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Development of decidual cell polyploidy and bi-nucleation necessitates mitochondrial activity

ABSTRACT: In the present study, to better define the aspects of decidual cell polyploidy, we isolated pure polyploid and non-polyploid decidual cell populations from the in vivo decidual bed. Three independent RNA pools prepared for each population were then subjected to the Affymetrix gene chip analysis for the whole mouse genome transcripts. Our data revealed up-regulation of 1015 genes and down-regulation of 1207 genes in the polyploid populations, as compared to the non-polyploid group.

ORGANISM(S): Mus musculus

PROVIDER: GSE28917 | GEO | 2011/04/29

SECONDARY ACCESSION(S): PRJNA140573

REPOSITORIES: GEO

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Development of decidual cell polyploidy and bi-nucleation necessitates mitochondrial activity

Project description:In the present study, to better define the aspects of decidual cell polyploidy, we isolated pure polyploid and non-polyploid decidual cell populations from the in vivo decidual bed. Three independent RNA pools prepared for each population were then subjected to the Affymetrix gene chip analysis for the whole mouse genome transcripts. Our data revealed up-regulation of 1015 genes and down-regulation of 1207 genes in the polyploid populations, as compared to the non-polyploid group. We analyzed whole gnenome transcription from non-polyploid and polyploid cell populations using the Affymetrix GeneChip® Mouse Gene 1.0 ST Array . 3 replicates were performed.

2011-04-29 | E-GEOD-28917 | biostudies-arrayexpress

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Proteomic profiling of human decidual immune proteins during Toxoplasma gondii infection

Project description:A Toxoplasma gondii infection during pregnancy can result in spontaneous abortion, preterm labor, or congenital fetal defects. The decidual immune system plays a critical role in regulating the immune micro-environment and in the induction of immune tolerance. To better understand the factors that mediate the decidual immune response associated with the T. gondii infection, a large-scale study employing TMT proteomics was conducted to characterize the differential decidual immune proteomes from infected and uninfected human decidual immune cells samples. The decidual immune cells from 105 human voluntary abortion tissues were purified, and of the 5510 unique proteins identified, 181 proteins were found to be differentially abundant (>1.2-fold cutoff, P＜0.05) in the T. gondii-infected decidual immune cells. 11 proteins of 181 differentially expressed proteins associated with trophoblast invasion, placental development, intrauterine fetal growth, and immune tolerance were verified using a quantitative real-time polymerase chain reaction and western blotting. This systematic research identified a broad range of immune factors in human decidual immune cells, shedding a new insight into the decidual immune molecular mechanism for abnormal pregnancy outcomes associated with T. gondii infection.

2018-07-27 | PXD008448 | Pride

Expression data from CD11cHI and CD11cLO decidual macrophage populations.

Project description:Decidual macrophage populations, CD11cHI and CD11cLO cells were analyzed for expression profiles and unique characteristics. We used microarrays to detail the global program of gene expression and to determine differences between these two unique decidual macrophage populations. First trimester decidual tissue was digested in order to release immune cells. Cells were stained for CD14 and CD11c and purified by MoFlo sorting. Cells were immediately lysed for RNA extraction and hybridization on Affymetrix microarrays. We utilized 8 patient paired samples (total of 16 microarrays).

2011-05-23 | E-GEOD-22342 | biostudies-arrayexpress

Transcriptomic Drivers of Differentiation, Maturation, and Polyploidy in Human Extravillous Trophoblast [SNP array]

Project description:During pregnancy, normal extravillous trophoblast (EVT) invade the endomyometrium of the maternal uterus and remodel the spiral arteries to control blood supply and nutrient transfer. Recent reports have described first trimester EVT as polyploid and senescent. Here we extend these earlier reports by performing comprehensive profiling of the genomic organization and transcriptome of first trimester EVT and term EVT. We define pathways and gene regulatory networks involved in both initial differentiation and maturation of this important trophoblast lineage at the maternal-fetal interface. Our results suggest that like first trimester EVT, term EVT undergo senescence and endoreduplication, are primarily tetraploid, and lack high rates of copy number variations. Additionally, we have highlighted senescence and polyploidy-related genes, pathways, networks, and transcription factors that appeared to be important in normal EVT differentiation and maturation and have validated a critical role for the unfolded protein response in EVT differentiation.

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Transcriptomic Drivers of Differentiation, Maturation, and Polyploidy in Human Extravillous Trophoblast [RNA-seq]

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Human decidual macrophage clustering

Project description:First trimester decidual macrophages were clustered into three subpopulations by CCR2 and CD11c

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Transcriptional and Functional Programming of Decidual Innate Lymphoid Cells

Project description:A successful pregnancy requires many physiological adaptations from the mother, including the establishment of tolerance towards the semiallogeneic fetus. Innate lymphoid cells (ILCs) have arisen as important players in immune regulation and tissue homeostasis at mucosal and barrier surfaces. Dimensionality reduction and transcriptomic analysis revealed the presence of two novel CD56Bright decidual ILCs, C10 and C2, that express divergent levels of Eomes. We found that decidual C10, C2, and cNKs correlated highly with previously identified first trimester decidual dNKs (dNK1-3). Functional analysis revealed polyfunctional profiles that depend on the nature of the stimulus, with a preference for IFNgamma and VEGF production. Overall, our data suggests persistence of pregnancy-specific decidual innate lymphocytes across pregnancy.

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Transcription profiling of human decidual macrophages

Project description:Uterine macrophages are thought to play an important regulatory role at the maternal-fetal interface. We report here a unique gene expression pattern intrinsic of first trimester decidual monocytes/macrophages, but not of their blood counterparts. The micro-array data comprises approximately 14,000 genes. Some of the key findings were confirmed by real time PCR or secreted protein measurements. A large number of regulated genes were found to be functionally related to immunomodulation and tissue remodelling, corroborating polarization patterns of differentiated macrophages of M2 phenotype. These include M2 markers such as CCL-18, CD209, insulin-like growth factor (IGF)-1, mannose receptor c type (MRC)-1 and fibronectin-1. Further, the selective up-regulation of triggering receptor expressed on myeloid cells (TREM)-2, alpha-2-macroglobulin (A2M) and prostaglandin D2 synthase (PGDS) provides new insights into the regulatory function of decidual macrophages in pregnancy. In addition, a large number of regulated genes in the micro-array analysis were related to cell cycle regulation. Taken together, molecular characterization of decidual macrophages presents a unique transcriptional profile replete with important components for fetal immunoprotection. Experiment Overall Design: Comparative expression analyis of CD14+ cells isolated either from blood or decidua. Decidual tissue and blood was obtained from eleven women between 18 and 41 years of age

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