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  • Title: A new mutant strain of Gunn-LA Wistar rats with genetic deficiencies in bilirubin and androsterone uridine diphosphate-glucuronosyltransferases.
    Author: Nagai F, Homma H, Matsui M.
    Journal: J Pharmacobiodyn; 1989 May; 12(5):305-9. PubMed ID: 2509673.
    Abstract:
    Hooded Gunn rats which have low-activity of 4-nitrophenol uridine diphosphate-glucuronosyltransferase (GT) and defect in bilirubin GT were crossed with albino LA Wistar rats with a defect in androsterone GT. From F2 and F3 progeny were selected Gunn-LA Wistar rats which have defective bilirubin and androsterone GTs and low-active 4-nitrophenol GT. These rats had either hooded or albino coat color. In order to establish a uniform genetic background, albino male Gunn-LA Wistar rats were crossed with heterozygous albino female Gunn-LA Wistar rats in terms of bilirubin GT. The offsprings were all albino and were classified to Gunn-LA Wistar rats and heterozygous Gunn-LA Wistar rats by assaying their hepatic GT activities or by the appearance of jaundice. The linkage relationships between GT and coat color genes are discussed.
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