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Open AccessJournal ArticleDOI

Epigenetics and the placenta

TLDR
Epigenetic regulation of the placenta evolves during preimplantation development and further gestation and appears to be involved in the pathogenesis of pre-eclampsia and GTD.
Abstract
results: Epigenetic regulation of the placenta evolves during preimplantation development and further gestation. Epigenetic marks, like DNA methylation, histone modifications and non-coding RNAs, affect gene expression patterns. These expression patterns, including the important parent-of-origin-dependent gene expression resulting from genomic imprinting, play a pivotal role in proper fetal and placental development. Disturbed placental epigenetics has been demonstrated in cases of intrauterine growth retardation and small for gestational age, and also appears to be involved in the pathogenesis of pre-eclampsia and GTD. Several environmental effects have been investigated so far, e.g. ethanol, oxygen tension as well as the effect of several aspects of assisted reproduction technologies on placental epigenetics. conclusions: Studies in both animals and humans have made it increasingly clear that proper epigenetic regulation of both imprinted and non-imprinted genes is important in placental development. Its disturbance, which can be caused by various environmental factors, can lead to abnormal placental development and function with possible consequences for maternal morbidity, fetal development and disease susceptibility in later life.

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Changes in gene expression in rat placenta at gestational day 16.5 in response to hyperglycemia.

TL;DR: In this paper , the placenta from hyperglycemic STZ-treated rats was about 20% heavier than that of controls, and the relative thickness of each layer of the Placenta was also significantly different on gestational day (GD) 16.5.
Journal ArticleDOI

Associations between antenatal maternal asthma status and placental DNA methylation

- 01 Aug 2022 - 
TL;DR: In this paper , the authors performed epigenome-wide association analyses to estimate associations between maternal active or inactive asthma, as compared to never asthma, and placental differentially methylated positions (DMPs) and differentially variable positions, and found that BMP4, LHPP, PHYHIPL and ZSCAN23 were associated with multiple DMPs.
Journal ArticleDOI

Epigenetic mechanisms in physiologic and pathologic pregnancies

TL;DR: The so-called fetal programming may also highlight a tight connection between pathological conditions in pregnancy, environmental factors and the development of chronic diseases in adulthood as mentioned in this paper, which may yield new possibilities for the prevention of chronic disease affecting a significant part of the population.
Journal ArticleDOI

Comparing endometrial preparation methods in frozen embryo transfers - Does a previous live birth make a difference?

TL;DR: In this paper , the authors investigate frozen embryo transfer outcomes in women undergone medicated or natural endometrial preparation, with adjustment to the history of previous live birth, and find that there is no difference in live birth rate (LBR) between medicated-FET and natural FET groups regardless of the previous fertility outcome (p = 0.08).
References
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Journal ArticleDOI

DNA methylation patterns and epigenetic memory

TL;DR: The heritability of methylation states and the secondary nature of the decision to invite or exclude methylation support the idea that DNA methylation is adapted for a specific cellular memory function in development.
Journal ArticleDOI

DNA methyltransferases Dnmt3a and Dnmt3b are essential for de novo methylation and mammalian development.

TL;DR: It is demonstrated that two recently identified DNA methyltransferases, DnMT3a and Dnmt3b, are essential for de novo methylation and for mouse development and play important roles in normal development and disease.
Book

Vitamin D

TL;DR: In what case do you like reading so much? What about the type of the vitamin d the calcium homeostatic steroid hormone book? The needs to read? Well, everybody has their own reason why should read some books as discussed by the authors.
Journal ArticleDOI

Targeted mutation of the DNA methyltransferase gene results in embryonic lethality.

TL;DR: Results indicate that while a 3-fold reduction in levels of genomic m5C has no detectable effect on the viability or proliferation of ES cells in culture, a similar reduction of DNA methylation in embryos causes abnormal development and embryonic lethality.
Journal ArticleDOI

The Transcriptional Landscape of the Mammalian Genome

Piero Carninci, +197 more
- 02 Sep 2005 - 
TL;DR: Detailed polling of transcription start and termination sites and analysis of previously unidentified full-length complementary DNAs derived from the mouse genome provide a comprehensive platform for the comparative analysis of mammalian transcriptional regulation in differentiation and development.
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