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Oxidative Stress Alters the Integrity of Cell-Free mRNA Fragments Associated with Placenta-Derived Syncytiotrophoblast Microparticles

Rusterholz C. · Holzgreve W. · Hahn S.

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Laboratory for Prenatal Medicine, Department of Research, University Women’s Hospital, University of Basel, Basel, Switzerland

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Fetal Diagn Ther 2007;22:313–317

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Article / Publication Details

First-Page Preview
Abstract of Paper

Received: April 12, 2006
Accepted: July 20, 2006
Published online: March 15, 2007
Issue release date: June 2007

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 1

ISSN: 1015-3837 (Print)
eISSN: 1421-9964 (Online)

For additional information: http://www.karger.com/FDT

Abstract

Objectives: Cell-free fetal RNA from placental origin is present in the peripheral blood of pregnant women. Therefore, its qualitative analysis might provide insights into the physiological condition of the placenta. Here, we examine whether oxidative stress affects the integrity of placentally derived mRNA in vitro. Methods: Placental explants were cultured under normal or oxidative conditions, and the levels of placental and syncytiotrophoblast microparticle associated glyceraldehyde-3-phosphate dehydrogenase 3′ versus 5′ mRNA fragments were analyzed by real-time reverse-transcriptase polymerase chain reaction. Result: The relative ratio of 3′ to 5′ mRNA fragments associated with placental microparticles was significantly altered upon culture under oxidative stress. Conclusions: Our data suggest that oxidative stress reduces the levels of full-length, particle-associated glyceraldehyde-3-phosphate dehydrogenase mRNA transcripts released by the placenta. Therefore, analysis of the microparticle-coupled mRNA integrity in pregnant women might prove useful to diagnose disorders such as preeclampsia, where placental oxidative stress is involved.

© 2007 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Paper

Received: April 12, 2006
Accepted: July 20, 2006
Published online: March 15, 2007
Issue release date: June 2007

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 1

ISSN: 1015-3837 (Print)
eISSN: 1421-9964 (Online)

For additional information: http://www.karger.com/FDT


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