RGD Reference Report - Fv2 encodes a truncated form of the Stk receptor tyrosine kinase. - Rat Genome Database

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Fv2 encodes a truncated form of the Stk receptor tyrosine kinase.

Authors: Persons, DA  Paulson, RF  Loyd, MR  Herley, MT  Bodner, SM  Bernstein, A  Correll, PH  Ney, PA 
Citation: Persons DA, etal., Nat Genet 1999 Oct;23(2):159-65.
RGD ID: 1549570
Pubmed: PMID:10508511   (View Abstract at PubMed)
DOI: DOI:10.1038/13787   (Journal Full-text)

The Friend virus susceptibility 2 (Fv2) locus encodes a dominant host factor that confers susceptibility to Friend virus-induced erythroleukaemia in mice. We mapped Fv2 to a 1.0-Mb interval that also contained the gene (Ron) encoding the stem cell kinase receptor (Stk). A truncated form of Stk (Sf-stk), which was the most abundant form of Stk in Fv2-sensitive (Fv2ss) erythroid cells, was not expressed in Fv2 resistant (Fv2rr) cells. Enforced expression of Sf-stk conferred susceptibility to Friend disease, whereas targeted disruption of Ron caused resistance. We conclude that the Fv2 locus encodes Ron, and that a naturally expressed, truncated form of Stk confers susceptibility to Friend virus-induced erythroleukaemia.

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