  
Chromosome 11  
Common name neo; neomycin;  
Symbol description No Data  
References Oncogene. 1993 Dec;8(12):3313-22.  
Enhanced proliferative potential in culture of cells from p53-deficient mice.
Research applications Cancer Research,
Cell Biology Research,
Immunology and Inflammation Research,
Mouse Models for Human Disease  
Specific Term and Conditions The following terms and conditions will be requested by the DEPOSITOR.
In publishing the research results obtained by use of the BIOLOGICAL RESOURCE, a citation of the following literature(s) designated by the DEPOSITOR is requested.
Oncogene, 8, 3313-3322 (1993).
Please inform Laboratory for Animal Resources and Genetic Engineering,
CDB (e mail: mutant@cdb.riken.jp) about the paper when published.  
Additional information
 1 Mouse of the Month Jun 2005
Breeding characters  
 2 Genotyping protocol <PCR>  
Depositor Niwa, Ohtsura (Radiation Biology Center, Kyoto University)  Niwa, Ohtsura 
Strain Status /
Availability
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