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We narrowed to 853 results for: LEA

Showing: 441 - 460 of 853 results
  1. pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs

    Type
    Blog Post
    Published
    Dec. 14, 2017, 2:08 p.m.
    ...A little over a decade back when Yamanaka and colleagues reported that it is possible to reprogram differentiated...fibroblasts and keratinocytes to peripheral blood mononuclear cells (PBMCs). PBMCs isolated from whole blood...Episomal vectors are based on the Epstein-Barr Nuclear Antigen-1 (oriP-EBNA-1) system where each vector... peripheral blood mononuclear cells...
  2. Four Base Editing Reporters to Monitor and Enrich Editing in Real-time

    Type
    Blog Post
    Published
    July 7, 2020, 1:15 p.m.
    ...and ssDNA cleavage by canonical base excision repair enzymes. At the same time Cas9n cleaves the opposing...editing of A•T to G•C in genomic DNA without DNA cleavage. Nature 551:464–471 . https://doi.org/10.1038/...and enrichment of DNA editing by APOBEC–Cas9 or cleavage by Cas9 in living cells. Nucleic Acids Research...
  3. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ... around, the plasmids are randomly positioned, leading to plasmid loss (Diaz et al., 2015).  Figure...designed small, high copy incompatible plasmids that lead to asymmetrical plasmid loss of the usually large...Addgene blog Read all of our Plasmids 101 blog posts Learn more about the origin of replication Find blog posts... Leah Schwiesow...
  4. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    Published
    Feb. 17, 2022, 2 p.m.
    ...Cas13, the "collateral" activity of the enzyme can lead to off targets and result in significant, negative...processing pre-CRISPR RNA into mature CRISPR RNA and cleaving RNA at positions defined by the target:spacer ...limited to small deletions and small insertions, leaving a several kilobase-sized gap in the gene editing...Abudayyeh. Drag-and-drop genome insertion without DNA cleavage with CRISPR-directed integrases bioRxiv 2021. ...
  5. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...researchers recognize their MANY transferable skills learned while working in the lab and offering advice on...think of creativity as a form of innovation, it’s clear that creativity is absolutely a transferable skill...get distracted by an email or sidetracked by a colleague. To innovate, you’ll have to focus. Find yourself...(2019). Embrace your weird face your fears and unleash creativity. Gallery Books. Boyes, A. (2019, November...
  6. Antibodies 101: Reading a Flow Plot

    Type
    Blog Post
    Published
    Feb. 6, 2024, 3:13 p.m.
    ... Flow data is messy, so learning how to gate takes a lot longer than learning how to read a gating strategy...visualization tool, a quadrant will often be too clean for real-world data. Most plots will have a shape...    Of course, there are many more things to learn about when diving into flow cytometry data. There...
  7. Tips for Writing a Good Cover Letter

    Type
    Blog Post
    Published
    May 21, 2024, 1:30 p.m.
    ... Make it clear that you are interested in the specific position you are applying to. Be clean and professional...letter, and if possible, send it to a mentor or colleague for a second look and helpful feedback!  What ...     Additional Resources on the Addgene Blog Learn to Develop Your Professional Network Become A Good...
  8. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ...also reversible: once the environmental trigger leaves, gene expression is no longer activated. However...N2A, 3T3) and organisms (Chavez et al., 2016). To learn more about the different types of Cas9 activators....3149 Additional Resources on the Addgene Blog Learn how to Choose the Best Cas9 Variant for Your Next...More about Genome-wide Screens with CRISPR/Cas9 Learn How CRISPR Has Been Used with AAV Resources on ...
  9. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    Published
    April 3, 2014, 8:05 p.m.
    ...elements, insulators, and silencers; however, some "leakiness" of transcription may occur. This is normally ...small RNA expression shRNA From the human U6 small nuclear promoter Constitutive  Murine U6 is also used, ...lacI or lacIq). Can be induced by IPTG or lactose. Leaky promoter with somewhat weak expression. lacIq mutation...the Addgene Blog Browse All Plasmids 101 Posts Learn about Mammalian Vectors Read about Reporter Gene...
  10. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    Published
    Sept. 5, 2017, 1:58 p.m.
    ... the nonhomologous end-joining (NHEJ) pathway, leading to nonspecific nucleotide insertions, dele­tions...allow blocking the PAM sequence (e.g. if it would lead to a missense or nonsense mutation), blocking the...the PAM as possible (see below to find out why). Please check our recent studies for details (Paquet, Kwart...28102837. Additional Resources on the Addgene Blog Learn about High Fidelity Cas9 Variants How to Design ...
  11. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...degraded by uracil DNA glycosylase (UDG) and Exonuclease III (ExoIII) (step 4). UDG recognizes uracils...from newly synthesized DNA. Lack of both enzymes leads to a buildup of uracil and the insertion of uracil...limitation is sequencing depth and cost. You need at least 100-200 reads per variant, so the more codons you...to Generate Specific Mutations in Your Plasmids Learn How You Can Use CRISPR Pooled Libraries to Generate...
  12. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    Published
    July 10, 2018, 1:08 p.m.
    ...reproducibility. These alarming results are due, at least in part, to insufficient and non-standard record...exchange information regarding lab work with your colleagues, supervisors, clients or even students, your ...track and find data and information. If an employee leaves the institution, the transition is smooth as all...scinoteELN Additional Resources on the Addgene Blog Learn about more tools for reproducibility 5 great apps...
  13. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

    Type
    Blog Post
    Published
    April 9, 2019, 1:13 p.m.
    ...protein is cleaved by proteases. Nowadays, with ample structural information available, it’s clear that the...protein is mislocalized. The APT1-mVenus fusion is clearly a better choice to work with. Inserting a fluorescent...the existing pool of protein within a cell and may lead to over-expression artifacts. This is an important...
  14. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    Published
    Nov. 16, 2021, 2:15 p.m.
    ...Addgene blog Learn about research applications of antibodies in Introduction to Antibodies Learn more about...visualization methods. Stay tuned for a future blog post to learn more about these techniques!  Direct vs. indirect...what sort of protocol you will need to use. (To learn more about antibody validation, this commentary ...
  15. The Advances Behind The World's First Personalized CRISPR Treatment

    Type
    Blog Post
    Published
    Sept. 16, 2025, 1:15 p.m.
    ...and longer genome search times. Using a machine learning approach, the lab proposed multiple sets of Cas9...editing of A•T to G•C in genomic DNA without DNA cleavage. Nature, 551(7681), 464–471. https://doi.org/10.1038...base in genomic DNA without double-stranded DNA cleavage. Nature, 533(7603), 420–424. https://doi.org/10.1038... variants via scalable engineering and machine learning. Nature, 643(8071), 539–550. https://doi.org/10.1038...
  16. Antibodies 101: Normalization and Loading Controls for Western Blots

    Type
    Blog Post
    Published
    April 8, 2025, 1:15 p.m.
    ...intuitive, qualitative interpretation of this gel is misleading. We can see why on the S-shaped curve. On the...on the band intensity axis. This effect causes misleading qualitative conclusions, and it’s also problematic...approaches Cartoons are nice and all, but we’ll leave you with this real-world comparison of different...of western blot normalization. May your blots be clear and your detection range be linear! Resources and...
  17. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    Published
    Sept. 28, 2023, 1:15 p.m.
    ...Optogenetics Guide to learn more about how these modules work, and read on to learn how they are put to ...factors (GEFs) activate their partner Rho GTPase, leading to behaviors like lamellipodia or filopodia formation...these physical processes. Joachim Goedhart and colleagues in the Gadella Lab devised a set of optogenetic...
  18. Thoughts on the Future of Research 2015 Boston Symposium

    Type
    Blog Post
    Published
    Nov. 25, 2015, 4 p.m.
    ...problems. This can lead to a lack of trust in the mentor and this training is clearly not equitable to ...assess the current state of research became more clear throughout the various sessions of the symposium...first couple of sessions of the symposium it was clear that, even though postdoc associations across different...
  19. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...strain-specific tropism.” For example, AAV-PHP.B doesn’t lead to enhanced transgene expression, compared to AAV9...mice use LY6A to cross the blood-brain barrier, leading to strain-specific tropism (See S3 table (Huang... can visit our Caltech Systemic Capsids page to learn more about that collection. Table 1: Systemic capsid...systemic AAV experiments and Addgene’s AAV Data Hub to learn more about the capsid you’re interested in. Then...Fish, K. N., & Pfenning, A. R. (2022). Machine learning sequence prioritization for cell type-specific...Troiano, E. C., Moghadaszadeh, B., Peacker, B. L., Leacock, K. A., Horwitz, N., Beggs, A. H., Wagers, A. J...
  20. Antibodies 101: The Basics of Western Blotting

    Type
    Blog Post
    Published
    March 8, 2021, 2:41 p.m.
    ...reducing agent, typically containing thiols, to cleave disulfide bonds. Load the samples, one sample per...conditions from those used by the vendor then it may lead to nonspecific binding.  Whenever possible, include...in making your own knockout line for validation, please view this tutorial from Stuart Orkin's and Daniel...protein causes a thicker band, while less protein leads to a thinner band. It is important to note, however...
Showing: 441 - 460 of 853 results