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We narrowed to 60 results for: lentiviral particles

Showing: 21 - 40 of 60 results
  1. What's New in CRISPR - December 2019

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    Blog Post
    ... ribonucleoprotein delivery by lentiviral capsid-based bionanoparticle Transient expression of CRISPR/..., Baisong Lu’s lab developed a lentiviral capsid-based bionanoparticle system for packaging Cas9/gRNA ...aptamer binding protein for packaging into a lentivirus-like particle. Read the paper in Nucleic Acids Research...Base editors CRISPR toolkit for epitope tagging Lentiviral capsid-based Cas9/gRNA ribonucleoprotein delivery...
  2. Overcoming the Challenges of Lentiviral Production

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    Blog Post
    ...different generations of lentiviral packaging systems please see Addgene’s Lentiviral Guide. While the third...more tips on lentiviral titering please see our blog post. Between choosing the best lentiviral system, producing... While lentiviral vectors are popular gene delivery tools, producing lentivirus, can pose certain challenges...Talking 'bout my (lentiviral) generation The first step in delivering genes via lentivirus is deciding what...the Addgene Blog Your lentiviral FAQs answered Tips for titering your lentivirus Visit the viral vector...topic page Resources on Addgene.org Lentiviral Guide Find lentivirus plasmids Browse all viral vectors ...a particular experiment. The newer generation lentiviral packaging systems were designed to prevent the...
  3. Lentivirus Plasmids

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    ... safety. Lentiviral Vector Guide Popular Lentiviral Transfer Plasmids Looking for lentiviral plasmids ...feature of lentiviral vectors is that the components necessary to produce an infectious viral particle (a virion...at Addgene. Read our Lentiviral Vector Guide for more information about lentiviral components, generations... Additional Resources Lentiviral Vector Guide Addgene’s Viral Service Lentiviral Pooled Libraries All ...Addgene lentiviral packaging, envelope, and transfer plasmids Viral... Viral Plasmids Lentiviral Plasmids Lentiviral...highlights popular second- and third-generation lentiviral packaging, envelope, and transfer plasmids available...
  4. Getting the Most from Your Lentiviral Transduction

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    Blog Post
    ...Things Lentivirus with our Lentiviral Guide Pages Deposit Your Lentiviral Vectors ...exchanges may also impact the quality of the lentiviral particles you harvest. Studies have demonstrated that...success of your lentiviral transduction. The effect of freeze-thaw cycles on lentiviral stability depends...a successful lentiviral infection, happy virus is the second. When harvesting lentivirus, some labs prefer... when the lentiviral stock needs to be titrated. If storing for less than a day, lentivirus can be kept... targets for a lentivirus are determined by the envelop protein. Many times lentiviral vectors are engineered...for some tips for getting the most out of your lentiviral transduction experiments. Love your cells and...
  5. Deciphering the Mysteries of Behavior with Viral Vectors

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    Blog Post
    ...recent study investigated the injection of AAV8 particles expressing an activating chemogentic receptor ...depression. The researchers found that injecting lentiviral vectors expressing BDNF in the hippocampus causes...activate the Drd1 neurons, they injected AAV2 particles into a Drd1-Cre transgenic mouse to deliver Cre-dependent...Chandrasekar, and Jean-Luc Dreyer. "Selective lentiviral-mediated suppression of microRNA124a in the hippocampus...floating. In the same paper, the authors used lentivirus to introduce an shRNA to downregulate expression...
  6. Multiplexed Overexpression of Regulatory Factors (MORF) collection

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    Blog Post
    .... 1: Barcoded TF library was packaged in lentiviral particles and used to transduce human embryonic stem...Blog Learn More about Lentivirus Figure out How to Get the Most from Your Lentiviral Transduction Additional... individually overexpressed and available for lentiviral packaging and delivery to target cells as a pooled...
  7. Protocol - pLKO.1 – TRC Cloning Vector

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    Protocol
    ...Producing Lentiviral Particles E.1 Recommended materials E.2 Protocol for producing lentiviral particles F. ...direct transfection, or can be converted into lentiviral particles for subsequent infection of a target cell...for producing viral particles. pMD2.G Envelope plasmid for producing viral particles. Note: pLKO.1 can ...hairpin sequence. Back to Top E. Producing Lentiviral Particles Before this step, you must contact your ...experiments, Addgene recommends that you generate lentiviral particles and infect the target cells. Addition of...RNAi Tools page. E.2 Protocol for Producing Lentiviral Particles This protocol is for transfection in a 6...polypropylene storage tube. The media contains your lentiviral particles. Store at 4°C. m. Add 5 mL of fresh media...
  8. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ... well as the viral LTRs, differ. As a result, lentiviral and γ-retroviral packaging plasmids are not interchangeable...using 293T cells This method is very similar to lentiviral packaging methods. The three components described...Precursor structural protein of the retroviral particle containing Matrix, Capsid, and Nucleocapsid components...found within both the 5' and 3' LTRs of retro/lentiviral plasmids. U5; Unique 5'; region at the 5' end... cells a virus can infect. Note: While both lentiviruses and γ-retroviruses use the same gene products...How do engineered γ-retroviruses differ from lentiviruses? There are a few important differences between...between engineered γ-retroviruses and lentiviruses. First, these viruses were derived from different genomes...
  9. Plan Your Experiment

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    ...produce the viral particles. Then you transduce your cells using the viral particles before you continue...production, see our viral vector guides . Lentiviral vectors Lentiviral vectors are a popular option for producing...types like primary cells. For CRISPR delivery, lentiviral and adeno-associated virus (AAV) vectors are ...CRISPR components) integrates into the genome. Lentiviral vectors are a good option for difficult-to-transfect...we don’t discuss CRISPR screens in this guide, lentiviral vectors are a common choice for conducting genome-wide...CRISPR . Browse Addgene's collection of in-stock lentiviral preps . AAV vectors AAV vectors offer some advantages...advantages for viral vector delivery. Both lentiviral and AAV vectors are safe to use in the lab, but ...
  10. 5 Tips for Troubleshooting Viral Transductions

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    Blog Post
    ...stock, followed by resuspension of the collected particles in a smaller volume. Always remove packaging cell...reagents typically enhance the adsorption of a virus particle to a target cell by reducing the repulsive electrostatic...an accurate count of the number of infectious particles in a given viral stock will give you a sense of...out Our Primer for Beginners! Learn All about Lentiviral Vectors Additional Resources on the Addgene....
  11. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

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    Blog Post
    ...) Protocol and Reagents for Pseudotyping Lentiviral Particles with SARS-CoV-2 Spike Protein for Neutralization...19 pandemic, the Krogan lab at UCSF generated lentiviral vectors expressing SARS-CoV-2 open reading frames...all but one are cloned into pLVX vectors (for lentiviral packaging) and contain an IRES-Puro marker for...published a protocol and reagents for pseudotyping lentivirus with the SARS-CoV-2 spike protein. They deposited...
  12. Production of Virus in Insect Versus Mammalian Cells

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    Blog Post
    ...there are many cases where the specific viral particles you need are not available, or the cost of custom...-293T cells. If you titrate your viral preps, lentiviral titration requires an additional couple of days...require cloning specific AAV or lentiviral machinery into a baculovirus plasmid. Production of baculovirus...baculovirus construct, called a bacmid. Like AAV and lentiviral packaging plasmids, bacmids are readily available...cells Viruses AAV and lentivirus Baculovirus; can produce AAV and lentivirus if needed # of plasmids...Overcoming the Challenges of Lentivirus Production Tips for Titering Your Lentivirus Preps More resources on...fast-growing, and widely available. The viruses Lentiviruses, AAV, and adenoviruses can all be produced in...
  13. Hot Plasmids: Spring 2025

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    Blog Post
    ...HA-EGFP Puro (Addgene #236081), then generated lentiviral particles in HEK293T cells with pMD2.G (Addgene #12259...tailored deactivation rates Addgene's own empty lentiviral backbones New recombinant antibodies for Glypicans...very own set of empty, HA-, and EGFP-expressing lentiviral backbones designed right here at Addgene. Here's...launching later this year!  Find Addgene's own Lentiviral backbone plasmids here! Figure 2: Addgene...Addgene #12260). HeLa cells were infected with 96 h lentiviral supernatant and selected with puromycin. Puromycin-resistant...
  14. Virus Protocol - Generating Stable Cell Lines

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    Protocol
    ...cells that have taken up the lentiviral transgene. Note that not all lentiviral vectors deliver antibiotic...Thaw the lentiviral aliquot on ice prior to use. Prepare a range of dilutions of the lentivirus in DMEM.... This is because lentiviral integration is random. Given the MOI of the lentivirus used, cells may also...an integrated lentiviral vector. Protocols...expressing a gene of interest from an integrated lentiviral vector. Unlike the short-term protein expression...transfection approaches, generating cell lines using lentiviral vectors enables long-term protein expression ...associated with repeated transient transfection. Some lentiviral vectors deliver mammalian antibiotic resistance...
  15. Neurodegeneration Research Collection

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    ...AAV viral preps for systemic delivery of viral particles that will target the central nervous system, peripheral...more. Convert iPSCs to neurons with inducible lentiviral expression constructs: pLVX-UbC-rtTA-Ngn2:2A:...transcription factors in a single polycistronic lentiviral vector . (Addis et al. PLoS One. 2011) See More...
  16. Viral Vectors 101: Transductions

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    ...will ensure the virus gets produced, and viral particles are packaged, when the vector is expressed. Once...expressed within the production cell line, viral particles will be produced and packaged, resulting in functional...functional virions. These viral particles can infect other cells, but since the majority of the viral ...be collected for the transduction step. Viral particles are secreted into the cellular media, making viral...like to infect with the virus. Then the viral particles do the rest! Downstream expression or integration...1: Transduction to expression process. A viral particle enters a host cell, enters the host nucleus, is...perform the transduction with: either retrovirus, lentivirus, adenovirus, or AAV. Then, your desired DNA to...
  17. Hot Plasmids - November 2023

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    ...components to reprogram delivery vehicles like lentiviral vectors, CreVLPs, and eVLPs for in vivo and in...   Figure 2: Modular features of DIRECTED particles where the fusion and targeting components are ...cytoplasm and can be fluorescently labeled. Using lentiviral vectors to stably or inducibly express tagged... to target multiple delivery systems, such as lentivirus and MMLV gag, to specific cell types. It can ...
  18. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

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    Blog Post
    ...incapable of producing infectious virus (similar to lentiviral vectors) because they do not encode all of the...transcription and replication competent virus-like particles and beyond: reverse genetics systems for filoviruses...Addgene.org Browse Our Viral Vector Plasmids Read Our Lentiviral Vector Guide Read Our AAV Guide  ...
  19. Delivery Methods for Generating iPSCs

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    ...considered safe for clinical applications.     LentiviralLentiviral vectors infect dividing and nondividing...Excisable Cre-lox lentiviral vectors: This approach is the same as using a standard lentiviral vector, but ... require the use of potentially harmful viral particles that express oncogenes, such as Myc. Viral vectors...available from Addgene. Another drawback is that lentiviral vectors insert in different genetic locations...could be affected by the location of insertion. Lentiviral insertion can also disrupt the expression of ...phenotype in infected cells. Like retroviruses, lentiviral delivery is not considered safe for clinical ...plasmids if you’re interested in Tet-inducible lentiviral expression of OSKM reprogramming factors: ...
  20. Viral Vectors 101: What is a Virus (and a Viral Vector)?

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    Blog Post
    ...of virus, not the individual viral particles. A single viral particle is called a virion. Finally, viral...they’re alive or not. Yet these simple, small particles have quite the outsized impact — and not just ...many After a virion infects a cell, the single particle creates many copies of itself, sometimes up to...eliminate their replicative ability. The remaining particle, which retains the protein coat (and envelope)...genetic payload to a cell but cannot create new particles. As a bonus, this increases the carrying capacity...after the viruses they’re derived from: AAVs, lentivirus, gamma retrovirus, and adenovirus. And now that...
Showing: 21 - 40 of 60 results