Expression data from MZ Twins discordant for concussion
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ABSTRACT:
PROVIDER: PRJNA736058 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:This SuperSeries is composed of the following subset Series: GSE37146: Gene expression analysis in MZ twins discordant for IAR [in vitro] GSE37155: Gene expression analysis in MZ twins discordant for IAR [in vivo] Refer to individual Series
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Project description:Gene expression analysis in CD4+ T cells extracted from allergen-challenged PBMCs, isolated from discordant MZ twins with IAR
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Project description:Researchers have long relied on gene expression changes identified in animal models to develop targeted therapy for traumatic brain injury (TBI), but so far these therapies have not proved effective in human trials. While these pre-clinical models have provided valuable mechanistic insights, they might not reflect the unique pathophysiology of concussion in humans. Identifying important and potentially modifiable gene expression changes in humans diagnosed with TBI can help facilitate effective therapies. The objective of the current study was to identify important and potentially novel differences in mRNA expression among this single pair of MZ twins discordant for sport-related concussion (SRC).
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Project description:Genome wide DNA methylation profiling of adipose tissue of MZ twins discordant and concordant for BMI. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 485,000 CpGs. Samples included 24 pairs discordant and 11 pairs concordant for BMI.
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Project description:There is growing evidence that genomic DNA sequence changes occur in individual somatic cells during the lifetime of an individual and accumulation of these changes may influence aging and disease. In light of this, and contradicting reports regarding discordant copy number profiles between MZ twins(BARANZINI et al. 2010; BRUDER et al. 2008), we set out to identify de novo somatic copy number mutations in DNA from blood for MZ twin pairs of Mexican American descent who were participants of the San Antonio Family Heart Study (SAFHS) or San Antonio Family Diabetes/Gallbladder study (SAFDGS). By applying circular binary segmentation (CBS) to B-allele ratio differences we determined that the 3 MZ twin pairs in this study had concordant copy number profiles. We also detected 2 de novo germ-line CNVs in 2 MZ twin pairs from the SAFHS. This study includes data for 4 monozygotic (MZ) twin pairs, and both parents of 2 of these MZ twin pairs. The purpose of this study was to compare concordance of copy number profiles between MZ twins.
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Project description:DNA methylation appears to play an essential mechanistic role in the pathogenesis of ALL, thereby potentiate its use as a biomarker for diagnosis and prognosis (Milani, Lundmark et al. 2010; Geng, Brennan et al. 2012; Sandoval, Heyn et al. 2013), and even a potential target of novel therapeutic approaches in ALL. In present study, we collected blood specimens for 4 pairs of monozygotic twins (MZ) and 1 pair of dizygotic twin (DZ) that are discordant for ALL. We sought to comprehensively assess the magnitude of genetic and epigenetic differences between ALL-affected and unaffected twins. we conducted whole genome and whole methylome sequencing on these five pairs of ALL-discordant twins. We also examined both the MZ and DZ twins using whole-genome bisulfite sequencing (WGBS). At first, the methylation differences across the genome were addressed globally by Circos software. And then tried to characterize the co-twin methylation divergence in specific genomic regions between ALL-discordant twin pairs. These patterns of dynamic co-twin methylation changes in these discordant ALL samples were generally consistent among MZ and DZ twins, indicating similarities of methylation abnormalities. As a result, 780, 566, 309, 293 and 2110 DMRs were identified, with a similar distribution pattern across different genomic elements among the five twin pairs.Then we annotate whether these DMRs were located in regulatory elements and identification of genes with recurring methylation alterations in a cohort of ALL patients. We collected blood specimens from 4 pairs of MZ twins and 1 pair of DZ twin that are discordant for ALL. At first, the methylation differences across the genome were addressed globally by Circos software. And then tried to characterize the co-twin methylation divergence in specific genomic regions and differentially methylated gene regions (DMRs) were identified between ALL-discordant twin pairs. Then we annotate whether these DMRs were located in regulatory elements and identification of genes with recurring methylation alterations in a cohort of ALL patients.
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Project description:Genome wide DNA methylation profiling of MZ twins whose within-pair difference in TSH were discordant. the Illumina Infinium HumanMethylation450 Bead Chip Kit (approximately 480,000 CpG sites) and the Illumina Infinium Methylation EPIC Bead Chip (approximately 900,000 CpG sites) were used to obtain DNA methylation profiles in peripheral blood samples.
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