Retinitis pigmentosa (RP) is a photoreceptor disease that affects approximately 100,000 people in the United States. There are currently very limited treatment options and the prognosis for most patients is progressive vision loss. Unfortunately, the understanding of the molecular underpinnings of RP initiation and progression is still poorly understood. However, the development of animal models of RP, coupled with high-throughput sequencing, has provided an opportunity to study the underlying cellular and molecular changes of this disease. Using RNA-Seq, we present the first retinal transcriptome analysis of the rd10 murine model of retinal degeneration. Overall design: RNA-Seq on whole-retina samples from rd10, wild-type and GFP-expressing mouse retina. Three biological replicates of each.
A profile of transcriptomic changes in the rd10 mouse model of retinitis pigmentosa.
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View SamplesThe ubiquitously expressed RNA-binding protein Hu Antigen R (HuR) or ELAVL1 is implicated in a variety of biological processes as well as being linked with a number of diseases, including cancer. Despite a great deal of prior investigation into HuR, there is still much to learn about its function. We take an important step in this direction by conducting iCLIP (CrossLinking and ImmunoPreciptation) and RNA Sequencing experiments followed by an extensive computational analysis to determine the characteristics of the HuR binding site and impact on the transcriptome. We reveal that HuR targets predominantly uracil-rich single-stranded stretches of varying size, with a strong conservation of structure and sequence composition. Despite the fact that HuR sites are observed in intronic regions, our data does not support a role for HuR in regulating splicing. HuR sites in 3'UTRs overlap extensively with predicted miRNA target sites suggesting interplay between the functions of HuR and miRNAs. Network analysis showed that identified targets containing HuR binding sites in the 3' UTR are highly interconnected.
Genomic analyses of the RNA-binding protein Hu antigen R (HuR) identify a complex network of target genes and novel characteristics of its binding sites.
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View Samplesthere is presently no methodology that adequately isolates pure MaSCs. Seeking new markers of MaSCs, we characterized the stem-like properties and expression signature of label-retaining cells from the mammary gland of mice expressing a controllable H2b-GFP transgene. According to their transcriptome profile, H2b-GFPh MaSCs are enriched for pathways thought to play important roles in adult stem cells.
Molecular hierarchy of mammary differentiation yields refined markers of mammary stem cells.
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View SamplesAcute myeloid leukemia (AML) continues to have the lowest survival rates of all leukemias. Therefore, new therapeutic strategies are urgently needed to improve clinical outcomes for AML patients. Here, we report a novel role for Wilms’ tumor 1-associated protein (WTAP) in pathogenesis of AML. We have performed RNA-Seq in K562 cells with knockdown of WTAP to ascertain which genes it regulates. Overall design: We have 2 replicates of total RNA for K562 cells and 2 replicates with WTAP knocked down
WTAP is a novel oncogenic protein in acute myeloid leukemia.
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View SamplesThe conserved RNA-binding protein Musashi1 (MSI1) has emerged as a key oncogenic factor in numerous solid tumors, including glioblastoma. However, its mechanism of action has not yet been established comprehensively. We set out to map its impact on the transcriptome in U251 cells using RNA-seq and iCLIP. Overall design: Examination of gene expression and splicing changes upon KD of Musashi1 in U251 cells and link to iCLIP-identified Musashi1 RNA binding sites
RNA-Binding Protein Musashi1 Is a Central Regulator of Adhesion Pathways in Glioblastoma.
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