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Gene expression profiling of human placentas from preeclamptic and normotensive pregnancies.

Hansson, Stefan LU ; Chen, Y; Brodszki, Jana LU ; Chen, M; Hernandez-Andrade, Edgar LU ; Inman, J M; Kozhich, O A; Larsson, Irene LU ; Marsal, Karel LU and Medstrand, P, et al. (2006) In Molecular Human Reproduction 12(3). p.169-179
Abstract
The aim of this study was to investigate patterns of gene expression in placental samples from patients with preeclampsia (PE), persistent bilateral uterine artery notching (without PE), and normal controls. This study included placental tissue from nine women with PE, seven with uncomplicated pregnancies and five with bilateral uterine artery notching in Doppler velocimetry tracings. Human cDNA microarrays with 6500 transcripts/genes were used and the results verified with real-time PCR and in-situ hybridization. Multidimensional scaling method and random permutation technique demonstrated significant differences among the three groups examined. Within the 6.5K arrays, 6198 elements were unique cDNA clones representing 5952 unique... (More)
The aim of this study was to investigate patterns of gene expression in placental samples from patients with preeclampsia (PE), persistent bilateral uterine artery notching (without PE), and normal controls. This study included placental tissue from nine women with PE, seven with uncomplicated pregnancies and five with bilateral uterine artery notching in Doppler velocimetry tracings. Human cDNA microarrays with 6500 transcripts/genes were used and the results verified with real-time PCR and in-situ hybridization. Multidimensional scaling method and random permutation technique demonstrated significant differences among the three groups examined. Within the 6.5K arrays, 6198 elements were unique cDNA clones representing 5952 unique UniGenes and 5695 unique LocusLinks. Multidimensional scaling plots showed 5000 genes that met our quality criteria; among these, 366 genes were significantly different in at least one comparison. Differences in three genes of interest were confirmed with real-time PCR and in-situ hybridization; acid phosphatase 5 was shown to be overexpressed in PE samples and calmodulin 2 and v-rel reticuloendotheliosis viral oncogene homolog A (RELA) were downregulated in PE and uterine artery notch placentas. In conclusion downregulation of RELA and calmodulin 2 might represent an attempt by the placenta to compensate for elevations in intracellular calcium, possibly caused by hypoxia and/or apoptosis, in both pregnancies with uterine artery notching and preeclampsia. (Less)
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Contribution to journal
publication status
published
subject
keywords
Doppler ultrasound, hypertension, microarray, placenta, pregnancy
in
Molecular Human Reproduction
volume
12
issue
3
pages
169 - 179
publisher
Oxford University Press
external identifiers
  • pmid:16556680
  • wos:000236809000005
  • scopus:33645814405
ISSN
1460-2407
DOI
10.1093/molehr/gal011
language
English
LU publication?
yes
id
263d7128-405b-490e-a71f-072cb18a80f9 (old id 154439)
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http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16556680&dopt=Abstract
date added to LUP
2007-07-12 15:56:13
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2019-03-27 01:39:30
@article{263d7128-405b-490e-a71f-072cb18a80f9,
  abstract     = {The aim of this study was to investigate patterns of gene expression in placental samples from patients with preeclampsia (PE), persistent bilateral uterine artery notching (without PE), and normal controls. This study included placental tissue from nine women with PE, seven with uncomplicated pregnancies and five with bilateral uterine artery notching in Doppler velocimetry tracings. Human cDNA microarrays with 6500 transcripts/genes were used and the results verified with real-time PCR and in-situ hybridization. Multidimensional scaling method and random permutation technique demonstrated significant differences among the three groups examined. Within the 6.5K arrays, 6198 elements were unique cDNA clones representing 5952 unique UniGenes and 5695 unique LocusLinks. Multidimensional scaling plots showed 5000 genes that met our quality criteria; among these, 366 genes were significantly different in at least one comparison. Differences in three genes of interest were confirmed with real-time PCR and in-situ hybridization; acid phosphatase 5 was shown to be overexpressed in PE samples and calmodulin 2 and v-rel reticuloendotheliosis viral oncogene homolog A (RELA) were downregulated in PE and uterine artery notch placentas. In conclusion downregulation of RELA and calmodulin 2 might represent an attempt by the placenta to compensate for elevations in intracellular calcium, possibly caused by hypoxia and/or apoptosis, in both pregnancies with uterine artery notching and preeclampsia.},
  author       = {Hansson, Stefan and Chen, Y and Brodszki, Jana and Chen, M and Hernandez-Andrade, Edgar and Inman, J M and Kozhich, O A and Larsson, Irene and Marsal, Karel and Medstrand, P and Xiang, C C and Brownstein, M J},
  issn         = {1460-2407},
  keyword      = {Doppler ultrasound,hypertension,microarray,placenta,pregnancy},
  language     = {eng},
  number       = {3},
  pages        = {169--179},
  publisher    = {Oxford University Press},
  series       = {Molecular Human Reproduction},
  title        = {Gene expression profiling of human placentas from preeclamptic and normotensive pregnancies.},
  url          = {http://dx.doi.org/10.1093/molehr/gal011},
  volume       = {12},
  year         = {2006},
}