2,093 results found
    1. Genetics and Genomics

    Pooled genome-wide CRISPR activation screening for rapamycin resistance genes in Drosophila cells

    Baolong Xia, Raghuvir Viswanatha ... Norbert Perrimon
    A novel genome-wide transcriptional activation screening in Drosophila cells revealed the activation of InR-Akt-mTOR pathway by cholesterol in plasma membrane to confer resistance to Rapamycin.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Gene activation by a CRISPR-assisted trans enhancer

    Xinhui Xu, Jinliang Gao ... Jinke Wang
    Both exogenous and endogenous genes can be highly activated in cells by a new dCas9-based activator, CRISPR-assisted trans enhancer, that can be used to activate genes for biomedical applications.
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    Compact and highly active next-generation libraries for CRISPR-mediated gene repression and activation

    Max A Horlbeck, Luke A Gilbert ... Jonathan S Weissman
    Integrated modeling of sgRNA positioning, chromatin accessibility, and sequence features enables accurate prediction of effective target sites for CRISPR-mediated transcriptional modulation and design of highly active libraries for genome-scale genetic screens.
    1. Developmental Biology
    2. Genetics and Genomics

    Cre/lox regulated conditional rescue and inactivation with zebrafish UFlip alleles generated by CRISPR-Cas9 targeted integration

    Fang Liu, Sekhar Kambakam ... Maura McGrail
    A novel strategy to create genetic mosaics in zebrafish for cell type-specific analysis of gene function that can be applied to any gene of interest.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    A novel human pluripotent stem cell gene activation system identifies IGFBP2 as a mediator in the production of haematopoietic progenitors in vitro

    Paolo Petazzi, Telma Ventura ... Antonella Fidanza
    A novel tool is used to assess gene function in vitro by targeted endogenous transcriptional activation to unveil novel players in development and disease.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Herpesviral lytic gene functions render the viral genome susceptible to novel editing by CRISPR/Cas9

    Hyung Suk Oh, Werner M Neuhausser ... David M Knipe
    CRISPR genome editing technology can efficiently introduce mutations into lytic and latent HSV genomes to block lytic replication and reactivation of latent herpes simplex virus genome though differential mechanisms.
    1. Immunology and Inflammation

    A genetic screen in macrophages identifies new regulators of IFNγ-inducible MHCII that contribute to T cell activation

    Michael C Kiritsy, Laurisa M Ankley ... Andrew J Olive
    Med16 and GSK3b regulate interferon gamma-mediated MHCII expression in macrophages and are required for CD4+ T cell activation.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Enhanced Cas12a multi-gene regulation using a CRISPR array separator

    Jens P Magnusson, Antonio Ray Rios ... Lei S Qi
    Cas12a CRISPR arrays are sensitive to the GC content of their spacers, but AT-rich separator sequences successfully remove this disruptive effect and enable enhanced multiplexed gene targeting and activation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Identification of orphan ligand-receptor relationships using a cell-based CRISPRa enrichment screening platform

    Dirk H Siepe, Lukas T Henneberg ... K Christopher Garcia
    A proteo-genomic CRISPR activation screening workflow to accelerate the identification of novel interactions between the secreted and membrane proteome with the potential to define new biological processes and identify future therapeutic targets.
    1. Computational and Systems Biology
    2. Neuroscience

    Estradiol elicits distinct firing patterns in arcuate nucleus kisspeptin neurons of females through altering ion channel conductances

    Jian Qiu, Margaritis Voliotis ... Martin J Kelly
    Kiss1ARH neurons transition from synchronous to burst firing under preovulatory levels of E2, causing a shift from peptidergic to glutamatergic transmission that drives the GnRH surge through enhanced glutamate neurotransmission.

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