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We narrowed to 98 results for: lentivirus vectors

Showing: 41 - 60 of 98 results
  1. Viral Production at Addgene

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    Blog Post
    ... with viral vector manufacturing facilities, such as the University of Pennsylvania Vector Core. Transfections...Pennsylvania Vector Core. In general, titering is performed by the facility that produced the viral vector lot....Empty vector particles can be identified after negative staining and appear darker than full vector particles...Electron micrograph of AAV vector preparation shows that the vast majority of the vectors consist of full particles...our virus protocols. Browse our AAV vector collection. Lentivirus Production Lentiviral preparations ...to determine which facility produced your viral vector lot. At Addgene, AAV particles are titered by droplet...method.  Titering by the University of Pennsylvania Vector Core is (as of April 2016) also performed by ddPCR...
  2. Multiplex Genome Editing with CRISPR-Cpf1

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    Blog Post
    ...expression vectors which are often more difficult to transfect or package into viral vectors. Cas9 multiplexing...Cpf1 multiplex system from a lentiviral vector.  Lentiviruses carry a (+) strand RNA copy of the DNA sequence... 1) Most rely on transfection of more than one vector to express the gRNAs and Cas9. Co-transfections...multiplexing vectors are larger because they require regulatory sequences to allow for expression of multiple...Yamamoto Lab Golden Gate Assembly transfection One vector expresses Cas9 and up to 7 gRNAs Each gRNA requires...Expression Cassettes lentiviral transduction One vector expresses Cas9, eGFP, and up to 4 gRNAs Each gRNA... options for Cpf1 multiplexing: Transfection, lentivirus, and AAV Cpf1’s ability to process its own pre-crRNA...
  3. New Tools Enable CRISPRa for Neuroscience Applications

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    Blog Post
    ...Neuron-optimized viral vectors Alternatively, Cas9 activators can be delivered to the CNS by lentivirus, which has...lentiviral vectors for in vitro and in vivo CRISPRa (Savell et al., 2019). This dual lentivirus system pairs...including transgenic mice, neuron-optimized viral vectors, and high-throughput screening approaches. Here...largely precludes delivery by adeno-associated vectors (AAV). This issue was recently circumvented by ... ubiquitous expression of sgRNA(s) and mCherry (vector 1) with neuron-specific expression of dCas9-VPR... such as EF-1α and CAG. Figure 2: Dual lentivirus system with ubiquitous expression of sgRNA (top...BioRender.com. The Day Lab used their optimized vectors to highlight a key advantage of CRISPRa over traditional...
  4. Your Top Requested Plasmid in 2015!

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    Blog Post
    ...suggests, lentiCRISPR v2 is a lentiviral transfer vector used to deliver both Cas9 and your gRNA of interest...lentiviral titer as compared to previous lentiviral vectors. It can be used both to knock-out single genes ...backbone for their many gRNAs. The high titer lentivirus production afforded by lentiCRISPR v2 is key ...is available from Addgene both as a single empty vector and in pooled libraries containing thousands of...Neville E., Ophir Shalem, and Feng Zhang. "Improved vectors and genome-wide libraries for CRISPR screening....
  5. Delivery Methods for Generating iPSCs

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    Blog Post
    ...so either a single polycistronic vector or multiple single-gene vectors can be used to package reprogramming...reprogramming vectors available from Addgene. Another drawback is that lentiviral vectors insert in different...Cre-lox lentiviral vectors: This approach is the same as using a standard lentiviral vector, but transient...Non-integrating iPSC delivery methods Viral Vectors Adenovirus: Adenoviral vectors infect dividing and nondividing...reprogramming factors: Mouse Expression Vectors Human Expression Vectors Carey et al Hockemeyer et al Brambrink...transgene reactivation, residual expression Lentivirus Integrating High Low Efficient and Stable Genome...Excisible Medium Medium Generates transgene-free and vector-free cells Genome integration Need to sequence...
  6. Tips for a 1st time AAV user (by a Rookie AAV user)

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    Blog Post
    ...My lab's vector of choice is AAV, with nearly every experiment requiring AAV. Before joining my lab, ...always make more AAV than I think I need. Unlike lentivirus, AAV requires a higher number of viral particles...Production of recombinant adeno-associated viral vectors for in vitro and in vivo use. Current protocols...Addgene.org Learn how Addgene produces AAV and lentivirus Check out Addgene's virus protocols Find AAV ...
  7. Plasmids for Stem Cell Research

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    ... 3(3):346-53. Jaenisch Lentivirus Human Single polycistronic lentiviral vector for the expression of human.... 27(5):1042-9. Townes Lentivirus Human Single polycistronic lentiviral vector for the expression of human...-9. Cibelli Lentivirus Human Single polycistronic, doxycycline-inducible lentiviral vector for the expression...151-9. Jaenisch Lentivirus Mouse Polycistronic, doxycycline-inducible lentiviral vectors for the expression...polycistronic vector. Proc Natl Acad Sci U S A. 2009 Jan 6. 106(1):157-62. Jaenisch Lentivirus Mouse Doxycycline-inducible...):766-70. Nagy Lentivirus Mouse Polycistronic, doxycycline-inducible lentiviral vectors for the expression...Delivery Method Species Description Article PI Lentivirus Human Expression of human Oct4, Sox2, Klf4, Myc...
  8. Viral Production

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    Collection
    ... with viral vector manufacturing facilities, such as the University of Pennsylvania Vector Core. Transfections...Pennsylvania Vector Core. In general, titering is performed by the facility that produced the viral vector lot....Empty vector particles can be identified after negative staining and appear darker than full vector particles...Electron micrograph of AAV vector preparation shows that the vast majority of the vectors consist of full particles...virus protocols . Browse our AAV vectors collection. AAV Data Hub Lentivirus Production Lentiviral preparations...production methods and quality control for lentivirus and AAV. Viral... Viral Vector Packaging Service Viral Production...
  9. Lentiviral Prep Service

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    Collection
    ... Viral Vector Packaging Service Lentivirus Browse In-Stock Lentivirus Pooled CRISPR Libraries...Ready-to-use lentivirus available from Addgene's viral vector packaging service. Browse constructs currently...more details about our viral vector packaging service, visit our Viral Vector Packaging Service page . Pooled...Pooled Barcoding Libraries Control Addgene's lentiviruses are made from plasmids that are currently in... viral preparation from the inventory below. Lentiviruses are distributed as purified viral particles ...controlss Puromycin John Doench , David Root Cas9 Lentivirus Cas9 viruses can be used to interrogate the genome... (D10A, N863A) Blasticidin 3rd generation lenti vector encoding dCAS9-VP64 with 2A Blast resistance marker...
  10. A 400-Plasmid Collection for Making Immune Cells from Scratch

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    Blog Post
    ...collection consists of 408 barcoded lentiviral vectors encoding TFs specific to the immune system (Figure...lines as well. Following arrayed virus production, vectors are pooled and co-transduced into human cells. ...Additional resources on the Addgene blog Lentiviral Vector Uses and Overview Antibodies 101: Flow Cytometry...collection Resources on addgene.org Addgene’s Lentivirus Guide The MORF Collection and pooled library ...
  11. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...methylation and activate transcription. A lentiviral vector with the same modifier, Fuw-dCas9-Tet1CD, is available...Jaenisch’s lab in plasmid form or as ready-to-use lentivirus. Figure 2: dCas9-Tet1 demethylates cytosines...with the former also available as ready-to-use lentivirus. Figure 3: dCas9-DNMT3A methylates cytosines... targeted enhancers. Although the lab used this vector in chick embryos, it also functions in mammalian...and this fusion allows for packaging into viral vectors and targeted delivery into hard-to-manipulate cell...targeting to a wider set of genomic targets. These two vectors are part of the larger pMVP/pMAGIC cloning system...
  12. X-CHIME: Context Dependent Germline Knockout in Immune Cells

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    Blog Post
    ...Cas9) hematopoietic stem cells with a lentiviral vector containing a gRNA. These transduced stem cells ...custom mouse strains and lentiviral expression vectors (Table 1). The four systems Name Function...pXPR_071, a plasmid that leads to higher titer lentivirus preparations than the first generation CHIME ...
  13. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

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    Blog Post
    ...Lines with Lentivirus Isolating a Monoclonal Cell Population by Limiting Dilution Lentivirus Production...expressing Cas9 via transduction with Cas9 lentiviral vector, lentiCas9-Blast (52962-LV, Figure 1). Some cells...of A549 cells transduced with Cas9 expressing lentivirus at the indicated multiplicity of infection (MOI...gift from Feng Zhang and is described in Improved vectors and genome-wide libraries for CRISPR screening....
  14. 15 Years of Addgene: The Top 15 Plasmids

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    ...  Find the scrambled shRNA vector. pLKO.1 - TRC cloning vector - This vector from the David Root lab is...our CRISPR posts Read our viral vector blog posts Read our lentivirus guide Resources on the Addgene ...opening our UK office in 2014, to starting our viral vector service in 2016...we’re excited to help scientists... be used with 2nd or 3rd generation lentiviral vectors and an envelope expressing plasmid, such as our...lentiCRISPR v2 - This 3rd generation lentiviral transfer vector also from the Zhang lab is used to deliver Cas9...your gRNA of interest into mammalian cells. This vector was the top requested plasmid of 2015. What makes... This plasmid from the Zhang lab is a mammalian vector that expresses both SpCas9 and your gRNAs and was...
  15. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ...new team to push this project forward. The viral vector project team develops methods, performs extensive...generates  educational materials, and provides viral vector technical service (details about virus production...develop shipping systems and protocols for viral vectors to reach scientists around the world. Our Software...fantastically useful educational content on viral vectors.  How Addgene’s Viral Service will help scientists...speeds science and we are proud to be adding viral vector services to our repertoire. Additional Resources...the Addgene Blog Check Out the Top Requested Lentivirus and AAV of 2016 Learn How You Can Use the Viral...Addgene.org Find Virus Protocols Visit Our Viral Vector Pages Find Virus for Your Research ...
  16. A Novice's Perspective on Neuroscience - SfN2017

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    Blog Post
    ...virus (AAV) and lentivirus are now available from Addgene. While super useful, these vectors require a bit...to generate new knockout mice, using adenoviral vectors to deliver IGF receptors to the brain, and probing...individual labs to make efficiently. For select viral vectors in the repository, you can instead have Addgene... into neuroscience, you could look to our viral vector pages on the Addgene website and on the Addgene...
  17. Plasmids 101: The protein expression toolbox

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    Blog Post
    ...knock out plasmids? Check out our Cre vector and Murine LoxP vector.   Turn it off for a little while Transient...? Check out our Retro expression vector and Lenti expression vector. Turn it on for just a little while...out Addgene's Lentiviral dCas9 SAM vector and Piggybac dCas9 SAM vector! On/off control all the time If ...Addgene's Lentiviral dTAG cloning vector and SMASh degron tagging vector! Destabilizing domains Destabilizing...mechanism to integrate your choice cDNA. Both lentivirus and retrovirus can package cDNAs for genomic ...Lentiviral Tet-on and AAVS1 targeted Tet-on transgene vector. Degron tags Tagging relevant proteins with a degron...levels. Looking for a DD? Check out our DD-Cas9 vector! The price of tunable control These systems can...
  18. Important Considerations When Using AAVs

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    Blog Post
    ... AAV vectors without specific facilities (Biosafety Level-1). Other possible tools, lentiviruses for example...Immune Response: Compared to other viral vectors (e.g. Lentivirus, Adenovirus) AAVs cause the least amount...-associated viral vectors: packaging capacity and the role of rep proteins in vector purity." Human gene...Cas9 and AAV Viral Vector Elements Additional Resources on Addgene.org Find AAV Vectors for Your Research...Future? I knew little about adeno-associated Viral Vectors (AAVs) before starting my graduate program at the...in locomotion. We have relied heavily upon AAV vectors to deliver chemogenetic/optogenetic constructs ...Although they have a small packaging capacity, AAV vectors were suitable for our needs for the following reasons...
  19. Viral Prep Service for Plasmids and Pooled Libraries

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    ...technologies. Penn Vector Core AAV Vectors Many AAV vectors from the Penn Vector Core have been transferred to Addgene...the viral vector prep you need to get your experiments started more quickly. Each viral vector is produced...biosafety of viral vectors, and general biosafety guidelines. Addgene Blog: Viral Vector Posts Content from...aspects of viral vectors, including troubleshooting advice and explanations of viral vector technologies....of particular Penn Vector Core catalog items. Virus-associated DNA Each viral vector service request will...Viral preparation options include lentivirus and AAV. Viral... Viral Vector Packaging Service Addgene offers flexible...
  20. 27 Hot Plasmids from 2016

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    Blog Post
    ...expression vectors with various promoters suitable for in vivo expression, and/or produce vectors to make...prototrophic strains. The vectors were based on the original EasyClone vectors (Jensen et al 2013) allow...donor vectors containing mAID and either Neo or Hygro resistance markers with CRISPR/Cas vectors targeting...use the library, the authors packaged it into lentivirus and used the resulting lentiviral library to ... interest and cloned into provided destination vectors using low-cost, one-pot golden gate cloning that... Jacks Lab constructed several GMAP-compatible vectors for a wide variety of biological applications. .... First, GMAP-compatible backbones for lentivirus LV 1-5 and retrovirus RV 2-5 were constructed. The authors...
Showing: 41 - 60 of 98 results