Strain Name:

129S/SvEv-Tg(Alb1-Ren)1Unc/CofJ

Stock Number:

007853

Availability:

Repository- Live

Use Restrictions Apply, see Terms of Use
These RenTgMK mice may be useful in studying the effects of genetically clamped renin (and angiotensin II) on hypertension, diabetic nephropathy, albuninurea, nephrosclerosis, and other aspects of the renin–angiotensin system (RAS).

Description

Strain Information

Type Mutant Strain; Transgenic;
Additional information on Genetically Engineered and Mutant Mice.
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Mating SystemNoncarrier x Hemizygote         (Female x Male)
Specieslaboratory mouse
GenerationN12+F
 
Donating Investigator Thomas Coffman,   Duke University Medical Center (AMDCC)

Description
Mice heterozygous for the RenTgMK transgene are viable and fertile. The RenTgMK transgene contains a liver-specific albumin promoter/enhancer controlling the expression of a synthetic renin gene (engineered to allow efficient cleavage and secretion of the prorenin transgene product by the liver). This, and because the transgene was targeted to the apolipoprotein locus on Chromosome 9, results in active renin secretion from the liver independently of renal or other homeostatic cardiovascular control mechanisms (i.e. genetically clamped). RenTgMK heterozygotes have high ectopic levels of active mouse renin in the liver and elevated plasma levels of prorenin and active renin. Heterozygous mice display significantly elevated blood pressure, enhanced thirst, high urine output, proteinuria, and kidney damage. Because active renin overexpression results in increased circulating levels of angiotensin II (Ang II), heterozygotes also exhibit cardiac hypertrophy and 50% male mortality between 6-8 months of age. These RenTgMK mice may be useful in studying the effects of genetically clamped renin (and angiotensin II) on hypertension, diabetic nephropathy, albuninurea, nephrosclerosis, and other aspects of the renin?angiotensin system (RAS).

Development
A targeting construct was designed to insert a single copy of the RenTgMK transgene into the apolipoprotein locus between the Apoa1 and Apoc3 genes on Chromosome 9. The RenTgMK transgene contains (from 5' to 3') a neomycin resistance cassette, a liver-specific mouse albumin promoter/enhancer sequence (with a 20-bp oligonucleotide insert in the 5' untranslated region (UTR) to increase its length), a synthetic mouse renin cDNA (with a c-myc epitope tag at the 3' end), and a rabbit beta-globin 3' UTR. The synthetic renin cDNA is designed with portions of the Ren-2 (Ren2) and Ren-1d (Ren1) genes to allow efficient processing from prorenin to renin in hepatic or other cells by the ubiquitous enzyme furin. The targeting construct was introduced into 129S6/SvEvTac-derived TC-1 embryonic stem (ES) cells. The donating investigator reports that chimeric males were bred to "129SvEv" females and then maintained on a 129S6/SvEvTac background by Dr. Oliver Smithies and Dr. Nobuyo N. Maeda (University of North Carolina). In 2002, these RenTgMK were sent to Thomas M. Coffman (Duke University) and then backcrossed to 129S6/SvEvTac for at least 11 generations prior to arrival at The Jackson Laboratory.

Control Information

  Control
   Noncarrier
   002448 129S1/SvImJ (approximate)
 
  Considerations for Choosing Controls

Related Strains

Strains carrying other alleles of Alb
000186   B6.Cg-Albc/J
007238   B6.Cg-Tg(Alb-PLG)1Dgi/J
007244   B6;SJL-Tg(Alb-F5)2Dgi/J
007245   B6;SJL-Tg(Alb-F5)3Dgi/J
002226   C57BL/6J-Tg(Alb1HBV)44Bri/J
View Strains carrying other alleles of Alb     (5 strains)

Phenotype

Phenotype Information

View Mammalian Phenotype Terms

Mammalian Phenotype Terms
      assigned by genotype

Tg(Alb1-Ren)1Unc/?

        129S6/SvEvTac-Tg(Alb1-Ren)1Unc
  • cardiovascular system phenotype
  • increased blood pressure (MGI Ref ID J:125933)
    • 145+/-8 mmHg compared to 108+/-9 mmHg in wild-type mice

The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.

Tg(Alb1-Ren)1Unc/0

        involves: 129S6/SvEvTac * C57BL/6
  • life span-post-weaning/aging
  • premature death (MGI Ref ID J:88650)
    • about 60% of transgenic males die suddenly between 6 and 8 months of age
  • behavior/neurological phenotype
  • polydipsia (MGI Ref ID J:89252)
    • transgenic mice drink significantly more than non-transgenic mice
  • cardiovascular system phenotype
  • cardiac hypertrophy (MGI Ref ID J:88650)
    • transgenic mice have: increased left ventricle/body weight ratios; increased cardiac myocyte cross-sectional area; generalized fibrosis; decreased left ventricular end systolic dimension coupled with increased cardiac function, indicating that these mice have concentric hypertrophy, without ventricular dilation or overt heart failure
  • decreased heart rate (MGI Ref ID J:88650)
    • in mice that die prematurely a prolonged and progressive bradycardia is seen
    • transgenics show a significant decrease in heart rate variability compared to wild-type mice
  • hypertension (MGI Ref ID J:89252)
    • transgenic mice have blood pressures more than 25 mmHg higher than wild-type mice
    • administration of an angiotensin II receptor antagonist lowered blood pressure in transgenic mice down to that seen in wild-type mice
    • transgenic mice have blood pressures more than 25 mmHg higher than wild-type mice
  • homeostasis/metabolism phenotype
  • albuminuria (MGI Ref ID J:89252)
    • urine protein/creatinine ratios are elevated and an increase in albumin in the urine of transgenic mice is seen
    • administration of an angiotensin II receptor antagonist improved this condition
  • decreased urine osmolality (MGI Ref ID J:89252)
    • transgenic mice produce dilute urine but are able to produce concentrated urine following water deprivation
  • increased circulating creatinine level (MGI Ref ID J:89252)
    • serum creatinine is elevated in transgenic mice
  • immune system phenotype
  • kidney inflammation (MGI Ref ID J:89252)
    • vascular, glomerular, and tubointerstitial changes indicative of hypertensive nephrosclerosis are seen in transgenic mice
    • cortical sections show inflammatory infiltrates, fibroid necrosis and arterial disruption
    • administration of an angiotensin II receptor antagonist ameliorated these pathological changes
  • renal/urinary system phenotype
  • albuminuria (MGI Ref ID J:89252)
    • urine protein/creatinine ratios are elevated and an increase in albumin in the urine of transgenic mice is seen
    • administration of an angiotensin II receptor antagonist improved this condition
  • decreased urine osmolality (MGI Ref ID J:89252)
    • transgenic mice produce dilute urine but are able to produce concentrated urine following water deprivation
  • kidney inflammation (MGI Ref ID J:89252)
    • vascular, glomerular, and tubointerstitial changes indicative of hypertensive nephrosclerosis are seen in transgenic mice
    • cortical sections show inflammatory infiltrates, fibroid necrosis and arterial disruption
    • administration of an angiotensin II receptor antagonist ameliorated these pathological changes
  • polyuria (MGI Ref ID J:89252)

Genes & Alleles

Gene & Allele Information

 
Allele Symbol Tg(Alb1-Ren)1Unc
Allele Name transgene insertion 1, University of North Carolina
Allele Type Targeted (other)
Common Name(s) RenTg; RenTgMK; Tg(Alb1-Ren)1Smi;
Mutation Made By Oliver Smithies,   University of North Carolina
Strain of Origin129S6/SvEvTac
ES Cell Line NameTC-1
ES Cell Line Strain129S6/SvEvTac
Expressed Gene Ren1, renin 1 structural, mouse, laboratory
Promoter Alb, albumin, mouse, laboratory
Molecular Note A single copy of a transgene consisting of a liver specific albumin promoter, a 20 bp insert in the 5' UTR to increase length, a synthetic mouse renin cDNA, and a rabbit beta-globin 3' UTR was inserted into the apolipoprotein locus between the Apoa1 and Apoc3 genes. [MGI Ref ID J:89252]
 
 
Gene Symbol and Name Tg(Alb1-Ren)1Unc, transgene insertion 1, University of North Carolina
Chromosome UN

Genotyping

Genotyping Information

Genotyping Protocols

Tg(Alb1-Ren)1Unc, STD PCR, vers. 1

Helpful Links

Genotyping resources and troubleshooting

References

References

Selected Reference(s)

Caron KM; James LR; Kim HS; Knowles J; Uhlir R; Mao L; Hagaman JR; Cascio W; Rockman H; Smithies O. 2004. Cardiac hypertrophy and sudden death in mice with a genetically clamped renin transgene. Proc Natl Acad Sci U S A 101(9):3106-11. [PubMed: 14978280]  [MGI Ref ID J:88650]

Caron KM; James LR; Kim HS; Morham SG; Sequeira Lopez ML; Gomez RA; Reudelhuber TL; Smithies O. 2002. A genetically clamped renin transgene for the induction of hypertension. Proc Natl Acad Sci U S A 99(12):8248-52. [PubMed: 12034874]  [MGI Ref ID J:89252]

Additional References

Tg(Alb1-Ren)1Unc related

Caron K; Hagaman J; Nishikimi T; Kim HS; Smithies O. 2007. Adrenomedullin gene expression differences in mice do not affect blood pressure but modulate hypertension-induced pathology in males. Proc Natl Acad Sci U S A 104(9):3420-5. [PubMed: 17360661]  [MGI Ref ID J:125933]

Caron KM; James LR; Lee G; Kim HS; Smithies O. 2005. Lifelong genetic minipumps. Physiol Genomics 20(2):203-9. [PubMed: 15585607]  [MGI Ref ID J:95789]

Pandya K; Kim HS; Smithies O. 2006. Fibrosis, not cell size, delineates beta-myosin heavy chain reexpression during cardiac hypertrophy and normal aging in vivo. Proc Natl Acad Sci U S A 103(45):16864-9. [PubMed: 17068123]  [MGI Ref ID J:132484]

Health & husbandry

Health & Colony Maintenance Information

Animal Health Reports

Room Number           AX11

Colony Maintenance

Breeding & HusbandryWhen maintaining a live colony, hemizygous (heterozygous) mice can be bred with wildtype littermates.
Mating SystemNoncarrier x Hemizygote         (Female x Male)
Diet Information LabDiet® 5K52/5K67

Purchasing information

Pricing, Supply Level & Notes, Controls, General Terms & Conditions

Pricing

Pricing for USA, Canada and Mexico shipping destinations View International pricing
Weeks of AgePrice (US dollars $)GenderGenotypes Provided
Individual Mouse $243.50Female or MaleHemizygous for Tg(Alb1-Ren)1Unc
Pairs /Price (US dollars $)Pair Genotype
$297.85Hemizygous for Tg(Alb1-Ren)1Unc x Noncarrier
$297.85Noncarrier x Hemizygous for Tg(Alb1-Ren)1Unc

Additional Supply Details

Pricing for International shipping destinations View USA Canada and Mexico pricing
Weeks of AgePrice (US dollars $)GenderGenotypes Provided
Individual Mouse $316.60Female or MaleHemizygous for Tg(Alb1-Ren)1Unc
Pairs /Price (US dollars $)Pair Genotype
$387.30Hemizygous for Tg(Alb1-Ren)1Unc x Noncarrier
$387.30Noncarrier x Hemizygous for Tg(Alb1-Ren)1Unc

Additional Supply Details

Supply Details

Standard SupplyRepository-Live. A collection of over 1000 strains maintained as live colonies. Individual colonies are sized to meet current customer demand. Delivery for orders of 10 mice or less ranges on average from one to eight weeks; mice are generally shipped between four to six weeks of age with a maximum shipping age of approximately nine weeks. Colony sizes do not generally support stringent age specifications for large volumes of mice; however custom orders and larger quantities of mice are easily arranged. Estimated ship dates for all orders provided within two business days following order placement.
Supply Notes

Control Information

  Control
   Noncarrier
   002448 129S1/SvImJ (approximate)
 
  Considerations for Choosing Controls
  USA, Canada and Mexico - Control Pricing Information for Genetically Engineered Mutant Strains.
  International - Control Pricing Information for Genetically Engineered Mutant Strains.

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