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Analysis of human leukocyte antigen (HLA)-G polymorphism in normal women and in women with recurrent spontaneous abortions
Article first published online: 16 NOV 2004
DOI: 10.1111/j.1365-2370.2004.00487.x
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How to Cite
Abbas, A., Tripathi, P., Naik, S. and Agrawal, S. (2004), Analysis of human leukocyte antigen (HLA)-G polymorphism in normal women and in women with recurrent spontaneous abortions. European Journal of Immunogenetics, 31: 275–278. doi: 10.1111/j.1365-2370.2004.00487.x
Publication History
- Issue published online: 16 NOV 2004
- Article first published online: 16 NOV 2004
- Received 4 April 2004; revised 6 August 2004; accepted 20 September 2004
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Summary
Human leukocyte antigen (HLA)-G is a non-classical class I antigen. It has limited expression, but is high at the foetomaternal interface. This unique expression pattern of HLA-G suggests that it might be important for survival of the foetus during pregnancy. In the present study, 120 women with recurrent spontaneous abortions (RSA) and 120 fertile control women were genotyped for the HLA-G locus. This is the first report describing HLA-G polymorphism in normal fertile and RSA women from India. The allele HLA-G*010103 was higher in women with recurrent foetal losses. Interestingly, the HLA-G*010105 and G*010108 alleles were totally absent in normal fertile women but present in RSA women with frequencies of 1.7% and 0.4%, respectively. Allele G*010107 was absent in both the groups. The frequency of the null allele G*0105N was high (13.8%) in our population as compared to other world populations. Our data support the hypothesis that HLA-G polymorphism may contribute to recurrent foetal loss.