2015
DOI: 10.1038/ng.3412
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Large-scale genomic analyses link reproductive aging to hypothalamic signaling, breast cancer susceptibility and BRCA1-mediated DNA repair

Abstract: Menopause timing has a substantial impact on infertility and risk of disease, including breast cancer, but the underlying mechanisms are poorly understood. We report a dual strategy in ~70,000 women to identify common and low-frequency protein-coding variation associated with age at natural menopause (ANM). We identified 44 regions with common variants, including two harbouring additional rare missense alleles of large effect. We found enrichment of signals in/near genes involved in delayed puberty, highlighti… Show more

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Cited by 377 publications
(293 citation statements)
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“…A recent large scale genomic analysis by Day et al (Day et al, 2015) extended the findings of a prior genome-wide association study (Stolk et al, 2012) and showed that genetic variants in several DNA repair enzymes, including BRCA1, are associated with age at menopause in large populations, providing further evidence for the importance of DNA repair processes in determining reproductive lifespan. Oocyte meiosis is characterized by very prolonged arrest at meiosis I, from fetal life until ovulation which might be decades later.…”
Section: Discussionmentioning
confidence: 80%
“…A recent large scale genomic analysis by Day et al (Day et al, 2015) extended the findings of a prior genome-wide association study (Stolk et al, 2012) and showed that genetic variants in several DNA repair enzymes, including BRCA1, are associated with age at menopause in large populations, providing further evidence for the importance of DNA repair processes in determining reproductive lifespan. Oocyte meiosis is characterized by very prolonged arrest at meiosis I, from fetal life until ovulation which might be decades later.…”
Section: Discussionmentioning
confidence: 80%
“…Related studies previously focussed on reproductive life span 42,43 , age at first sexual intercourse 11 and more proximal infertility phenotypes, 24 largely overlooking AFB and NEB. The rapid postponement of AFB and increased infertility and involuntary childlessness in many societies 7 makes it important to uncover the genetic and biological architecture of reproduction.…”
Section: Discussionmentioning
confidence: 99%
“…Early age at natural menopause was highly correlated with four common BRCA1 variants; however, all four are considered “not clinically important” for hereditary breast and ovarian cancer risk. (47) These findings could suggest a potential for misclassification bias since most studies include only women with deleterious mutations in the affected group. Additionally, the authors identified 15 signals involving various DNA repair mechanisms.…”
Section: Discussionmentioning
confidence: 99%