Decidualisation and placentation defects are a major cause of age-related reproductive decline

Laura Woods, Vicente Perez-Garcia, Jens Kieckbusch, Xiaoqiu Wang, Francesco DeMayo, Francesco Colucci and Myriam Hemberger ()
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Laura Woods: Babraham Research Campus
Vicente Perez-Garcia: Babraham Research Campus
Jens Kieckbusch: University of Cambridge School of Clinical Medicine, NIHR Cambridge Biomedical Research Centre, Addenbrooke’s Hospital
Xiaoqiu Wang: NIEHS
Francesco DeMayo: NIEHS
Francesco Colucci: University of Cambridge School of Clinical Medicine, NIHR Cambridge Biomedical Research Centre, Addenbrooke’s Hospital
Myriam Hemberger: Babraham Research Campus

Nature Communications, 2017, vol. 8, issue 1, 1-15

Abstract: Abstract Mammalian reproductive performance declines rapidly with advanced maternal age. This effect is largely attributed to the exponential increase in chromosome segregation errors in the oocyte with age. Yet many pregnancy complications and birth defects that become more frequent in older mothers, in both humans and mice, occur in the absence of karyotypic abnormalities. Here, we report that abnormal embryonic development in aged female mice is associated with severe placentation defects, which result from major deficits in the decidualisation response of the uterine stroma. This problem is rooted in a blunted hormonal responsiveness of the ageing uterus. Importantly, a young uterine environment can restore normal placental as well as embryonic development. Our data highlight the pivotal, albeit under-appreciated, impact of maternal age on uterine adaptability to pregnancy as major contributor to the decline in reproductive success in older females.

Date: 2017
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DOI: 10.1038/s41467-017-00308-x

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