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  • Title: Effect of pregnancy zone protein on leucocyte migration inhibition, lymphoycte transformation and rosette formation by lymphocytes.
    Author: Birkeland SA, Teisner B, Schilling W, Kemp E, Pedersen GT, Svehag SE.
    Journal: Acta Pathol Microbiol Scand C; 1979 Jun; 87C(3):235-40. PubMed ID: 90445.
    Abstract:
    Pregnancy zone protein from pregnancy serum and control preparations from male serum were tested in lymphocyte transformation tests, in a system for rosette formation by T and B lymphocytes and in leucocyte migration inhibition tests using PPD-induced inhibition. PZ-protein preparations caused a dose dependent inhibition of lymphocyte transformation after stimulation with PHA, PPD and MLC. Inhibition was most pronounced in the PHA-system. In the rosette tests there was a tendency for T lymphocytes to bind fewer SRBC after incubation with PZ-protein while no effect on B rosettes was observed. In contrast, PPD-induced inhibition of leucocyte migration was abrogated effectively by PZ-protein, but not by corresponding fractions from male serum.
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