We reprogrammed fibroblasts from 5 HLHS patients and 2 controls into iPSCs and differentiated into cardiomyocytes. By comparison of HLHS and control groups we uncovered the developmental, structural and functional defects of HLHS cells. Through high through-put screening, the underlying molecular mechnisms of HLHS ontology was explored. Overall design: Cardiomyocyte mRNA profiles of normal control and HLHS samples were generated by deep sequencing, in duplicate, using Illumina HiSeq4000.
Induced pluripotent stem cell modelling of HLHS underlines the contribution of dysfunctional NOTCH signalling to impaired cardiogenesis.
Specimen part, Subject
View SamplesMethods for identifying protein-protein interactions have mostly been limited to tagged exogenous expression approaches. We now establish a rapid, robust and comprehensive method for finding interacting proteins using endogenous proteins from limited cell numbers. We apply this approach called Rapid IP-Mass Spectrometry of Endogenous proteins (RIME) to identify ER, FoxA1 and E2F4 interacting proteins in breast cancer cells. From small numbers of starting cells, we find a comprehensive collection of known ER, FoxA1 and E2F4 targets, plus a number of novel unexpected interactors. One of the most ER (and FoxA1) associated interactors is GREB1, an estrogen induced gene with almost no known function. We apply RIME, in parallel with ER ChIP-seq, to identify ER protein interactors and ER binding events from solid tumor xenografts, resulting in the validation of the ER-GREB1 interactions. Furthermore, we establish a method for identifying endogenous interacting proteins from solid primary breast cancer samples, whih we apply to validate ER interactions with GREB1 and additional co-factors. Mechanistically, we show that GREB1 is recruited with ER to the chromatin where it functions as an essential estrogen-mediated regulatory factor required for effective ER transcriptional activity. Our novel approach enables, for the first time, the ability for discovery and validation of protein-protein interactions in whole tissue and solid tumors, revealing significant insight into ER regulatory factors.
Endogenous purification reveals GREB1 as a key estrogen receptor regulatory factor.
Cell line, Treatment
View SamplesMicroarray whole-transcriptome profiling in HCT116 and HepG2 cells treated with Melicope ptelefolia leaf extract reveals transcriptome profles exhibiting anticancer activity
Microarray gene expression profiling in colorectal (HCT116) and hepatocellular (HepG2) carcinoma cell lines treated with <i>Melicope ptelefolia</i> leaf extract reveals transcriptome profiles exhibiting anticancer activity.
Specimen part, Cell line, Treatment
View SamplesIn Arabidposis thaliana, the msh1 recA3 double mutant shows an extensive mitochondrial genome rearrangement and displays pronounced thermotolerance.
Extensive rearrangement of the Arabidopsis mitochondrial genome elicits cellular conditions for thermotolerance.
Specimen part
View SamplesSingle mutant msh1
Extensive rearrangement of the Arabidopsis mitochondrial genome elicits cellular conditions for thermotolerance.
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View SamplesDouble mutant msh1 and recA3
Extensive rearrangement of the Arabidopsis mitochondrial genome elicits cellular conditions for thermotolerance.
No sample metadata fields
View Sampleswe employed DNA microarray platform to compare the gene expression patterns in primary human cardiomyocytes treated with trastuzumab (50g/ml), trastuzumab (50g/ml) plus pertuzumab (50g/ml), T-DM1 (10 g/ml), or control (no treatment).
Type IIB DNA topoisomerase is downregulated by trastuzumab and doxorubicin to synergize cardiotoxicity.
Specimen part
View SamplesUsing RNA-seq we identified the gene expression changes in GC B cells from LSD1 wild-type or LSD1-deficient mice immunized with T cell dependent antigens (Sheep Red Blood cells) Overall design: RNA seq of sorted GC B cell populations from 3 littermate mice per genotype (3 wild-type, 3 knockout)
Histone demethylase LSD1 is required for germinal center formation and BCL6-driven lymphomagenesis.
Specimen part, Subject
View SamplesThis SuperSeries is composed of the SubSeries listed below.
miR-30e targets IGF2-regulated osteogenesis in bone marrow-derived mesenchymal stem cells, aortic smooth muscle cells, and ApoE-/- mice.
Specimen part, Treatment
View SamplesMiR-30e represses the osteogenic program in mesenchymal stem cells (MSCs) and smooth muscle cells (SMCs) by targeting IGF2, and drives their differentiation into adipogenic or smooth muscle lineage, respectively.
miR-30e targets IGF2-regulated osteogenesis in bone marrow-derived mesenchymal stem cells, aortic smooth muscle cells, and ApoE-/- mice.
Specimen part, Treatment
View Samples