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  1. Antibodies 101: Flow Cytometry Controls

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    Blog Post
    ...nonspecific binding. Flow specific controls The three types of flow cytometry controls we’ll discuss are single... later gates, are more likely to require FMOs. Isotypes Isotype controls are negative controls that allow...Controls like single color controls, FMOs, and isotypes can help you more easily gate your target population...
  2. Viral Vectors 101: Biosensors

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    Blog Post
    ...and converted that signal into a readable value. Types of biosensors So now that we know what makes up ...AAVs make it possible. In AAV systems, different serotypes can be used to affect or determine viral tropism—the...your biosensor to specific tissues or cell (sub)types for expression and downstream monitoring. Nervous...
  3. AAV Q&A with Tim Miles

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    Blog Post
    ... liver, we recommend using one of the natural serotypes such as AAV9 or AAV8. Very recently an engineered...collaboration injected 1e+13 vg per mouse to get phenotypes (that’s almost 100ul/animal for the PHP.eBs that...transfer PHP.eB's enhanced CNS tropism to other serotypes, but reproducible success remains elusive.  There...
  4. A Novice's Perspective on Neuroscience - SfN2017

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    Blog Post
    ...of course, many companies selling antibodies, microscopes, and dissection tools, but there were also people...means of delivering genes to many different cell types with minimal immunological effects. AAVs are used...in experiments targeting genes to specific cell types in the brain, mapping neuronal networks, and selectively...
  5. Viral Vectors 101: Viral Vector Elements

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    Blog Post
    ... Need Virus? Check out Addgene's Viral Service! Types of viral vectors Of the many viruses out there, ...tropism of AAV to target different tissue or cell types. AAV also requires some back up from adenovirus ...production. Fun fact: There are 57 human adenovirus types, but most vectors are based on adenovirus 5 (Ad5...
  6. Supporting Rare Disease Research with the 2020 BeHEARD Awards

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    Blog Post
    ...solute channels typically expressed on other cell types can compensate for or bypass the dysfunction of ...signaling pathways and how they lead to neurological phenotypes observed.” Using genetically-encoded biosensors...neurons from patients with GNB1 mutations, the lab hopes to capture the signalosome of different receptors...
  7. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

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    ...cx43 GJB1 GJB2 Bioelectric states can alter cell types and patterning There is mounting evidence that signaling... certain patterning activities of entire tissue types or even organs. In frogs, ectopic expression of ...even lead to the formation of whole eyes from cell types that don’t typically give rise to eyes (Pai et al...
  8. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

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    Blog Post
    ...variable gene expression that can impact observed phenotypes. Factors such as the growth medium, growth temperature...expression. Because pSC101 is not representative of all types of plasmids, the stabilized promoters were also ...how the stabilized promoters perform during these types of fluctuations. When cells are dividing rapidly...
  9. Viral Vectors 101: Calcium Sensors

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    Blog Post
    ...different kinetic parameters. There are three GCaMP types based on their kinetics: GCaMPf (fast) GCaMPm (medium...-specific targeting. By employing various AAV serotypes, researchers can precisely direct the calcium ...sensor to specific tissues or even distinct cell subtypes for efficient expression and downstream monitoring...
  10. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

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    Blog Post
    ...balancer chromosomes is that they produce dominant phenotypes visible on the flies. For example, second chromosome...stubble (sb). For a better reference of various fly phenotypes, check out the Classical Genetics Simulator website...whether stocks of mutant flies exist, whether any phenotypes have been observed from mutations in the gene...
  11. Fluorescent Tagging of Endogenous Genes with SapTrap

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    Blog Post
    ...labor-intensive processes like PCR or by evaluating visual phenotypes. Improving C. elegans fluorescent protein tagging...prebuilt donor plasmid library containing several types of fluorescent (EGFP, tagRFP, mCherry) and nonfluorescent...proteins (TagGFP2, TagBFP, TagRFP, and T2A-TurboGFP-PEST), and small epitope tags (HA, Myc, Strep tag II,...
  12. CRISPR 101: Mammalian Expression Systems and Delivery Methods

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    ... is transient expression sufficient? Which cell types will you be editing? Do you want to deliver the ...cell lines. Useful for difficult to transfect cell types and can be used in vivo. A common choice for conducting...Electroporation / Nucleofection Microinjection Cells Many types Single cells Cargo Nucleic acids or protein Nucleic...
  13. Genome-wide Screening Using CRISPR

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    ... of cells as starting material. Therefore, cell types that are of low abundance are not particularly well... controls, multiple replicates and several cell types can strengthen your results. Enrichment or depletion... bit about how CRISPR/Cas9 can be used in other types of experiments, check out our CRISPR Plasmids and...
  14. MXS Chaining

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    Blog Post
    ...strategies available for assembling these modular types of constructs, and different methods are suited ...specific restriction enzymes used affect what general types of modules can be assembled. For example, because... MXS-chaining method can be used to build these types of constructs robustly, quickly, and simply. We ...
  15. AAVs in Retinal Gene Therapy

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    Blog Post
    ...in Luxturna™, can efficiently transduce various types of retinal neurons. Nowadays a toolbox of naturally...naturally occurring and engineered AAV serotypes that further expands the range of AAV properties is available...available. While only natural serotypes are currently used in clinical trials, a variety of engineered ones...
  16. CRISPR 101: Making a Knock-In Cell Line

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    Blog Post
    ...majority of cellular repair events will generate these types of mutations, making it an ‘easy’ editing job to... DNA repair, with this rate varying across cell types. Variance can be caused by cell cycle rates; rapidly...about optimizing this distance. Homology arms and types of donors To make sure your donor molecule is used...
  17. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

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    ...on the search page to quickly jump to different types of items: Did you notice the “Filter By…” options...The search bar will suggest direct links to other types of searches including depositing labs and institutions...can’t browse through 300+ plasmids. Under ‘Vector Types’ I selected ‘Lentiviral’ which eliminates most of...
  18. An Introduction to Adenovirus

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    Blog Post
    ...persistent transgene expression in certain cell types (Tatsis et al., 2007), potentially because some ...Addgene’s repository is smaller than for other vector types, we hope that this introduction gives a sense of...Production and Troubleshooting Viral Vectors 101: Types of Viruses...
Showing: 181 - 200 of 513 results