Atp7b KO Mouse
Product Name
Atp7b KO Mouse
Product ID
C001267
Strain Name
C57BL/6NCya-Atp7bem1/Cya
Backgroud
C57BL/6NCya
Status
When using this mouse strain in a publication, please cite “Atp7b KO Mouse (Catalog C001267) were purchased from Cyagen.”
Product Type
Age
Genotype
Sex
Quantity
Gene Name
Atp7b
Gene Alias
tx, WND, Atp7a
NCBI ID
Chromosome
Chr 8 (Mouse)
MGI ID
Datasheet
Strain Description
The ATP7B gene encodes a copper-transporting ATPase β-peptide that is a member of the P-type cation-transporting ATPase family, which uses the energy stored in adenosine triphosphate (ATP) molecules to transport metals into and out of cells. The ATP7B protein consists of multiple transmembrane structural domains, an ATPase consensus sequence, a hinge structural domain, and a phosphorylation site, as well as at least two putative copper-binding sites [1]. This protein is found mainly in the liver and to a lesser extent in the kidney and brain, and functions as a copper-transporting ATPase that plays a role in transporting copper from the liver to other parts of the body. Copper is an important component of certain enzymes that maintain normal cellular function, and the ATP7B protein is important for the removal of excess copper from the body. Mutations in this gene are associated with Wilson disease (WD), which is characterized by the accumulation of copper to toxic levels that damage tissues and organs such as the liver and brain as the removal of excess copper from the body is compromised with the absence of the functional ATP7B protein [2-4].
This strain is an Atp7b deletion mouse model, which uses gene editing technology to knock out Atp7b, the homolog of the human ATP7B gene in mice that lack the expression of ATP7B protein and can be used in the study of disorders related to copper metabolisms such as Wilson's disease, acute liver failure, and steatohepatitis. The heterozygous Atp7b KO mice are viable and fertile, and homozygous mice have a reduced life expectancy.
Reference
Cater MA, Forbes J, La Fontaine S, Cox D, Mercer JF. Intracellular trafficking of the human Wilson protein: the role of the six N-terminal metal-binding sites. Biochem J. 2004 Jun 15;380(Pt 3):805-13.
Panagiotakaki E, Tzetis M, Manolaki N, Loudianos G, Papatheodorou A, Manesis E, Nousia-Arvanitakis S, Syriopoulou V, Kanavakis E. Genotype-phenotype correlations for a wide spectrum of mutations in the Wilson disease gene (ATP7B). Am J Med Genet A. 2004 Dec 1;131(2):168-73.
Ferenci P. Regional distribution of mutations of the ATP7B gene in patients with Wilson disease: impact on genetic testing. Hum Genet. 2006 Sep;120(2):151-9.
Fatemi N, Sarkar B. Molecular mechanism of copper transport in Wilson disease. Environ Health Perspect. 2002 Oct;110 Suppl 5(Suppl 5):695-8.
Strain Strategy
The Atp7b gene is located on mouse chromosome 8, and Exons 2~20 of this gene was deleted.
Figure 1. Diagram of the gene editing strategy for the generation of Atp7b KO mice.
Application Area
Copper Metabolism Research;
Wilson’s Disease Research;
Acute Liver Failure Research;
Steatohepatitis Research;
Other Research Related to Copper Metabolism Disorders.
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