Constitutive Knockout

Pparα Constitutive Knockout Mouse Model
Live production of model 1640 will cease by Dec 21, 2018. Please contact Taconic to discuss your future needs for this model.

C57BL/6 Background

  • Model #
  • Genotype
  • Nomenclature
  • 1640-F
    B6.129S4-Pparatm1Gonz N12
  • 1640-M
    B6.129S4-Pparatm1Gonz N12
  • Contains a disruption of the Pparα (peroxisome proliferator activated receptor alpha(α)) gene in the ligand-binding coding region
  • Pparα, a member of the nuclear steroid/hormone receptor superfamily, is involved in fatty acid metabolism and transport and mediates the induction of peroxisome proliferation
  • No profound hepatomegaly, peroxisomal proliferation and induction of fatty acid oxidation enzymes in response to classical peroxisome proliferators
  • Higher serum HDL cholesterol and apoA-I concentrations than wild type controls
  • β-oxidation of the long-chain fatty acid, palmitic acid, is lower in mutant mice, demonstrating altered mitochondrial fatty acid metabolism
  • β-oxidation of very long chain fatty acids is not altered
  • Useful in studies of lipid and glucose homeostasis, to study fatty acid metabolism and as a potential model for inborn errors of metabolism
Orders by weight: Taconic cannot accept orders by weight for this model. Please note that shipments may contain animals with a larger weight variation.

Genetic Background:

C57BL/6 Background


The Pparα targeted mutation model was developed by Susana S.T. Lee and colleagues in the laboratory of Frank Gonzalez at the National Cancer Institute. The model was created by targeting the Pparα gene in 129S4 derived J1 ES cells and injecting the targeted cells into C57BL/6N blastocysts. Resultant chimeras were backcrossed to C57BL/6N for eleven generations (N11). Taconic received stock in 2001. Mice were backcrossed to C57BL/6N for embryo transfer derivation (N12). The colony is maintained by incrossing homozygous mice.


Wild type for Nnt mutation; carries Pde6brd1 mutation





Initial Publication:

Lee SS, Pineau T, Drago J, Lee EJ, Owens JW, Kroetz DL, Fernandez-Salguero PM, Westphal H, Gonzalez FJ. (1995) Targeted disruption of the a isoform of the peroxisome proliferator-activated receptor gene in mice results in abolishment of the pleiotropic effects of peroxisome proliferators. Mol Cell Biol, 15(5):3012-22.

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Taconic Transgenic Models™ (Models) are produced and distributed under rights to patents and intellectual property licensed from various institutions. Taconic sells the Models to purchasers, grants to each purchaser a right under Taconic's rights in such licensed patents and intellectual property to use the purchased Model in consideration of purchasers' acknowledgement of and agreement to the Terms and Conditions of Sale and the following terms of use:
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