Journal
NATURE COMMUNICATIONS
Volume 8, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-017-00308-x
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Funding
- Biotechnology and Biological Sciences Research Council [BB/J004499/1]
- Centre for Trophoblast Research, University of Cambridge, UK
- Medical Research Council
- Next-Generation Fellowship - Centre for Trophoblast Research, University of Cambridge, UK
- Biotechnology and Biological Sciences Research Council [BBS/E/B/0000C225, BBS/E/B/000C0421, BBS/E/B/000M0796, BBS/E/B/000C0400, BBS/E/B/000C0422, BBS/E/B/000C0424, BBS/E/B/000C0425] Funding Source: researchfish
- Medical Research Council [1425742, 1515935] Funding Source: researchfish
- Rosetrees Trust [M656] Funding Source: researchfish
- BBSRC [BBS/E/B/000C0424, BBS/E/B/000C0400, BBS/E/B/000C0422, BBS/E/B/000M0796, BBS/E/B/0000C225, BBS/E/B/000C0425, BBS/E/B/000C0421] Funding Source: UKRI
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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.
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