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  • Title: Serum allotypes in ovarian follicular fluids of pigs.
    Author: Matousek J, Hojný J, Janik A.
    Journal: Anim Genet; 1986; 17(2):169-74. PubMed ID: 3740552.
    Abstract:
    Sera and ovarian follicular fluids of 158 sows were tested with 27 allotype reagents. Immunodiffusion in agar gel (microtest) and haemagglutination inhibition were used as detection methods. Out of eight 'individual' (Lpb 1,-2,-3,-4,-5,-6,-7,-9) and four 'common' (Lpb 12,-13,-14,-16) specificities of serum beta-lipoproteins (LDL), 11 were present in sera, but none in follicular fluids. On the other hand, Lpr 1 and Lpr (x) allotypes of the VHDL + VLDL beta-lipoprotein system were detected both in sera and in follicular fluids. Of four antigens of the Gp system (Gp A,-a, -B,-b), only the 'dominant' characters, Gp A and Gp B, occurred in the follicular fluid. The typing of polymorphic IgG immunoglobulins (IgG-a or IgG-b system) showed that B1 or A2, B2 or A1 and B3 or A(x) allotypes could be detected both in serum and follicular fluid. Among allotypes that were not yet genetically classified, only the P3 specificity was not found in the population tested. The G1 allotype (preliminarily described as an alpha-globulin) was present in sera only, and the remaining allotypes, G9, P1, P16 and P23 (alpha- or beta-globulins) were present both in sera and follicular fluids. The mechanism of the transmission of serum proteins into ovarian follicles and their possible importance is discussed.
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