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  • Title: Seasonal modulation of interferon response in spotted sousliks (Spermophilus suslicus).
    Author: Kandefer-Szerszeń M, Meczyński S, Borowska L, Szuster-Ciesielska A, Rzeski W.
    Journal: Arch Immunol Ther Exp (Warsz); 1994; 42(5-6):425-31. PubMed ID: 8572902.
    Abstract:
    Interferon production in spotted sousliks in different physiological states: in summer activity, summer torpor, winter hibernation and awaked from winter hibernation was studied. Three different interferon inducers: poly rI:rC complexed with DEAE-dextran, lipopolysaccharide from E. coli (LPS) and tilorone hydrochloride were used. In comparison with sousliks active in summer, the interferon levels in serum and different organs of sousliks in winter hibernation after induction with tilorone hydrochloride, LPS and poly rI:rC were significantly lower. Decreased interferon response was also observed in sousliks in summer torpor and awaked from winter hibernation. In contrast to hibernation, artificial acidosis induced by placing sousliks in the atmosphere with a high concentration of CO2 enhanced interferon production.
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