F344/Jcl

Animals/Inbred Strains/

F344/Jcl

Ordering name: F344/Jcl
Nomenclature: F344/Jcl
Availability: Live colony
Not genetically modified animal

Characteristics

F344/Jcl is smaller than SD and Wistar rats. They have a longer lifespan and are widely used in various fields such as carcinogenicity testing, cancer and immunology research, and pharmacology.

Coat color gene: aa cc (albino)

Use

Widely used in various fields such as carcinogenicity testing, cancer and immunology research, and pharmacology.

Background data(Body weight, hematology, blood chemistry, organ weight)

◆ F344/Jcl rats: 10-week data(*Japanese)
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Origin

Origin

1920: Dr. M.R. Curtis and Dr. W.F. Dunning at Columbia University began inbreeding using founder animals obtained from local breeders.
   Numerous lines were bred, and the offspring from cross No. 344, called Fischer, were in the highest demand and became known as
   F344.
1951: The strain was transferred to NIH via Heston.
1960: The Curtis stock was transferred to Charles River (USA).
1971: Yakult Central Institute acquired the strain from Charles River (USA).
1982: Under contract, the company began producing and supplying animals introduced from the F344/Yit colony.

Our Contract Research Services related with This Animal 

For details on our contract research services, including cryopreserved embryos, contracted testing, and the provision of research materials such as blood and organs, please click here .

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