B2m (β2m)

B2m (β2m) Constitutive Knockout Mouse Model
  • Cryopreserved
  • Mouse
  • Male Only
  • Black
  • Not available for direct purchase by CRO
Model No.NomenclatureGenotype
B2MN12Inquire for genotypeInquire for genotype
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Overview

  • Contains a disruption of the beta-2-microglobulin gene
  • Deficient in MHC Class I molecule expression
  • Exhibits depletion of CD8+ T cells
  • Lack the NK1.1+ CD4+ T-cell population as well, because of dependence on MHC Class 1b molecule CD1 for development
  • Useful in transplantation, gene therapy, and immunological disease research

Origin

The B2m mouse was developed in the laboratory of Rudolf Jaenisch at the Whitehead Institute. The model was created by targeting the B2m gene in D3 ES cells and injecting the targeted cells into C57BL/6J blastocysts. Resultant chimeras were backcrossed to C57BL/6 for five generations (N5). GenPharm International received stock from the Jaenisch lab in 1991. Taconic received stock in February 1994. The mice were then backcrossed seven generations (N12) to C57BL/6NTac and derived by embryo transfer. Heterozygotes were intercrossed to homozygosity. The colony was maintained through incrossing of homozygotes.

This model is cryopreserved and available for recovery. Models can typically be recovered and delivered to customers within 12 weeks after order receipt. Purchase of this model includes perpetual use rights and a deliverable of four mutant animals at the Murine Pathogen Free™ health standard along with a genotyping protocol. For models which include a recombinase gene or multiple alleles, all alleles will be provided, but individual animals may not contain all mutant alleles.

Taconic’s Colony Management experts can design a plan to grow your colony faster.

Genetics

Species:Mouse
Strain Type:Congenic
Allele Type:Constitutive Knockout
Coat Color:Black
Genetic Background:C57BL/6

Other Genetic Notes:

Wild type for Nnt mutation

Guides & Publications

Initial Publication: Zijlstra M, Bix M, Simister NE, Loring JM, Raulet DH, Jaenisch R. (1990) β2-Microglobulin deficient mice lack CD4-8+ cytolytic T cells, Nature, 344(6268):742-746.

Applications & Therapeutic Areas

  • Immunology
  • Inflammation

Transit, Housing & Welfare

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B2m (β2m)

Customers may purchase this model by signing the appropriate Terms of Sale (below) and providing a PO.
This model is sold under terms which grant perpetual use rights.

Pricing - USD

B2MN12

ItemCommercialNonprofit
Cryopreserved Model$23,100.00$17,325.00

Cryopreserved models are invoiced upon shipment of recovered animals. Once orders are placed, the full purchase price will be applied if the order is canceled. For orders greater than 4 animals, please contact Taconic for options.

Fees for Taconic Transit Cages™ and freight are in addition to the price above.

Pricing - EUR

B2MN12

ItemCommercialNonprofit
Cryopreserved Model€21.000,00€15.855,00

Cryopreserved models are invoiced upon shipment of recovered animals. Once orders are placed, the full purchase price will be applied if the order is canceled. For orders greater than 4 animals, please contact Taconic for options.

Fees for Taconic Transit Cages™ and freight are in addition to the price above.

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