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B6 CD45.1 Mouse

Model characteristics

Strain name:



Congenic inbred mouse


Janvier Labs, 2023

Colour and related genotype:

Black mouse, a (a/a) non agouti - MHC: Haplotype H2b

Performance de reproduction :

Description of our model and application areas

This congenic strain is frequently used in transplantation studies due to its distinctive pan leukocyte marker Ptprca, commonly known as CD45.1 or Ly5.1. This contrasts with other inbred strains such as C57BL or BALB/c that express the Ptprcb (CD45.2 or Ly5.2) allele.

The creation of this model involved speed backcrossing of the Ptprca and linked Pepcb alleles from SJL/LRj onto a C57BL/6JRj background.

Cardiovascular diseases Degenerative diseases, ageeing Immunology Infectious diseases Metabolic disorders Neurosciences Oncology Physiology - Physiopathology Preclinical Transplantation

Useful documents

Download the technical sheet

picto télécharger

Health reports

Our added value

• The «JANVIER LABS Genetic Policy», specific program, guarantees homozygosity of autosomal pairs
• Animals with the SPF or SOPF standards
• A gentling policy for docile and easy-to-handle animals
• Optimal stability conditions of our models during shipments, thanks to our dedicated and internal transport service
• A scientific support with a team of Veterinarians and PhD

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