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We narrowed to 614 results for: CaS;

Showing: 91 - 100 of 614 results
  1. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    Published
    Feb. 13, 2025, 2:15 p.m.
    ...as a template. To do so, they used a Cas nickase, instead of dCas9. The resulting editor, BE3, nicks the...editing requires three elements. They are, broadly: A Cas protein (catalytically dead or nickase) fused to ...a deaminase that makes the edit A gRNA targeting Cas to a specific locus A target base for editing within...within the editing window specified by the Cas protein These elements were the starting point towards ...evolution of an adenine base editor with improved Cas domain compatibility and activity. Nature Biotechnology...individual Cas9. They also mutagenized the cytidine deaminase portion of the base editor to create SpCas9 base..., a base editor containing high fidelity Cas9 variant HF-Cas9 (Rees et al., 2017). HF-BE3 showed 37-fold...
  2. Antibodies 101: Isotypes

    Type
    Blog Post
    Published
    Oct. 19, 2021, 1:15 p.m.
    ...    References and resources References Janeway CA Jr, Travers P, Walport M, et al. Immunobiology: The...https://www.ncbi.nlm.nih.gov/books/NBK27106/  Janeway CA Jr, Travers P, Walport M, et al. Immunobiology: The...complement system proteins, which can initiate a cascade that helps attack extracellular pathogens.  Transportation...encode those proteins are designated by the lower-case Greek letters μ, δ, γ, ε, and α. Some isotypes have...
  3. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

    Type
    Blog Post
    Published
    May 26, 2020, 1:15 p.m.
    ...reversible, integrated reporter for assaying CRISPR/Cas-stimulated HDR activity) The Madison lab created ...fcell.2018.00054 Sander JD, Joung JK (2014) CRISPR-Cas systems for editing, regulating and targeting genomes...contains Cas9. The Madison lab also created an inducible SRIRACCHA system (iSRIRACCHA) where Cas9 expression... labor intensive and quite time consuming.   As Cas9/gRNA activity is crucial for successful CRISPR editing...the scientific community for efficient real-time Cas9 activity assays. Recently scientists have created...fluorescent reporter assays to quantify targeted Cas9 cleavage, and repair through homology directed repair...containing the reporter gene that was cleaved by Cas9 and repaired via HDR using the supplied donor plasmid...
  4. Developing a cold tolerant E. coli using specialized chaperones

    Type
    Blog Post
    Published
    Jan. 28, 2020, 2:35 p.m.
    ... stable Cas expression under low temperature conditions, thereby enabling efficient CRISPR-Cas mediated... our strategy using the pMBP-LbCas12a and pC013-Twinstrep-SUMO-huLwCas13a plasmids from Addgene, which...
  5. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...al. Chemically modified guide RNAs enhance CRISPR-Cas genome editing in human primary cells. Nat Biotechnol...Photoswitchable gRNAs for Spatiotemporally Controlled CRSIPR-Cas-based Genomic Regulation. ACS 6, 5, 695-703 (2020...surprise then that stability of the RNA used in CRISPR-Cas9 experiments – the “gRNA” – suffers from the same...still effectively serving their function of guiding Cas9 to generate a targeted break. These advances in ...modifications The recognition sequence for CRISPR-Cas9 targeting is led by a ~20 bp gRNA which is part ...trans-activating crRNA (tracrRNA) which interacts with the Cas9 protein. These RNA molecules are vulnerable to attack...partially DNA gRNA is surprisingly well-tolerated by the Cas9 protein and can increase on-target efficiency. In...
  6. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...advantage to using the CRISPR/Cas system for genome engineering is the fact that Cas9 can be easily programmed...https://doi.org/10.1016/j.cell.2013.08.021 Waters CA, Strande NT, Pryor JM, Strom CN, Mieczkowski P, Burkhalter.... Repair of Cas9-induced breaks by NHEJ As illustrated below, NHEJ-mediated repair of Cas9-generated breaks...discuss NHEJ, and how it impacts what happens to Cas9-mediated DSBs in the genome. Non-homologous end...consequently the principal means by which CRISPR/Cas9-introduced breaks are repaired. The following factors...introduce indels. Given the end structure of the Cas9 DSB (blunt or near-blunt ends without nucleotide...population of cells constitutively expressing a targeted Cas9 should possess indels in the majority of their chromosomes...
  7. The 12 Days of CRISPR: 2021

    Type
    Blog Post
    Published
    Dec. 28, 2021, 2:15 p.m.
    ...of CRISPR, Addgene gave to me: a miniature CRISPR-Cas system for mammalian use. On the second day of CRISPR...: efficient CRISPR editing with a hypercompact Cas12f1 and engineered guide RNAs. On the sixth day of ...programmed genome editing by a miniature CRISPR-Cas12f nuclease. On the eighth day of CRISPR, Addgene ...the eleventh day of CRISPR, Addgene gave to me: a Cas9 nickase 101 blog post.  On the twelfth day of CRISPR...
  8. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ...Yang, J. et al. (7) wished to trigger intracellular Ca++ release with an optogenetic receptor, melanopsin...composed of Venus fluorescent protein, the Troponin C Ca++ binding domain, and NanoLuc® Luciferase. CalFlux...stimulation with NanoLuc-based luminescence (BRET) Ca++ sensing. Nature Comm. 7, 13268. PubMed PMID: 27786307...endogenous tagged genes generated through CRISPR/Cas9 knock-in. Finally, NLuc is very inviting for endogenous...of photobleaching, autofluorescence, and, in the case of exciting cyan-excitable donors, phototoxicity...
  9. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    Published
    Jan. 26, 2016, 3:30 p.m.
    ...Thakore PI, Majoros WH, Reddy TE, Gersbach CA. Multiplex CRISPR/Cas9-based genome editing for correction of...Ran FA, Yan WX, Asokan A, Zhang F, Duan D, Gersbach CA. In vivo genome editing improves muscle function ...Perez-Pinera P, Brown MT, Majoros WH, Reddy TE, Gersbach CA. Correction of dystrophin expression in cells from...long period of time. High fidelity Cas9s such as eSpCas9 and SpCas9-HF should be explored to reduce off-target...mutation in dystrophin exon 23. Long et al. used SpCas9 in conjunction with AAV9, whereas Nelson et al....al. and Tabebordbar et al. used the shorter SaCas9 with AAV8 and AAV9, respectively. Although each study... it’s important to realize that DMD is a simpler case than other genetic diseases we’d like to treat with...
  10. The 12 Days of CRISPR

    Type
    Blog Post
    Published
    Jan. 3, 2023, 2:15 p.m.
    ... 11th day of CRISPR, Addgene gave to me: Cas-E-le-ven! (Cas11)🎵 On the 10th day of CRISPR, Addgene gave...🎵 On the 3rd day of CRISPR, Addgene gave to me: dCas9-based gene editing for cleavage-free genomic knock-in...day of CRISPR, Addgene gave to me: High-fidelity Cas13 variants for targeted RNA degradation with minimal...
Showing: 91 - 100 of 614 results