A SINGLE DOMINANT SUSCEPTIBLE GENE DETERMINES SPONTANEOUS DEVELOPMENT OF THYMOMA IN BUF/MNA RAT

  • 1 November 1986
    • journal article
    • research article
    • Vol. 77  (11) , 1066-1068
Abstract
Rats of the BUF/Mna strain developed spontaneous epithelial thymomas morphologically indistinguishable from human homologues at virtually 100% incidence. Segregation of thymoma development among crosses between BUF/Mna and ACI/NMs, which has 0% thymoma incidence, indicated that thymoma susceptibility was determined principally by a single autosomal dominant gene Tbm-1 (thymoma in BUF/Mna rats). In these crosses, another autosomal dominant or semidominant gene(s) contributed by ACI/NMs parents moderately reduced the thymoma incidence.

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