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  • Title: [Comparative study of the third party and paternal leukocyte immunization in recurrent spontaneous abortion of lowered maternal-fetal immuno-recognition].
    Author: Li D, Li C, Zhu Y.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 1998 Oct; 33(10):597-600. PubMed ID: 10806684.
    Abstract:
    OBJECTIVE: To compare curative effect of leukocyte immunization to recurrent spontaneous aborters(RSA) with lowered maternal-fetal immuno-recognition between transfusions of the third party leukocyte-rich erythrocyte concentrates and injections of paternal leukocytes. METHODS: Forty RSA patients with lack of blocking antibodies were randomly divided into two groups. Blocking antibodies were analysed by one-way mixed lymphocyte reaction blocking test and complement-dependent cytotoxic test, anti-idiotypic antibodies to blocking antibodies by one-way mixed lymphocyte reaction blocking inhibiting test, and flow cytometry evaluation of blocking antibodies were used to investigate effect of blocking antibodies on the CD antigens of T cells. The immunization was achieved by transfusions of the third party leukocytes or injections of the paternal leukocytes for 3 times or more at an interval of 4 weeks. RESULTS: It was found in dynamical analyses that levels of the blocking antibodies and their anti-idiotypic antibodies increased significantly after the aborters had been immunized. The successful pregnancy rate was 86.2% following immunization, and body weight of the infants was 3,300 +/- 116 g(x +/- s), with no significant difference to 3,279.0 +/- 113.8 g of the infants from normal pregnancy. According to dynamics of blocking antibodies and their anti-idiotypic antibodies, the paternal leukocyte immunotherapy appeared superior to the third party one, but the successful pregnancy rate and the body weight of infants were with not different between the two immunotherapy groups. CONCLUSION: The third party and paternal leukocyte immunization could effectively stimulate the aborters of lowered maternal-fetal immuno-recognition to produce blocking antibodies and their anti-idiotypic antibodies, leading to successful pregnancy. The immunotherapy does not apparently influence the body weight of the delivered infants.
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