Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1159106 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Tabanus nigrovittatus Genome sequencing
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Project description:Tabanus hinellus Genome sequencing and assembly
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Project description:Primary objectives: The primary objective is to investigate circulating tumor DNA (ctDNA) via deep sequencing for mutation detection and by whole genome sequencing for copy number analyses before start (baseline) with regorafenib and at defined time points during administration of regorafenib for treatment efficacy in colorectal cancer patients in terms of overall survival (OS).
Primary endpoints: circulating tumor DNA (ctDNA) via deep sequencing for mutation detection and by whole genome sequencing for copy number analyses before start (baseline) with regorafenib and at defined time points during administration of regorafenib for treatment efficacy in colorectal cancer patients in terms of overall survival (OS).
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Project description:In mammals, homologous chromosomes rarely pair outside meiosis. One exception is the X chromosome, which transiently pairs during X-chromosome inactivation (XCI). How two chromosomes find each other in 3D space is not known. Here, we reveal a required interaction between the X-inactivation center (Xic) and the telomere in mouse embryonic stem (ES) cells. The subtelomeric, pseudoautosomal regions (PARs) of the two sex chromosomes (X and Y) also undergo pairing in both female and male cells. PARs transcribe a class of telomeric RNA, dubbed PAR-TERRA, which accounts for a vast majority of all TERRA transcripts. PAR-TERRA binds throughout the genome, including to the PAR and Xic. During X-chromosome pairing, PAR-TERRA anchors the Xic to the PAR, creating a ‘tetrad’ of pairwise homologous interactions (Xic–Xic, PAR–PAR, and Xic–PAR). Xic pairing occurs within the tetrad. Depleting PAR-TERRA abrogates pairing and blocks initiation of XCI, whereas autosomal PAR-TERRA induces ectopic pairing. We propose a ‘constrained diffusion model’ in which PAR-TERRA creates an interaction hub to guide Xic homology searching during XCI.
2017-07-10 | GSE69887 | GEO
Project description:The ability of bacteriophages to kill bacteria is well known, as is their potential use as alternatives to antibiotics. As such, bacteriophages reach high doses locally through infection of their bacterial host in the human body. In this study we assessed the gene expression profile, by means of whole transcriptome analysis, of peripheral blood mononuclear cells (PBMCs) derived from a healthy human donor and stimulated with a Pseudomonas aeruginosa phage PNM lysate, or P. aeruginosa strain 573. The PBMCs were stimulated for 20 h, followed by lysis of the cells and RNA extraction. In total, three stimulations were performed: control sample (i.e. not stimulated), P. aeruginosa phage PNM lysate and P. aeruginosa strain 573. Each stimulation was conducted in triplicate. The transcriptome analysis showed that the phage induce a clear immunological responses. Both pro- and anti-inflammatory genes were up-regulated in the PBMCs in the presence of the phage or its bacterial host. Our results indicate that bacteriophages might play a bigger role in the immune response then previously described and might have a broader effect than the clearing of bacterial infections alone, such as the suppression of the immune response to benefit their own survival.
2017-03-02 | GSE95573 | GEO