Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions

The growing fetus is dependent on adequate placental function for delivery of essential nutrients and oxygen, and for waste removal. The placenta also plays an important protective role; shielding the developing baby from the maternal immune system and adverse environmental exposures. Fundamental to...

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Main Authors: Boris eNovakovic, Richard eSaffery
Format: Article
Language:English
Published: Frontiers Media S.A. 2013-12-01
Series:Frontiers in Genetics
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fgene.2013.00285/full
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author Boris eNovakovic
Richard eSaffery
Richard eSaffery
author_facet Boris eNovakovic
Richard eSaffery
Richard eSaffery
author_sort Boris eNovakovic
collection DOAJ
description The growing fetus is dependent on adequate placental function for delivery of essential nutrients and oxygen, and for waste removal. The placenta also plays an important protective role; shielding the developing baby from the maternal immune system and adverse environmental exposures. Fundamental to these processes is correct invasion of the decidua and remodelling of maternal vasculature, each of which show remarkable parallels to tumourogenesis, with the obvious exception that the former is usually a tightly controlled process. It is not surprising that these physiological similarities are mirrored in gene expression and epigenetic parallels, many not found in any other aspect of human development. In this perspective, we summarise known DNA methylation similarities between placenta and human tumours, and discuss the implications and knowledge gaps associated with these findings. We also speculate on the potential origin of common DNA methylation features in these two disparate aspects of human physiology.
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spelling doaj.art-f9333de0297e4583bb33abb1208643c72022-12-22T02:38:09ZengFrontiers Media S.A.Frontiers in Genetics1664-80212013-12-01410.3389/fgene.2013.0028567568Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directionsBoris eNovakovic0Richard eSaffery1Richard eSaffery2Murdoch Childrens Research InstituteMurdoch Childrens Research InstituteUniversity of MelbourneThe growing fetus is dependent on adequate placental function for delivery of essential nutrients and oxygen, and for waste removal. The placenta also plays an important protective role; shielding the developing baby from the maternal immune system and adverse environmental exposures. Fundamental to these processes is correct invasion of the decidua and remodelling of maternal vasculature, each of which show remarkable parallels to tumourogenesis, with the obvious exception that the former is usually a tightly controlled process. It is not surprising that these physiological similarities are mirrored in gene expression and epigenetic parallels, many not found in any other aspect of human development. In this perspective, we summarise known DNA methylation similarities between placenta and human tumours, and discuss the implications and knowledge gaps associated with these findings. We also speculate on the potential origin of common DNA methylation features in these two disparate aspects of human physiology.http://journal.frontiersin.org/Journal/10.3389/fgene.2013.00285/fullDNA MethylationEpigenomicsTrophoblastscancer invasionhypermethylationglobal hypomethylation
spellingShingle Boris eNovakovic
Richard eSaffery
Richard eSaffery
Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
Frontiers in Genetics
DNA Methylation
Epigenomics
Trophoblasts
cancer invasion
hypermethylation
global hypomethylation
title Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
title_full Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
title_fullStr Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
title_full_unstemmed Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
title_short Placental pseudo-malignancy from a DNA methylation perspective: unanswered questions and future directions
title_sort placental pseudo malignancy from a dna methylation perspective unanswered questions and future directions
topic DNA Methylation
Epigenomics
Trophoblasts
cancer invasion
hypermethylation
global hypomethylation
url http://journal.frontiersin.org/Journal/10.3389/fgene.2013.00285/full
work_keys_str_mv AT borisenovakovic placentalpseudomalignancyfromadnamethylationperspectiveunansweredquestionsandfuturedirections
AT richardesaffery placentalpseudomalignancyfromadnamethylationperspectiveunansweredquestionsandfuturedirections
AT richardesaffery placentalpseudomalignancyfromadnamethylationperspectiveunansweredquestionsandfuturedirections