The Relationship of Maternal KIR and Parental HLA-C Genes With Risk of Recurrent Spontaneous Abortion: A Regional Study in Lorestan Province, Iran

Akbari, Soheila and Ahmadi, Seyyed Amir Yasin and Shahsavar, Farhad (2018) The Relationship of Maternal KIR and Parental HLA-C Genes With Risk of Recurrent Spontaneous Abortion: A Regional Study in Lorestan Province, Iran. CRESCENT JOURNAL OF MEDICAL AND BIOLOGICAL SCIENCES, 5 (3). pp. 194-197.

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Abstract

Objectives: Natural killer cells (NKs) are one of the most important cells which play a key role in fetomaternal immune tolerance. This immune tolerance is induced by the interaction of fetal human leucocyte antigens (HLAs) and maternal killer-cell immunoglobulin-like receptors (KIRs). Hence, we intended to investigate the relationship of maternal KIR, parental HLA-C, and maternal-parental KIR+HLA-C with the risk of recurrent spontaneous abortion (RSA). Materials and Methods: The present regional study in Lorestan province of Iran was conducted as a case-control study on 200 couples. Polymerase chain reaction with sequence-specific primers (PCR-SSP) was used in order to detect genes. Results: A significant correlation was found for maternal KIR2DS1 in combination with paternal HLA-C2 (P=0.0089; OR=2.25). Likewise, a significant relation was found for maternal C1C2 in combination with paternal C1 or C2 (P=0.0289; OR=2.25). No significant relation was found for KIR genes alone. Conclusions: Our study showed a significant relation for maternal KIR2DS1 in combination with paternal HLA-C2 as a risk factor in our region. Investigations on this combination for increasing the success rate of assisted reproduction, for first trimester abortions occurring after implantation and early placentation, for stillbirth groups, and for successful and unsuccessful pregnancies with malformed embryos and fetuses are suggested.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine, Health and Life Sciences > School of Medicine
Depositing User: sobhan rezaiian
Date Deposited: 20 Aug 2018 06:55
Last Modified: 20 Aug 2018 06:55
URI: http://eprints.lums.ac.ir/id/eprint/1343

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