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Molecular pathways reflecting poor intrauterine growth are imprinted in WhartonM-bM-^@M-^Ys jelly derived Mesenchymal Stem Cells [Set2]

ABSTRACT: In order to identify gene-expression patterns in mesenchymal stem cells associated with different birth weights and intrauterine growth parameters, we conducted comparative microarray gene expression experiments prior and post acute insulin stimulation Mesenchymal stem cells (MSC) were extracted from the Wharton's jelly of the umbilical cord of normal and SGA babies. The MSCs were expended in culture. The MSCs were subjected to acute insulin treatment for various time points. The RNA of these cells were collected for gene-expression study.

ORGANISM(S): Homo sapiens

SUBMITTER: Joanna Holbrook

PROVIDER: E-GEOD-52842 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Molecular pathways reflecting poor intrauterine growth are imprinted in WhartonM-bM-^@M-^Ys jelly derived Mesenchymal Stem Cells [set4]

Project description:In order to identify gene-expression patterns in mesenchymal stem cells associated with different birth weights and intrauterine growth parameters, we conducted comparative microarray gene expression experiments prior and post acute insulin stimulation Mesenchymal stem cells (MSC) were extracted from the Wharton's jelly of the umbilical cord of normal and SGA babies. The MSCs were expended in culture. The MSCs were subjected to acute insulin treatment for various time points. The RNA of these cells were collected for gene-expression study.

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Molecular pathways reflecting poor intrauterine growth are imprinted in WhartonM-bM-^@M-^Ys jelly derived Mesenchymal Stem Cells [set3]

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Molecular pathways reflecting poor intrauterine growth are imprinted in Wharton’s jelly derived Mesenchymal Stem Cells [set1]

Project description:In order to identify gene-expression patterns in mesenchymal stem cells associated with different birth weights and intrauterine growth parameters, we conducted comparative microarray gene expression experiments prior and post acute insulin stimulation Samples were collected from umbilical cord derived mesenchymal stem cells (UC-MSC). 4 samples belong to SGA (Small for Gestational Age) and 4 samples belong to control group

2014-03-31 | E-GEOD-52841 | biostudies-arrayexpress

E2F1 orchestrates transcriptomics and oxidative metabolism in Wharton’s jelly derived mesenchymal stem cells from growth-restricted neonates

Project description:Wharton’s jelly derived Mesenchymal Stem Cells (MSCs) isolated from newborns with intrauterine fetal growth restriction were previously shown to exert anabolic features including insulin hypersensitivity. Here, we extend these observations and demonstrate that MSCs from small for gestational age (SGA) individuals have decreased mitochondrial oxygen consumption rates. Comparing normally grown and SGA MSCs using next generation sequencing studies, we measured global transcriptomic and epigenetic profiles and identified in SGA, E2F1 as an over-expressed transcription factor regulating oxidative metabolism. We further show that E2F1 regulates the differential transcriptome found in SGA and is associated with the activating histone marks H3K27ac and H3K4me3. One of the key genes regulated by E2F1 was found to be the fatty acid elongase ELOVL2, a gene involved in the endogenous synthesis of docosahexaenoic acid (DHA).

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miR-146a-5p expression effect on human mesenchymal stem cell

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Molecular pathways reflecting poor intrauterine growth are imprinted in Wharton's jelly derived Mesenchymal Stem Cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2014-03-31 | E-GEOD-52845 | biostudies-arrayexpress

miR-146a-5p circuitry uncouples cell proliferation and migration, but not differentiation, in human mesenchymal stem cells

Project description:Administration of mesenchymal stem cells (MSCs) has the potential to ameliorate degenerative disorders and to repair damaged tissues. The homing of transplanted MSCs to injured sites is a critical property of engraftment. Our aim was to identify microRNAs involved in controlling MSC proliferation and migration. MSCs can be isolated from bone marrow and umbilical cord Wharton's jelly (BM-MSCs and WJ-MSCs, respectively), and WJ-MSCs show poorer motility yet have a better amplification rate compared to BM-MSCs.

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Gene expression patterns of mesenchymal stem cells from bone marrow and Wharton's jelly of umbilical cord

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2013-09-30 | E-GEOD-48022 | biostudies-arrayexpress

Gene expression patterns of mesenchymal stem cells from bone marrow and Wharton's jelly of umbilical cord

Project description:Mesenchymal stem cells (MSCs) are promising tools for the treatment of diseases such as infarcted myocardia and strokes because of their ability to promote endogenous angiogenesis and neurogenesis via a variety of secreted factors. MSCs found in the Wharton's jelly of the human umbilical cord are easily obtained and are capable of transplantation without rejection. We isolated MSCs from Wharton’s jelly and bone marrow (WJ-MSCs and BM-MSCs, respectively) and compared their transcriptional profiles.

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miR-146a-5p expression effect on human mesenchymal stem cell

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