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Showing: 41 - 60 of 99 results
  1. Protocols for Molecular Biology, Plasmid Cloning, and Viral Preps

    Type
    Protocol
    ...polymerase pLKO.1 - TRC Cloning Vector Cloning protocols for using the pLKO.1 vector, a backbone used by the ...plasmid DNA to mammalian cells Lentivirus Production Produce lentivirus with a polyethyenimine (PEI) transfection...preparation Lentivirus Titration by ddPCR Use ddPCR to measure the physical titer of your lentivirus preparation...transfection protocol Fluorescence Titering Assay for Lentivirus Quantify virus using fluorescence measurements...measurements Colony Formation Titering Assay for Lentivirus Quantify virus by counting antibiotic resistant colonies...colonies Generating Stable Cell Lines with Lentivirus Genomically integrate your DNA sequence into a cell...
  2. Fluorescence Titering Assay

    Type
    Protocol
    ...Fluorescence Titering Assay for Lentivirus You may also like... Viral Vector Guides Virus Blog Posts Mol ...marker. Determining the titer of your lentiviral vector allows you to control the multiplicity of infection...used in downstream applications. Safety Warnings Lentivirus is generally considered biosafety level 2+. Please...Corning 3516 15 mL conical tubes, VWR 21008-216 Lentivirus preparation Reagent Preparation DMEM Complete...on ice prior to use. Prepare dilutions of the lentivirus into DMEM complete containing 10 μg/mL polybrene...protocol was developed using low titer lentiviral vectors (10 5 TU/mL). If you anticipate that your viral...consider additional dilutions. Dilution Volume of Lentivirus Stock (μL) Volume of DMEM complete (μL) Volume...
  3. Lentivirus ddPCR Titration

    Type
    Protocol
    ... of Lentivirus Vectors You may also like... Lentivirus Colony Formation Titration Assay Lentivirus Fluorescence... (ddPCR) for lentivirus vector titration. Protocols... Protocols ddPCR Titration of Lentivirus Vectors ddPCR Titration... use droplet digital PCR (ddPCR) to titer lentivirus vectors. This protocol specifically uses primers ...Assay AAV Titration by qPCR Addgene Viral Service Lentivirus Guide Virus Blog Posts Introduction This protocol...and surfaces with 10% bleach. Safety Warnings Lentivirus is generally considered biosafety level 2+. Please...average of several dilutions. Figure 1: ddPCR Lentivirus sample data, RRE positive (blue) and negative...
  4. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    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 ...
  5. Viral Prep Service for Plasmids and Pooled Libraries

    Type
    Collection
    ...technologies. Penn Vector Core AAV Vectors Many AAV vectors from the Penn Vector Core have been transferred to Addgene... Viral Vector Packaging Service Addgene produces high-quality viral vector preps...and we’ll make the viral vector prep you need. Packaged on Request Viral Vector Packaging Service Information...about viral vector production at Addgene, ordering information, and more. Additional Viral Vector Resources...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...
  6. Colony Formation Titering Assay

    Type
    Protocol
    ...Formation Titering Assay for Lentivirus You may also like... Viral Vector Guides Virus Blog Posts Mol ...of the lentivirus into DMEM complete containing 10 μg/mL polybrene: Dilution Volume of Lentivirus or Previous...Introduction This protocol can be used to titer lentivirus preparations that confer antibiotic resistance...Corning 3516 15 mL conical tubes, VWR 21008-216 Lentivirus preparation Reagent Preparation DMEM Complete...-Tip Different cells may be more sensitive to lentivirus or to polybrene, in which case this incubation...the indicated serial dilutions of the lentiviral vector pRosetta . The following day, cells were treated...the indicated serial dilutions of the lentiviral vector pHAGE EF1α dCas9-KRAB . The following day, cells...
  7. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    ...Browse Our Viral Vector Pages Learn About Viral Vector Biosafety Deposit Your Viral Vectors ...We offer a variety of viral vectors, viral services and even a Viral Vectors eBook to get you started. ... terrains. They are, in fact, a choice delivery vector from basic science research all the way to clinical...is more than one type of virus to choose from (lentivirus, retrovirus, AAV, etc.). When you’ve decided ... long-term, and even inducibly depending on the vector and virus. Viral CRISPR-Cas9 tools have been...interest, turning expression off permanently. Viral vectors can also be used to express proteins. Viral expression...of interest, and often a selectable marker. This vector can express your construct in target cells transiently...
  8. Viral Vectors 101: Biosensors

    Type
    Blog Post
    ...engineered into viral vectors, so if you want to use them, you’ll need to use the vectors (or redesign the ...ready to deliver your sensor, whether you choose lentivirus, gamma retrovirus, or AAV as your vehicle, we...Biosensors Viral Service: Biosensor AAV Viral Vectors 101 eBook Resources on the Addgene blog An Overview...
  9. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    ...  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...
  10. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    ...or lentiviral vectors in our previous blog posts.  Viral vector injection Viral vectors allow a tight ...is cloned into a viral shRNA expression vector and the vector particles are delivered into the brain region... region of interest. AAV or lentivirus?  Both AAV and lentiviral vectors are used for intracerebral injections.... On the other hand, lentiviral vectors are superior packaging vectors for larger genes - they can hold...around 1012-1013 vg/ml (vector genomes per milliliter) and lentiviral vectors around 108 IU/ml (infectious...using viral vectors By modulating neuronal gene expression and activity, you can use viral vectors to study...viral vectors blog posts Find tips for preparing AAVs View our Beginner's Guide to Viral Vectors Resources...
  11. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    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. Plasmids 101: The protein expression toolbox

    Type
    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...
  13. Viral Vectors

    Type
    Collection
    ...Biosafety Guide Blog: Plasmids 101-Viral Vector Elements Viral Vectors 101 eBook Overview of Viral Plasmids...engineer various types of viruses. Lentivirus Plasmids | Guide Lentiviruses are versatile tools because of... Lab Lentivector Toolbox Guide to Generating Recombinant Adenoviruses Eric Campeau's Viral Vector Guide...List of viral vector plasmids available at Addgene and other related resources. Special...Target Cell Genome Integration Immune Response Lentivirus Stable RNA <8 Kb 80-130 Dividing/Non-dividing...Guide University of Pennsylvania Vector Core Roth Lab Blog, "DREADD Users Blog" For providing scientific....2010.12.009. PMID: 21167871 Wold WSM, Toth K. Adenovirus vectors for gene therapy, vaccination and cancer gene therapy...
  14. Addgene’s Viral Service - Why Virus? Why Now?

    Type
    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 ...
  15. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    ...(scAAV) vector. Full-length ssAAV vector genome of both polarities are rescued from the vector plasmid... Primer for Beginners Read Our Lentivirus FAQ Learn about Viral Vector Elements Resources on Addgene....Addgene.org Read Our AAV Guide Find AAV Vectors Browse All Viral Vector Resources ...a type 2 ITR and a type 8 serotype. Almost all vectors contain type 2 ITRs, which comes from the AAV2 ...capsid (outer protein shell) used to package an rAAV vector; these capsids allow the virus to infect (or not...multiple small genes, you can design single rAAV vectors with multiple genes packaged in them and use elements...or second strand synthesis. In contrast, a scAAV vector with half the size of the ssAAV genome has a mutation...
  16. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    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....
  17. X-CHIME: Context Dependent Germline Knockout in Immune Cells

    Type
    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 ...
  18. Adeno Associated Virus (AAV) for Cell and Gene Therapy

    Type
    Blog Post
    ... A variety of vector delivery technologies have been investigated including lentiviruses, adenovirus, ...makes AAV vectors especially amenable to correcting disease-associated mutations. AAV vectors maintain... Check out our Viral Vectors Featured Topic Page Learn about CRISPR-AAV vectors Learn about Addgene AAV...thereby correct the mutations using retroviral vectors. However, many diseases require techniques that...usability in clinical settings. On the other hand, vectors derived from AAV have recently gained popularity...profiles as well as other benefits. What makes AAV vectors great gene delivery tools? There are a variety ... like adenovirus for productive infection. AAV vectors are engineered to provide additional safety benefits...
  19. A Novice's Perspective on Neuroscience - SfN2017

    Type
    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...
  20. AAV Vector Quality Control: Going the Extra Mile with NGS

    Type
    Blog Post
    ...blog Check out our Viral Vectors Featured Topic Page Subscribe to Viral Vectors Blog Posts Learn How We... of poor reagent quality. To make sure our AAV vectors are of the highest quality, we undertake a rigorous...To make sure that adeno-associated viral (AAV) vectors available at Addgene are suitable for in vivo studies...should you care about viral quality control? AAV vectors are produced by scientists - not robots. Unfortunately...are especially important when producing multiple vectors in parallel because the risk of accidental errors... or the cell genome can be packaged inside the vectors during production. These impurities cannot be removed...generally considered innocuous for research-grade vectors, we’d like to make sure they are present at a very...
Showing: 41 - 60 of 99 results