期刊
HUMAN REPRODUCTION
卷 20, 期 2, 页码 402-412出版社
OXFORD UNIV PRESS
DOI: 10.1093/humrep/deh635
关键词
FMR1 gene; menopause; ovarian failure; premutation
资金
- NCRR NIH HHS [M0-1-RR00039] Funding Source: Medline
- NICHD NIH HHS [HD40637, HD29909, HD35576] Funding Source: Medline
Background: Women who carry the FMR1 premutation allele have a significantly increased risk for ovarian dysfunction. We hypothesize that molecular characteristics of the FMR1 gene may explain this increased risk. Methods: Thus, we examined the effect of FMR1 CGG repeat size and related factors on measures of ovarian dysfunction using data from 507 women with a wide range of repeat sizes. Results and Conclusions: We found a significant positive association of repeat size with ovarian dysfunction, but have preliminary evidence that this relationship is non-linear. We suggest that FMR1 repeat size in the lower range (<80 repeats) contributes to the variation in age at menopause; thus, FMR1 could be considered a quantitative trait locus. More importantly, when repeat size exceeds this threshold, the increase in risk for ovarian dysfunction is clinically significant. Intriguingly, this risk appears to plateau, or perhaps decrease, among women with very high repeats (greater than or equal to100 repeats).
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