Homo sapiens
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ABSTRACT:
PROVIDER: PRJNA240072 | ENA |
REPOSITORIES: ENA
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Project description:DNA methylation and gene expression analysis during myogenic differentiation
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Project description:We have sequenced miRNA libraries from human embryonic, neural and foetal mesenchymal stem cells. We report that the majority of miRNA genes encode mature isomers that vary in size by one or more bases at the 3’ and/or 5’ end of the miRNA. Northern blotting for individual miRNAs showed that the proportions of isomiRs expressed by a single miRNA gene often differ between cell and tissue types. IsomiRs were readily co-immunoprecipitated with Argonaute proteins in vivo and were active in luciferase assays, indicating that they are functional. Bioinformatics analysis predicts substantial differences in targeting between miRNAs with minor 5’ differences and in support of this we report that a 5’ isomiR-9-1 gained the ability to inhibit the expression of DNMT3B and NCAM2 but lost the ability to inhibit CDH1 in vitro. This result was confirmed by the use of isomiR-specific sponges. Our analysis of the miRGator database indicates that a small percentage of human miRNA genes express isomiRs as the dominant transcript in certain cell types and analysis of miRBase shows that 5’ isomiRs have replaced canonical miRNAs many times during evolution. This strongly indicates that isomiRs are of functional importance and have contributed to the evolution of miRNA genes
2014-08-06 | GSE58734 | GEO
Project description:Gene methylation profiling of immortalized human mesenchymal stem cells comparing HPV E6/E7-transfected MSCs cells with human telomerase reverse transcriptase (hTERT)- and HPV E6/E7-transfected MSCs. hTERT may increase gene methylation in MSCs. Goal was to determine the effects of different transfected genes on global gene methylation in MSCs.
2011-08-25 | GSE23936 | GEO
Project description:DNA methylation has been considered to play an important role in myogenic differentiation. In terminal differentiation of myoblasts, a chronological pattern of DNA methylation changes has been poorly understood. Using Infinium HumanMethylation450 BeadChips, we obtained and evaluated the genome-wide DNA methylation profiles of human myoblast differentiation in vitro.
2014-09-05 | GSE55571 | GEO
Project description:Genome-wide CpG methylation during osteogenic and myogenic differentiation from adipose- derived stem cells.
| PRJNA148337 | ENA
Project description:Gene methylation profiling of immortalized human mesenchymal stem cells comparing HPV E6/E7-transfected MSCs cells with human telomerase reverse transcriptase (hTERT)- and HPV E6/E7-transfected MSCs. hTERT may increase gene methylation in MSCs. Goal was to determine the effects of different transfected genes on global gene methylation in MSCs. Two-condition experiment, KP MSCs vs. 3A6 MSCs.
2011-08-24 | E-GEOD-23936 | biostudies-arrayexpress
Project description:DNA methylation has been considered to play an important role in myogenic differentiation. In terminal differentiation of myoblasts, a chronological pattern of DNA methylation changes has been poorly understood. Using Infinium HumanMethylation450 BeadChips, we obtained and evaluated the genome-wide DNA methylation profiles of human myoblast differentiation in vitro. DNA methylation profiles of human myoblasts (day1, day3, day8, day15), human mesenchymal stem cells (1 sample) and human skeletal muscle tissues (2 samples) were obtained using Infinium HumanMethylation450 BeadChips (Illumina).
2014-03-05 | E-GEOD-55571 | biostudies-arrayexpress
Project description:Characterisation of nuclear architectural alterations during in vitro differentiation of human stem cells of myogenic origin
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Project description:Transcriptional profiling of human mesenchymal stem cells comparing normoxic MSCs cells with hypoxic MSCs cells. Hypoxia may inhibit senescence of MSCs during expansion. Goal was to determine the effects of hypoxia on global MSCs gene expression.
2011-02-19 | GSE20463 | GEO
Project description:Persistent organic pollutants alter DNA methylation during human adipocyte differentiation
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