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Showing 1-30 of 8058 results for "CRISPR" within Papers
Ning Sun et al.
BMC genomics, 20(1), 225-225 (2019-03-21)
Large-scale genetic screening using CRISPR-Cas9 technology has emerged as a powerful approach to uncover and validate gene functions. The ability to control the timing of genetic perturbation during CRISPR screens will facilitate precise dissection of dynamic and complex biological processes.
Hajnalka Laura Pálinkás et al.
Biomolecules, 9(4) (2019-04-17)
Sanitization of nucleotide pools is essential for genome maintenance. Deoxyuridine 5'-triphosphate nucleotidohydrolase (dUTPase) is a key enzyme in this pathway since it catalyzes the cleavage of 2'-deoxyuridine 5'-triphosphate (dUTP) into 2'-deoxyuridine 5'-monophosphate (dUMP) and inorganic pyrophosphate. Through its action dUTPase
Nobuaki Takahashi et al.
Molecular cell, 80(5), 828-844 (2020-11-01)
Cancer-associated mutations that stabilize NRF2, an oxidant defense transcription factor, are predicted to promote tumor development. Here, utilizing 3D cancer spheroid models coupled with CRISPR-Cas9 screens, we investigate the molecular pathogenesis mediated by NRF2 hyperactivation. NRF2 hyperactivation was necessary for
Iván Devesa-Guerra et al.
Journal of molecular biology, 432(7), 2204-2216 (2020-02-23)
Tools for actively targeted DNA demethylation are required to increase our knowledge about regulation and specific functions of this important epigenetic modification. DNA demethylation in mammals involves TET-mediated oxidation of 5-methylcytosine (5-meC), which may promote its replication-dependent dilution and/or active
Hirotaka Ebina et al.
Scientific reports, 3, 2510-2510 (2013-08-27)
Even though highly active anti-retroviral therapy is able to keep HIV-1 replication under control, the virus can lie in a dormant state within the host genome, known as a latent reservoir, and poses a threat to re-emerge at any time.
Josephine Chiu et al.
Biotechnology and bioengineering, 114(5), 1006-1015 (2016-12-13)
While the majority of host cell protein (HCP) impurities are effectively removed in typical downstream purification processes, a small population of HCPs are particularly challenging. Previous studies have identified HCPs that are challenging for a variety of reasons. Lipoprotein lipase
Sandra Neitemeier et al.
Redox biology, 12, 558-570 (2017-04-07)
Ferroptosis has been defined as an oxidative and iron-dependent pathway of regulated cell death that is distinct from caspase-dependent apoptosis and established pathways of death receptor-mediated regulated necrosis. While emerging evidence linked features of ferroptosis induced e.g. by erastin-mediated inhibition
Targeted mutagenesis in rice using CRISPR-Cas system.
Jin Miao et al.
Cell research, 23(10), 1233-1236 (2013-09-04)
Nathalie Falk et al.
Journal of cell science, 131(16) (2018-07-29)
Pericentrin (Pcnt) is a multifunctional scaffold protein and mutations in the human PCNT gene are associated with several diseases, including ciliopathies. Pcnt plays a crucial role in ciliary development in olfactory receptor neurons, but its function in the photoreceptor-connecting cilium
Gozde Korkmaz et al.
Nature biotechnology, 34(2), 192-198 (2016-01-12)
Systematic identification of noncoding regulatory elements has, to date, mainly relied on large-scale reporter assays that do not reproduce endogenous conditions. We present two distinct CRISPR-Cas9 genetic screens to identify and characterize functional enhancers in their native context. Our strategy
Michael E Pyne et al.
Applied and environmental microbiology, 81(15), 5103-5114 (2015-05-24)
To date, most genetic engineering approaches coupling the type II Streptococcus pyogenes clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 system to lambda Red recombineering have involved minor single nucleotide mutations. Here we show that procedures for carrying out more complex
Bernd Zetsche et al.
Cell, 163(3), 759-771 (2015-10-01)
The microbial adaptive immune system CRISPR mediates defense against foreign genetic elements through two classes of RNA-guided nuclease effectors. Class 1 effectors utilize multi-protein complexes, whereas class 2 effectors rely on single-component effector proteins such as the well-characterized Cas9. Here
Marco Jost et al.
Molecular cell, 68(1), 210-223 (2017-10-07)
Chemical libraries paired with phenotypic screens can now readily identify compounds with therapeutic potential. A central limitation to exploiting these compounds, however, has been in identifying their relevant cellular targets. Here, we present a two-tiered CRISPR-mediated chemical-genetic strategy for target
Yan Teng et al.
Genes and immunity, 20(4), 327-337 (2018-07-03)
The human immunodeficiency virus type 1 (HIV-1) causes persistent infection in human and induces miR-146a expression in infected cells. miR-146a represses the innate immune response by inhibiting the expression of TRAF6 and IRAK1 genes, thus negatively controls the NF-κB-related cytokines
Woong Y Hwang et al.
Nature biotechnology, 31(3), 227-229 (2013-01-31)
In bacteria, foreign nucleic acids are silenced by clustered, regularly interspaced, short palindromic repeats (CRISPR)--CRISPR-associated (Cas) systems. Bacterial type II CRISPR systems have been adapted to create guide RNAs that direct site-specific DNA cleavage by the Cas9 endonuclease in cultured
Le Cong et al.
Science (New York, N.Y.), 339(6121), 819-823 (2013-01-05)
Functional elucidation of causal genetic variants and elements requires precise genome editing technologies. The type II prokaryotic CRISPR (clustered regularly interspaced short palindromic repeats)/Cas adaptive immune system has been shown to facilitate RNA-guided site-specific DNA cleavage. We engineered two different
Mika K Kaneko et al.
Cancer medicine, 6(2), 382-396 (2017-01-20)
Human podoplanin (hPDPN), which binds to C-type lectin-like receptor-2 (CLEC-2), is involved in platelet aggregation and cancer metastasis. The expression of hPDPN in cancer cells or cancer-associated fibroblasts indicates poor prognosis. Human lymphatic endothelial cells, lung-type I alveolar cells, and
Jolien Van Cleemput et al.
Journal of virology, 95(6) (2020-12-29)
Latent and recurrent productive infection of long-living cells, such as neurons, enables alphaherpesviruses to persist in their host populations. Still, the viral factors involved in these events remain largely obscure. Using a complementation assay in compartmented primary peripheral nervous system
Emily M Schleicher et al.
PLoS genetics, 16(11), e1009176-e1009176 (2020-11-03)
The ataxia telangiectasia and Rad3-related (ATR) protein kinase is a key regulator of the cellular response to DNA damage. Due to increased amount of replication stress, cancer cells heavily rely on ATR to complete DNA replication and cell cycle progression.
Chengle Zhuang et al.
Frontiers in molecular biosciences, 8, 646412-646412 (2021-04-06)
Aptazyme and CRISPR/Cas gene editing system were widely used for regulating gene expression in various diseases, including cancer. This work aimed to reconstruct CRISPR/Cas13d tool for sensing hTERT exclusively based on the new device OFF-switch hTERT aptazyme that was inserted
Kathrin Schumann et al.
Nature immunology, 21(11), 1456-1466 (2020-09-30)
Human regulatory T (Treg) cells are essential for immune homeostasis. The transcription factor FOXP3 maintains Treg cell identity, yet the complete set of key transcription factors that control Treg cell gene expression remains unknown. Here, we used pooled and arrayed
Evangelia Kounatidou et al.
Nucleic acids research, 47(11), 5634-5647 (2019-04-23)
Resistance to androgen receptor (AR)-targeted therapies in prostate cancer (PC) is a major clinical problem. A key mechanism of treatment resistance in advanced PC is the generation of alternatively spliced forms of the AR termed AR variants (AR-Vs) that are
Ester M Pereira et al.
American journal of physiology. Renal physiology, 311(5), F1015-F1024 (2016-09-30)
Fabry nephropathy is a major cause of morbidity and premature death in patients with Fabry disease (FD), a rare X-linked lysosomal storage disorder. Gb3, the main substrate of α-galactosidase A (α-Gal A), progressively accumulates within cells in a variety of
Daijiro Takeshita et al.
Journal of molecular biology, 431(4), 748-763 (2019-01-15)
Clustered regularly interspaced short palindromic repeat (CRISPR) loci and CRISPR-associated (Cas) genes encode CRISPR RNAs (crRNA) and Cas proteins, respectively, which play important roles in the adaptive immunity system (CRISPR-Cas system) in prokaryotes. The crRNA and Cas proteins form ribonucleoprotein
Martin Mehnert et al.
Proteomics, 19(13), e1800438-e1800438 (2019-03-23)
CRISPR-Cas gene editing holds substantial promise in many biomedical disciplines and basic research. Due to the important functional implications of non-histone chromosomal protein HMG-14 (HMGN1) in regulating chromatin structure and tumor immunity, gene knockout of HMGN1 is performed by CRISPR
Hongmei Shu et al.
BMC plant biology, 20(1), 417-417 (2020-09-08)
Peanut is an important legume crop growing worldwide. With the published allotetraploid genomes, further functional studies of the genes in peanut are very critical for crop improvement. CRISPR/Cas9 system is emerging as a robust tool for gene functional study and
Govindhasamy Pushpavathi Selvakumar et al.
Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology, 14(4), 537-550 (2019-02-28)
Microglial cells are brain specific professional phagocytic immune cells that play a crucial role in the inflammation- mediated neurodegeneration especially in Parkinson's disease (PD) and Alzheimer's disease. Glia maturation factor (GMF) is a neuroinflammatory protein abundantly expressed in the brain.
R Kaminski et al.
Gene therapy, 23(8-9), 690-695 (2016-05-20)
A CRISPR/Cas9 gene editing strategy has been remarkable in excising segments of integrated HIV-1 DNA sequences from the genome of latently infected human cell lines and by introducing InDel mutations, suppressing HIV-1 replication in patient-derived CD4+ T-cells, ex vivo. Here
Maíra de Assis Lima et al.
Cellular signalling, 77, 109827-109827 (2020-11-09)
ADAMTSs (A Disintegrin And Metalloproteinase with ThromboSpondin motifs) are secreted proteases dependent on Zn2+/Ca2+, involved in physiological and pathological processes and are part of the extracellular matrix (ECM). Here, we investigated if ADAMTS-1 is required for invasion and migration of
Sung-Jin Park et al.
Nature communications, 10(1), 1111-1111 (2019-03-09)
Activated macrophages have the potential to be ideal targets for imaging inflammation. However, probe selectivity over non-activated macrophages and probe delivery to target tissue have been challenging. Here, we report a small molecule probe specific for activated macrophages, called CDg16
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