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We narrowed to 853 results for: Eras

Showing: 371 - 380 of 853 results
  1. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ...and their use for HDR editing and mouse-model generation. Key components of Nanoblades Nanoblades are ...hematopoietic stem cells (HSCs) using Nanoblades. Overall, editing efficiencies were between ~50-70% for ...lower rates of off-target effects. Nanoblades generated up to 76% editing efficiency in mouse BM cells...-target effects, with electroporation of RNPs generally having lower off-target edits compared to DNA ...gRNA, Cas9, and a HDR donor template DNA can be generated by incubating Nanoblade particles with polybrene...Nanoblades are a potential alternative method for generating transgenic mice strains and for non-invasive ...
  2. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    Published
    March 12, 2020, 1:15 p.m.
    ... only for translational research, such as gene therapy, but also basic research. To improve cell-type ... with high rates of labeling are ideal of gene therapy applications, promoters that produce sparse labeling...makes it easier to trace a neuron’s projections. Generating animal models: Transgenic animals allow for the...tissues, but they are costly and time-consuming to generate, especially for large animals such as primates...basic as well as translational research for gene therapy. The Roska lab hopes to design improved versions...blog Read more about using AAV for retinal gene therapy Find more about precise neuronal targeting using...
  3. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    Published
    March 15, 2016, 2:30 p.m.
    ...prep is straightforward and rapid as there are several commercially available p24 ELISA kits that can ...plasmid was used in the transfection; if preparing several different lentiviruses in parallel, this approach...expansion, and confirmation. This procedure can take several months but should be considered in labs that will...virus or require precise titers. Additional considerations for titering lentivirus Volume and transduction...4.4 (2009): 495-505. PubMed PMID: 19300443. 2. Geraerts, Martine, et al. "Comparison of lentiviral vector...predicting gene transfer events." Genetic vaccines and therapy 2.1 (2004): 1. PubMed PMID: 15291957. PubMed Central...
  4. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

    Type
    Blog Post
    Published
    June 5, 2014, 3:32 p.m.
    ...them to see how feasible they were, conducting literature reviews and having weekly journal clubs outside...this process, we had an idea that survived the literature review, survived technical feasibility analysis...evenings on the project, but still continued to generate new ideas as they popped into our heads. Anything...color change until a few months later. RevBio accelerates with help from SynBio Axlr8r We limped along ...business. We ended up applying to a business accelerator freely stating that we had an idea, knew how ...rough day, and we have great partners in this accelerator program who want us to succeed. We’re excited...
  5. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ...DNA, the CTD is also sometimes called the PAM-interacting (PI) domain. The guide RNA is bound primarily...most likely through unstructured electrostatic interactions. It also can’t recognize PAMs, so it associates... less stringent recognition mechanism that can tolerate mismatches in this region. The crystal structure.... As mentioned above, however, Cas9 sometimes tolerates mismatches in the next 8-10 bases after perfect...this region of Cas9 also allows the protein to tolerate RNA:DNA mismatches between base pairs 18 and 20...Each new structural insight also spurs the next generation of engineered CRISPR enzymes with their own tradeoffs...Molecular graphics and analyses performed with UCSF ChimeraX, developed by the Resource for Biocomputing, Visualization...
  6. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ... (cap) genes. AAV replication uses the host’s polymerase, but requires Rep proteins to process a double-stranded...consuming to prepare the 40% PEG solution. PEG takes several hours on a heated stir plate to dissolve and requires...carefully layered and then the viral suspension generated during AAV production is overlaid. Following ultracentrifugation... comparing to an AAV standard curve, which is generated from an ITR-containing plasmid. This whole process... always be included. While the physical titer generated by qPCR is useful, I test a few different concentrations...inverted terminal repeat sequences. Human gene therapy methods, 23 1, 18-28. PubMed PMID: 22428977. 2....
  7. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ...experiments require some consideration of FP properties. It is important to look out for general problems associated... judgement by simply “looking at them”. Modern cameras and image analysis software are highly sensitive...microscopy cannot be interpreted as direct molecular interaction without further investigation. One fluorescent...microscopy method commonly employed for analyzing interactions between two molecules more closely is Förster...PMC4777285. Further Reading Microscopy U. Generfal Considerations when Using Fluorescent Proteins. Ruusuvuori...
  8. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    Published
    April 26, 2022, 1:15 p.m.
    ... copy number variation (CNV) assays. There are several varieties of these, but in this blog post, we're...length of the amplicon. As the probes can have several different markers, it can also be used to run multiplex...Do you need to call exact copy numbers or just general trends? How confident do you need to be in your...Addgene blog   Droplet Digital PCR for AAV QuantificationPolymerase Chain Reaction Overview and Applications...Applications Resources on Addgene.org Protocol: Polymerase Chain Reaction (PCR) Protocol: How to Design a primer...SYBR Green I and TaqMan quantitative real-time polymerase chain reaction methods for the determination ...
  9. Tips to Make the Most of a Scientific Conference

    Type
    Blog Post
    Published
    May 23, 2019, 12:26 p.m.
    ...the conference After using your elevator pitch several times at the conference, you might notice some ...larger side? At large conferences, chances are that several talks will be going on at once in different rooms...a conference, be sure to practice beforehand. Generally, two types of people will visit your poster: those...have “tweep ups” where you can meet those you’ve interacted with on science Twitter in real life. If there...the tweep up (and for the entire conference, in general). After the conference Review your favorite conference... considered networking, but here are some more general tips. Before the conference Networking is key even...
  10. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

    Type
    Blog Post
    Published
    April 4, 2019, 12:53 p.m.
    ...that Mobile-CRISPRi is transferable into multiple bacterial species including several involved in human disease...and is stable and active for greater than 50 generations. Figure 1: Mobile-CRISPRi's modular components...highly conserved glutamine-fructose-6-phosphate aminotransferase (glmS) gene in the recipient bacteria due ...Mobile-CRISPRi to knockdown individual genes in several bacteria associated with human disease (S. aureus... library strains was measured after 6 and 12 generations with or without induction of CRISPRi knockdown...
Showing: 371 - 380 of 853 results