No description.
A biochemical landscape of A-to-I RNA editing in the human brain transcriptome.
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View SamplesWe developed a R-based script to select internal control genes based solely on read counts and gene sizes. We used this method to pick custom reference genes for the differential expression analysis of three transcriptome sets from transgenic Arabidopsis plants expressing heterologous fungal effector proteins tagged with GFP (using GFP alone as the control). The custom reference genes showed lower covariance and fold change as well as a broader range of expression levels than commonly used reference genes. When analyzed with NormFinder, both typical and custom reference genes were considered suitable internal controls, but the custom selected genes were more stable. geNorm produced a similar result in which most custom selected genes ranked higher (i.e. were more stable) than commonly used reference genes.
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Age, Specimen part
View SamplesThe objective of this study is to search for calcium signal-dependent expression changes.
Calcium-dependent N-cadherin up-regulation mediates reactive astrogliosis and neuroprotection after brain injury.
Specimen part
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Recurrent mutations in multiple components of the cohesin complex in myeloid neoplasms.
Specimen part, Disease, Cell line
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Classification of Epstein-Barr virus-positive gastric cancers by definition of DNA methylation epigenotypes.
Specimen part, Cell line
View SamplesThe aim of this study is to identify responders to FOLFOX therapy by applying the Random Forests (RF) algorithm to gene expression data. Eighty-three unresectable colorectal cancer (CRC) patients including 42 responders and 41 non-responders were divided into training (54 patients) and test (29 patients) sets.
Potential responders to FOLFOX therapy for colorectal cancer by Random Forests analysis.
Sex
View SamplesThis SuperSeries is composed of the SubSeries listed below.
PRC2 overexpression and PRC2-target gene repression relating to poorer prognosis in small cell lung cancer.
Specimen part, Cell line
View SamplesSmall cell lung cancer (SCLC) is a subtype of lung cancer with poor prognosis due to early dissemination and rapid growth. We here analyze gene expression profile of 23 clinical SCLC samples. EZH2 was found to be highly expressed in SCLC samples compared to 42 normal tissues including the normal lung, and other PRC2 members, SUZ12 and EED, were also highly expressed in SCLC. To obtain target genes of PRC2 in SCLC, H3K27me3 mark was mapped in three SCLC cell lines, Lu130, H209 and DMS53, and compared to normal small airway epithelial cells (SAEC). Whereas H3K27me3(+) genes in SAEC were significantly overlapped with PRC-target genes in ES cells (P=1.7x10-31), genes with H3K27me3 in SCLC cell lines but not in SAEC were not significantly overlapped with PRC-target genes in ES cells (P=0.64). These genes with H3K27me3 specifically in SCLC cell lines but not in SAEC showed decreased expression, not only in SCLC cell lines but also in clinical SCLCs, and showed enrichment of GO-terms such as plasma membrane (P=8.1x10-21) and cell adhesion (P=1.7x10-8). Introduction of JUB, a gene showing specific H3K27me3 modification and the strongest repression in the three SCLC cell lines, resulted in repression of cellular growth in DMS53. In clinical SCLC cases, lower JUB level correlated to shorter survival (P=0.002), or a set of PRC target genes (JUB, EPHB4) and marker genes of classic type SCLC (GRP, ASCL1) correlated to shorter survival (P=0.0001) and classified SCLC into two groups with distinct prognosis. Growth of SCLC cell lines was repressed when treated with 3-Deazaneplanocin A, an inhibitor against PRC2. It is suggested that high expression of PRC2 in SCLC contributed to repression of genes including non-PRC-target genes in ES cells, and that the gene repression may play a role in genesis of SCLC.
PRC2 overexpression and PRC2-target gene repression relating to poorer prognosis in small cell lung cancer.
Specimen part, Cell line
View SamplesThis SuperSeries is composed of the SubSeries listed below.
DNA methylation profiling of embryonic stem cell differentiation into the three germ layers.
Sex, Specimen part
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Dynamically and epigenetically coordinated GATA/ETS/SOX transcription factor expression is indispensable for endothelial cell differentiation.
Specimen part, Time
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