Abstract
Purpose
To identify the role of both genetic (number of CGG repeats in the FMR1 gene) and autoimmune factors (anti-ovarian antibodies) in premature ovarian failure (POF).
Methods
In cross-sectional study, 78 women with POF were divided into 3 groups by the number of CGG repeats (less than 28, 28–36, more than 36) in any of the FMR1 gene alleles. We performed the detection of skewed X-chromosome inactivation, CGG repeats in the FMR1 gene, anti-ovarian antibodies (AOA) and sex hormones tests.
Results
Compared to a higher or lower number of CGG repeats the 28–36 triple CGG counts are strongly associated with the AOA detection (RR = 19.23, 95 % CI = 2.63–100.0). The women with autoimmune-driven POF have significantly higher anti-Mullerian hormone levels in comparison to women with non-autoimmune-driven POF.
Conclusion
The presence of AOA above 10 IU/mL is associated with the normal number of CGG repeats in regard to ovarian reserve and a better preservation of follicular primordial pool in the women with POF.
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Acknowledgements
Funding for this study was provided by Ministry of Health of the Russian Federation (grant # 2010-06 reg. #01201066000).
The authors thank Tatyana Y. Ivanets, M.D., Ph.D., the Chief of Scientific-Diagnostic Laboratory of the RCOGP for the assistance in the implementation of the study.
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The authors report no financial or commercial conflicts of interest
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Detection of anti-ovarian antibodies is associated with the normal number of CGG repeats in regard to ovarian reserve and a better preservation of follicular primordial pool in the women with premature ovarian failure.
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Shamilova, N.N., Marchenko, L.A., Dolgushina, N.V. et al. The role of genetic and autoimmune factors in premature ovarian failure. J Assist Reprod Genet 30, 617–622 (2013). https://doi.org/10.1007/s10815-013-9974-4
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DOI: https://doi.org/10.1007/s10815-013-9974-4