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Showing: 31 - 43 of 43 results
  1. Delivery Methods for Generating iPSCs

    Type
    Blog Post
    Published
    April 17, 2018, 1:37 p.m.
    ...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: ...
  2. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    Published
    June 6, 2023, 1:15 p.m.
    ...-studied lentivirus is HIV, which many lentiviral tools have been derived from. Lentiviruses have slightly...Unlike gamma, lentivirus can infect both dividing and non-dividing cells. Lenti particles enter the nucleus... with immortalized cell line cultures. Lentivirus Lentivirus is a type of retrovirus and shares many ... commonly used lab viruses: gamma-retrovirus, lentivirus, adenovirus, and adeno-associated virus. Gamma-retrovirus...nucleus as gamma-retroviruses do. Fun fact: Since lentivirus and gamma-retrovirus are so closely related, ...specific virus? We have you covered with guides on lentivirus, retrovirus, adenovirus, and AAV. If you’re wondering...
  3. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...think I need. Unlike lentivirus, AAV requires a higher number of viral particles for efficient gene transfer...alone. If yield is important, or if the viral particles of the AAV serotype you’re working with are primarily...ethanol and dry ice bath to release the virus particles from the cells. Cell lysates are then treated ...quantifies the number of genome-containing viral particles that are present in an AAV prep. AAV samples are...Addgene.org Learn how Addgene produces AAV and lentivirus Check out Addgene's virus protocols Find AAV ...
  4. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ...production of viral particles, and transduction of a target cell line with those particles. Since the Env,...extra steps to ensure that particles are not sprayed into the air. For lentivirus and other BSL-2 materials...viruses grown in the lab are gamma retrovirus, lentivirus, adenovirus, and adeno-associated virus (AAV)...humans, earning this virus a BSL-2 classification. Lentivirus (a type of retrovirus) and gamma retrovirus require...and required in BSL-2 labs. When working with lentivirus, many organizations require or recommend disposable...you have to work with BSL-2 materials, such as lentivirus. Most of this work will need to be done in a ...for extra security. Finally, when spinning down lentivirus, you’ll need to use centrifuge bin covers, which...
  5. Viral Vectors 101: Producing Your rAAV

    Type
    Blog Post
    Published
    July 16, 2024, 1:15 p.m.
    ...infectious titer, meaning the concentration of viral particles that can transduce cells, which can vary based...physical titers, meaning the concentration of viral particles containing a viral genome. While ddPCR is superior...& Kleinschmidt, J. (1999). Titration of AAV-2 particles via a novel capsid ELISA: Packaging of genomes...production process.  Helper-free production Unlike lentivirus, AAV does not possess the ability to replicate...
  6. AAV Vector Quality Control: Going the Extra Mile with NGS

    Type
    Blog Post
    Published
    Sept. 12, 2017, 1:44 p.m.
    ...sequence all the DNA packaged inside the viral particles (Figure 1). Briefly, packaged DNA is extracted...recombinase-independent recombination occurs in 0.1-0.6% of AAV particles in a given viral prep. With this in mind, we recommend....org Find Ready-to-Use AAV Find Ready-to-Use Lentivirus Browse Viral Plasmids ...
  7. Using AAV for Neuronal Tracing

    Type
    Blog Post
    Published
    Aug. 9, 2018, 1:04 p.m.
    ...a brief overview see Addgene’s AAV guide. AAV particles are relatively small (20 nm) in size which makes...different AAV vectors into a brain region, the AAV particles will infect neurons at different ratios, making...and may be a form of transcytosis where the AAV particle is taken up on one side of the cell and released...cell. While there is always a risk that viral particles will diffuse long distances within the extracellular...). AAV does not have a membrane envelope like lentivirus, but instead is contained by a capsid which is...
  8. Viral Vectors 101: AAV Serotypes and Tissue Tropism

    Type
    Blog Post
    Published
    Jan. 16, 2025, 3:42 p.m.
    ...variations between serotypes can change how the viral particle sneaks its way into cells. Generally, AAV serotypes...Kidney by Adenovirus, Adeno-Associated Virus, and Lentiviral Vectors After Intravenous and Direct Kidney Injections...
  9. Viral Vectors 101: The AAV Retrograde Serotype

    Type
    Blog Post
    Published
    April 27, 2023, 1:15 p.m.
    ...traditional dye-based neuronal tracing reagents, AAV particles require receptor-mediated entry into the cell....Addgene Blog Get Started with AAV Learn more about Lentivirus Find out More about Addgene's Viral Service ...Ready-to-use Virus for Your Research Visit Our Lentivirus Guide Page ...
  10. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...determine viral tropism—the type of cells the viral particles infect. This can direct your biosensor to specific...ready to deliver your sensor, whether you choose lentivirus, gamma retrovirus, or AAV as your vehicle, we...
  11. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    Published
    April 13, 2023, 1:15 p.m.
    ...frequency and the viral titer (the number of viral particles capable of infecting a host cell) can be tuned...is more than one type of virus to choose from (lentivirus, retrovirus, AAV, etc.). When you’ve decided ...
  12. Truncated gRNAs for Regulating Gene Expression

    Type
    Blog Post
    Published
    Jan. 10, 2017, 3:37 p.m.
    ...where her research is focused on engineering nanoparticles as drug delivery systems. She is also a NASA... for Your Experiments Get Ready-to-Use CRISPR Lentivirus ...
Showing: 31 - 43 of 43 results