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  • Title: Natural killer (NK) cells and interferon in Friend-virus-infected susceptible and resistant mice.
    Author: Hertenstein B, Kreja L, Seidel HJ.
    Journal: Exp Hematol; 1984 Aug; 12(7):603-9. PubMed ID: 6204881.
    Abstract:
    Natural killer (NK) cells, as determined by the lysis of YAC-1 and Eveline target cells, were determined in F-MuLV-P susceptible DBA/2 and resistant C57/Bl/6 and in beige mice. No difference was found between DBA/2 and C57/Bl/6 mice. Spleens from beige mice showed, as expected, a much lower lysis. The NK cell activity and interferon levels were also studied in these mice after F-MuLV-P infection. Peak NK activities of spleen cells against both target cell types were found at day 3; peak interferon levels were detected in the serum 24 h after infection in all three strains. At day 12, the splenic NK cell activity remained above control levels only in C57/Bl/6 mice. Beige mice were as resistant to Friend leukemia development as C57/Bl/6 mice. The injection of endotoxin, which makes C57/Bl/6 mice virus-susceptible, was followed by increased NK cell activity. The significance of the NK cell system for the resistance of C57/Bl/6 mice against the development of Friend leukemia is discussed.
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