Fcgr2b - Model 579

Fcgr2b (Model 579)  Constitutive Knockout Mouse Model
  • Cryopreserved
  • Mouse
  • Albino
  • Not available for direct purchase by CRO
Model No.NomenclatureGenotype
579C.129S4(B6)-Fcgr2btm1TtK/cAnNTac N12Inquire for genotype
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Overview

Nomenclature: C.129S4(B6)-Fcgr2btm1TtK/cAnNTac N12

  • Deficient in FcgRIIB protein, which is a low affinity immunoglobulin G receptor
  • The FcgRIIB protein inhibits the activation of disparate effector functions such as phagocytosis, antibody dependent cytotoxicity and release of inflammatory mediators and it is known to function as an inhibitory receptor on B cells and mast cells
  • This inhibitory pathway for activation of several immune effector responses is dysfunctional, resulting in the inability to regulate antibody levels in response to antigenic stimuli dependent on IgG immune complexes
  • Useful for studying the feedback inhibition pathways that regulate antibody production and in studies of allergic and autoimmune disorders
  • The mice are fertile and develop normally
  • These mice carry the H2d haplotype
Orders by weight: Taconic cannot accept orders by weight for this model. Please note that shipments may contain animals with a larger weight variation.

Availability

Cryopreserved at Taconic Biosciences

Origin

The Fcgr2b mouse was developed in the laboratory of T. Takai of Okayama University in 1995. The model was created by targeting the Fcgr2b gene in J1 ES cells. Taconic received pregnant females from Okayama University in November 1996 for use by the laboratory of J.V. Ravetch. Heterozygotes on a hybrid 129 x C57BL/6 background were intercrossed to generate homozygous targeted mutation mice. The mice were then backcrossed twelve generations (N12) to BALB/cAnNTac. The mice were embryo transfer derived and were maintained by incrossing of homozygous mice.

This model is cryopreserved and available for recovery. Models can typically be recovered and delivered to customers within 14-16 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.

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Genetics

Species:Mouse
Strain Type:Congenic
Allele Type:Constitutive Knockout
Coat Color:Albino
Genetic Background:BALB/c

Other Genetic Notes:

Wildtype for Nnt mutation

Guides & Publications

Initial Publication: Takai, T, Ono, M, Hikida, M, Ohmori, H, Ravetch, J. (1996) Augmented humoral and anaphylactic responses in FcgRII-deficient mice. Nature, 379: 346-349.

Applications & Therapeutic Areas

  • Autoimmune Disease
  • Immunology
  • Inflammation
  • Oncology & Immuno-Oncology
  • Vaccine Research

Transit, Housing & Welfare

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Licensing

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

579

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

579

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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