期刊
JOURNAL OF REPRODUCTIVE IMMUNOLOGY
卷 112, 期 -, 页码 29-33出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jri.2015.05.006
关键词
Oocyte donation; Preeclampsia; Miscarriage; Human leukocyte antigen; KIR; Mismatches
Oocyte donation (OD) enables women with various causes of reproductive failure to conceive, but is accompanied by a high risk of certain pregnancy disorders. Possibly, the allogeneic nature of the fetus in OD pregnancies plays a role in the development of these disorders. In this study, we investigated whether there is a selection for some degree of HLA matching in successful and uncomplicated OD pregnancies. Mothers and children from OD pregnancies that used unrelated donors (n = 75) were typed for HLA-A, -B, -C, -DR, and -DQ and the observed number of HLA matches of the child was compared with the expected number of HLA matches. Moreover, we studied the possibility of a preferential selection for maternal KIR and fetal C combinations. We observed a significantly higher level of HLA matching between mother and child than expected by chance. In particular, the incidence of children with 5 or more HLA matches, which is the situation in autologous pregnancy, was higher than expected. A higher level of matching was shown, especially for HLA class I, while no significant differences were observed for the individual HLA loci. With respect to maternal KIR and fetal HLA-C no selection for a favorable combination was found. Larger observational studies including uncomplicated, preeclamptic, and aborted pregnancies are essential to determine to what extent HLA matching affects the outcome of OD pregnancies. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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