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Aberrant chromatin transformation dysregulates gene expression and may be an important driver of tumorigenesis. However, the functional role of chromosomal dynamics in tumorigenesis remains to be elucidated. Here, using in vitro and in vivo experiments, we reveal a novel long noncoding (lncing) driver at chr12p13.3, in which a novel lncRNA GALNT8 Antisense Upstream 1 (GAU1) is initially activated by an open chromatin status, triggering recruitment of the transcription elongation factor TCEA1 at the oncogene GALNT8 promoter and cis-activates the expression of GALNT8. Analysis of The Cancer Genome Atlas (TCGA) clinical database revealed that the GAU1/GALNT8 driver serves as an important indicative biomarker, and targeted silencing of GAU1 via the HKP-encapsulated method exhibited therapeutic efficacy in orthotopic xenografts. Our study presents a novel oncogenetic mechanism in which aberrant tuning of the chromatin state at specific chromosomal loci exposes factor-binding sites, leading to recruitment of trans-factor and activation of oncogenetic driver, thereby provide a novel alternative concept of chromatin dynamics in tumorigenesis.
Pubmed ID: 29741668
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Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
View all literature mentionsSoftware tool for fast and high throughput alignment of shotgun cDNA sequencing reads generated by transcriptomics technologies. Fast splice junction mapper for RNA-Seq reads. Aligns RNA-Seq reads to mammalian-sized genomes using ultra high-throughput short read aligner Bowtie, and then analyzes mapping results to identify splice junctions between exons.TopHat2 is accurate alignment of transcriptomes in presence of insertions, deletions and gene fusions.
View all literature mentionsDigital microscopy software for research microscopy. It comes standard with drivers to control numerous instruments in and around the microscope. When online, data is acquired in a native-3D format over time, color and specimen locations in customizable experiment protocols. Data can be analyzed by a wide variety of tools for image processing including mathematical operations, statistics functions, analysis scripting and import to/export from MATLAB. Additional modules are available for special applications ranging from deconvolution to photomanipulation to multiphoton.
View all literature mentionsA portal that provides visualization, analysis and download of large-scale cancer genomics data sets.
View all literature mentionsSoftware tool for transcriptome assembly and differential expression analysis for RNA-Seq. Includes script called cuffmerge that can be used to merge together several Cufflinks assemblies. It also handles running Cuffcompare as well as automatically filtering a number of transfrags that are likely to be artifacts. If the researcher has a reference GTF file, the researcher can provide it to the script to more effectively merge novel isoforms and maximize overall assembly quality.
View all literature mentionsPlatform for genomic analysis. Open access online genomics datascience and discovery platform designed to assist the bio-medical researchers with limited to no Bioinformatics skills to perform data mining tasks in the omics field.
View all literature mentionsMus musculus with name NU/J from IMSR.
View all literature mentionsCell line ARPE-19 is a Spontaneously immortalized cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line SK-N-AS is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line HEK293T is a Transformed cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line HEK293T is a Transformed cell line with a species of origin Homo sapiens (Human)
View all literature mentionsWelcome to the Neuroscience Information Framework Project, designed to serve the biomedical research community. NIF maintains the largest searchable collection of neuroscience data, the largest catalog of biomedical resources, and the largest ontology for neuroscience on the web. We welcome all feedback and suggestions and are actively looking for resource providers to make their resources accessible through NIF. Learn about the tools available to help you share your data and discover a dynamic inventory of Web-based neuroscience resources.
