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DNA methylation and gestational diabetes mellitus

ABSTRACT: DNA methylation and gestational diabetes mellitus

PROVIDER: PRJEB66494 | ENA |

REPOSITORIES: ENA

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Genome wide methylation of cord blood from gestational diabetes mellitus

Project description:Genome wide DNA methylation profiling of cord blood cells obtained from gestational diabetes mellitus (GDM) pregnancies. The Illumina EPIC methylation beadchip array was used to obtain DNA methylation profiles across approximately 850,000 CpG dinucleotide methylation loci in DNA isolated from cord blood. Samples include 165 GDM subjects.

2021-06-23 | GSE122086 | GEO

RNAseq between gestational diabetes mellitus and healthy control groups

Project description:tsRNA profiles of gestational diabetes mellitus and healthy control groups were generated by deep sequencing using Illumina NextSeq 500.

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Genome wide methylation of cord blood from gestational diabetes mellitus

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Transcriptional profile of peripheral blood mononuclear cells from Gestational Diabetes Mellitus Patients

Project description:The oligo microarray were used to determine gene expression profile of PBMC from gestational diabetes mellitus (GDM) patients.

2012-08-25 | E-MEXP-3349 | biostudies-arrayexpress

Transcriptional profiles of microRNAs from peripheral blood mononuclear cells of gestational diabetes mellitus patients

Project description:The oligo micoarrays were used to determine gene expression profiles of peripheral blood mononuclear cells from gestational diabetes mellitus (GDM) patients.

2012-08-23 | E-MEXP-3382 | biostudies-arrayexpress

Exposure to Gestational Diabetes Mellitus In Utero Alters DNA Methylation in Placenta and Fetal Cord Blood

Project description:Exposure to Gestational Diabetes Mellitus In Utero Alters DNA Methylation in Placenta and Fetal Cord Blood

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Environmental Factors Influence the Epigenetic Signature of Newborns from Mothers with Gestational Diabetes

Project description:Here we investigated the degree by which epigenetic signatures in children from mothers with obesity or gestational diabetes mellitus are influenced by environmental factors. We profiled the DNA methylation signature of whole blood from lean, obese and gestational diabetes mellitus mothers and their respective newborns. DNA methylation profiles of mothers showed high similarity across groups, while on the contrary, newborns from GDM mothers showed a marked distinct epigenetic profile compared to newborns of both lean and obese mothers. Analysis of variance in DNA methylation levels between newborns showed higher variance in the GDM group. Our work suggest that environmental factors, rather than direct transmission of epigenetic marks from the mother, are involved in establishing the epigenetic signature associated with GDM.

2019-08-22 | GSE128289 | GEO

Reduced representation bisulfite sequencing (RRBS) methylation profiles of placenta and umbilical cord blood with or without gestational diabetes mellitus (GDM)

Project description:Objective: To explore the characteristics and underlying molecular mechanisms of genome-scale expression profiles of women with- or without- gestational diabetes mellitus and their offspring. Materials and Methods: We recruited a group of 21 pregnant women with gestational diabetes mellitus (GDM) and 20 healthy pregnant women as controls. For each pregnant women, RRBS were performed using the placenta and paired neonatal umbilical cord blood specimens. Differentially methylated regions (DMRs) were identified. Then, functional enrichment analysis was performed to differential methylated genes (DMGs) separately or interactively in placenta and umbilical cord blood. Results: Through the comparison of GDM and healthy samples, 2779 and 141 DMRs were identified from placenta and umbilical cord blood, respectively. Functional enrichment analysis showed that the placenta methylation and expression profiles of GDM women mirrored the molecular characteristics of “type II diabetes” and “insulin resistance”. Methylation-altered genes in umbilical cord blood were associated with pathways “type II diabetes” and “cholesterol metabolism”. DMGs illustrated significant overlaps among placenta and umbilical cord blood samples, and the overlapping DMGs were associated with cholesterol metabolism. Conclusions: Our research demonstrated the epigenomic alternations of GDM mothers and offspring. Our findings emphasized the importance of epigenetic modifications in the communication between pregnant women with GDM and offspring, and provided reference for the prevention, control, treatment, and intervention of perinatal deleterious events of GDM and neonatal complications.

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Genome wide DNA methylation profiling of diabetic nephropathy in type 1 diabetes mellitus

Project description:The Illumina Infinium 27k Human DNA methylation Beadchip v1.2 was used to obtain DNA methylation profiles across approximately 27,000 CpGs in whole blood samples from a case-control study of 192 Irish patients with type 1 diabetes mellitus (T1D). Cases had T1D and nephropathy whereas controls had T1D but no evidence of renal disease. emails: christopher.bell@cancer.ucl.ac.uk, a.teschendorff@ucl.ac.uk Keywords: DNA methylation Bisulphite converted DNA from the 192 samples were hybridised to the Illumina Infinium 27k Human Methylation Beadchip v1.2

2010-05-07 | E-GEOD-20067 | biostudies-arrayexpress

DIA proteomics for gestational diabetes mellitus

Project description:Gestational diabetes mellitus (GDM), one of the most common pregnancy complications, affects approximately 6% of pregnancies. This study attempted to use the data-independent acquisition (DIA) mass spectrometry (MS) to identify the potential protein biomarkers from the placental tissues from the GDM patients and the normal pregnant women.

2021-12-28 | PXD030656 |

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