C57BL/6-Tfrctm1(TFRC)Bdes/Orl

Status

Available to order

EMMA IDEM:15141
Citation informationRRID:IMSR_EM:15141 

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International strain nameC57BL/6-Tfrctm1(TFRC)Bdes/Orl
Alternative nameTfrctm1(TFRC)Bdes
Strain typeTargeted Mutant Strains : Knock-in
Allele/Transgene symbolTfrctm1(TFRC)Bdes
Gene/Transgene symbolTfrc

Information from provider

ProviderLutgarde Serneels
Provider affiliationVIB-KU Leuven Center for Brain & Disease Research, VIB
Genetic informationFor the knock-in model, the sequences of mouse Tfrc (aa. 196-381) were replaced with the sequences of human TFRC (aa. 194-379). As templates for the generation of the targeting vector, BAC RP24-363L9 and RP23-206N24 from the C57BL/6 library and RP11-480A16 were used. C57BL/6 ES cells (Cyagen) were used to target the Tfrc gene in C57BL/6 mice. This resulted in mice expressing a TFRC protein with a humanized apical domain (API).
Phenotypic informationHomozygous:
No obvious phenotype is found. Mice are normal, viable, fertile, and produce normal sized litters.

Heterozygous:
Heterozygous pups are smaller and weaker compared to their wild-type and homozygous littermates. Heterozygous mice catch up the weight differences and appear viable and fertile. This phenotype is not studied in detail, but as TFRC acts as a dimer we believe it may be due to less functional dimers containing wild-type mouse TFRC and the humanized API_TFCR in the heterozygous animals.
Breeding historyThis strain was generated by Cyagen and F1 heterozygous animals were crossed to generate homozygous offspring. The mice were kept for 8 generations as homozygous breeders.
References
  • VHHs as tools for therapeutic protein delivery to the central nervous system.;Wouters Yessica, Jaspers Tom, Rué Laura, Serneels Lutgarde, De Strooper Bart, Dewilde Maarten, ;2022;Fluids and barriers of the CNS;19;79; 36192747
Homozygous fertileyes
Homozygous viableyes
Homozygous matings requiredyes
Immunocompromisedno

Information from EMMA

Archiving centreCNRS-TAAM – Typing and Archiving of Animal Models, Orléans, France
Animals used for archivinghomozygous C57BL/6 males, homozygous C57BL/6 females
Stage of embryos2-cell

Disease and phenotype information

Orphanet associated rare diseases, based on orthologous gene matching

IMPC phenotypes (gene matching)
  • increased red blood cell distribution width / IMPC
  • decreased mean corpuscular hemoglobin / IMPC
  • abnormal gait / IMPC
  • preweaning lethality, complete penetrance / IMPC
  • decreased mean corpuscular volume / IMPC
  • increased erythrocyte cell number / IMPC
  • abnormal vocalization / IMPC
  • embryonic lethality prior to tooth bud stage / IMPC
  • decreased hemoglobin content / IMPC

Literature references

  • VHHs as tools for therapeutic protein delivery to the central nervous system.;Wouters Yessica, Jaspers Tom, Rué Laura, Serneels Lutgarde, De Strooper Bart, Dewilde Maarten, ;2022;Fluids and barriers of the CNS;19;79; 36192747

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Order

Availabilities

Requesting frozen sperm or embryos is generally advisable wherever possible, in order to minimise the shipment of live mice.

  • Frozen embryos. Delivered in 4 weeks (after paperwork in place). €1740*
  • Rederivation of mice from frozen stock, delivery time available upon request . €3880*

Due to the dynamic nature of our processes strain availability may change at short notice. The local repository manager will advise you in these circumstances.

* In addition users have to cover all the shipping costs (including the cost for returning dry-shippers, where applicable).

More details on pricing and delivery times

Practical information

Genotyping protocol

Example health report
(Current health report will be provided later)

Material Transfer Agreement (MTA)
For this strain no provider MTA is needed. Distribution is based on the EMMA conditions only.

EMMA conditions
Legally binding conditions for the transfer

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