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Endocrinology
Article
Data sources: UnpayWall
Endocrinology
Article . 2014 . Peer-reviewed
Data sources: Crossref
Endocrinology
Article . 2014
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NDRG1 Deficiency Attenuates Fetal Growth and the Intrauterine Response to Hypoxic Injury

Authors: Jacob, Larkin; Baosheng, Chen; Xiao-Hua, Shi; Takuya, Mishima; Koichi, Kokame; Yaacov, Barak; Yoel, Sadovsky;

NDRG1 Deficiency Attenuates Fetal Growth and the Intrauterine Response to Hypoxic Injury

Abstract

Intrauterine mammalian development depends on the preservation of placental function. The expression of the protein N-myc downstream-regulated gene 1 (NDRG1) is increased in placentas of human pregnancies affected by fetal growth restriction and in hypoxic primary human trophoblasts, where NDRG1 attenuates cell injury. We sought to assess the function of placental NDRG1 in vivo and tested the hypothesis that NDRG1 deficiency in the mouse embryo impairs placental function and consequently intrauterine growth. We found that Ndrg1 knock-out embryos were growth restricted in comparison to wild-type or heterozygous counterparts. Furthermore, hypoxia reduced the survival of female, but not male, knock-out embryos. Ndrg1 deletion caused significant alterations in placental gene expression, with a marked reduction in transcription of several lipoproteins in the placental labyrinth. These transcriptional changes were associated with reduced fetal:maternal serum cholesterol ratio exclusively in hypoxic female embryos. Collectively, our findings indicate that NDRG1 promotes fetal growth and regulates the metabolic response to intrauterine hypoxic injury in a sexually dichotomous manner.

Keywords

Male, Mice, Knockout, Fetal Growth Retardation, Genotype, Transcription, Genetic, Lipoproteins, Placenta, Intracellular Signaling Peptides and Proteins, Cell Cycle Proteins, Fetal Development, Mice, Apolipoproteins, Cholesterol, Sex Factors, Pregnancy, Animals, Female, Hypoxia, Gene Deletion, In Situ Hybridization

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    12
    popularity
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    Top 10%
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Powered by OpenAIRE graph
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Top 10%
Average
Top 10%
bronze