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Showing: 361 - 380 of 438 results
  1. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    Published
    March 14, 2017, 2:30 p.m.
    ...possible angle to leave no stone unturned, but cancer has been producing landslide after landslide, only adding...used immunotherapeutic agents. Currently the FDA has 12 approved monoclonal antibodies targeting the PD-L1...bacteria, the tumor cells that escape the elimination stage acquire genetic alterations and alter cell-surface..., by way of favorably attaining the equilibrium stage. This can be called “stalemate equilibrium” where...the acute immune responses that eliminate early stage cancer cells, chronic inflammatory responses can...
  2. An Introduction to Adenovirus

    Type
    Blog Post
    Published
    Oct. 3, 2023, 1:15 p.m.
    ... virulence (Tollefson et al., 1996) – cell death has been reported when using vectors, and immune inactivation...the infection to sometimes result in cell death, has led to interest in using adenoviral vectors for vaccine...death protein (E3-11.6K) is required at very late stages of infection for efficient cell lysis and release...
  3. Antibodies 101: Flow Cytometry Controls

    Type
    Blog Post
    Published
    June 6, 2024, 1:50 p.m.
    ...rather than for setting up your initial voltages and gates. Ashlyn has a research background in CD8+ T cells...color controls are used to help you set up your voltages and can also be helpful for compensation. You ... cells. This can be achieved by adjusting your voltage using your single color controls (Figure 1A), instead... using beads and not experimental samples, the voltages and compensation you set from your single color...
  4. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    Published
    Oct. 19, 2017, 1:54 p.m.
    ...FLP efficient The first version of FLP discovered has a temperature optimum of 30 °C and is therefore inefficient...evolution led to the identification of FLPe which has a temperature optimum of 37 °C (Buchholz, Angrand...Properties of FLP Recombinase Evolved by Cycling Mutagenesis.” Nature biotechnology 16(7): 657–62. PubMed ...
  5. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ...high for both plasmids, so each plasmid “thinks” it has a higher copy number than it actually does, and neither...large, low copy virulence plasmids. This strategy has been successful in displacing, or “curing” the virulence...Using plasmid incompatibility for therapeutic advantage Although it may seem like plasmid incompatibility...
  6. Viral Vectors 101: Viruses as Biological Tools

    Type
    Blog Post
    Published
    March 21, 2023, 1:15 p.m.
    ...particles, the functional infection unit. Each particle has a viral envelope, which fuses with the target cell...the fear of random genomic integration causing mutagenesis in the host. Adenoviruses can deliver relatively...non-integrating and infect non-dividing cells. AAVs primary advantage over adenovirus is their low immunogenicity, which...Dividing Cells Moderate Immunogenicity Insertional Mutagenesis Possible Lentivirus Infects non-dividing...non-dividing cells Insertional Mutagenesis Possible Adenovirus Remains Episomal (Little Risk of...of Insertional Mutagenesis) High Gene Expression Infects Non-Dividing Cells Large Packaging Capacity (... AAV Remains Episomal (Little Risk of Mutagenesis) Very Low Immunogenicity Infects Non-Dividing...
  7. CRISPR 101: Homology Directed Repair

    Type
    Blog Post
    Published
    Jan. 26, 2023, 2:15 p.m.
    ...applicable in DSB-induced genome engineering, it has biological importance for the repair of breaks that...directed repair and genome engineering CRISPR-Cas9 has revolutionized the genome engineering world and made... chromosomal aberrations. Pfeiffer P, et al. Mutagenesis (2000). PubMed. Multiple Pathways of Recombination...
  8. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ...bridge helix. Created with BioRender.com.   Cas9 has two major lobes, called NUC (for nuclease) and REC...gray). Target DNA strand, light gray.   Once it has found a PAM site, Cas9 needs to check for complementarity...orange) and HNH (red) domains, while the REC lobe has been hidden for visibility. A RuvC loop caps the ... and different techniques all bring their own advantages—and blind spots—to these questions. Each new ...
  9. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    Published
    March 30, 2017, 2:30 p.m.
    ...emerging validation technology. Digital PCR has several advantages over mismatch nuclease assays that will...As mentioned, these assays have several major advantages over the commonly employed mismatch nuclease ...bi-allelic mutations: Perhaps the most noteworthy advantage of digital PCR assays is that they are easily .... 6. Fu, Y. et al. High-frequency off-target mutagenesis induced by CRISPR-Cas nucleases in human cells...
  10. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    Published
    Feb. 18, 2014, 4:22 p.m.
    ...senior mentors available to go around. My advice has been to find 5 interested peers and form your own...step-by-step, how-to guide to get one started. Advantages of the group mentoring format Adding peer advice...Because the participants are at a similar development stage, they have a lot to learn from each other. Some ...the group. The group can be one gender and career stage (e.g. all women, all men, all postdocs, all grad...support each other as you transition to the next stage in your careers! Stay in touch…this group will be...
  11. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

    Type
    Blog Post
    Published
    July 21, 2020, 1:15 p.m.
    ...quantified at 595 nm. This method is time consuming and has low sensitivity so it’s not used much. However, the...concentration. It’s important to consider the advantages and disadvantages of each method and when one method might...
  12. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...the most widely used CRISPR nuclease, recent work has shown that alternative enzymes may better suit specific...Joung and Jennifer Doudna Labs used targeted mutagenesis to generate hyper accurate Cas9 (HypaCas9). This... sites. Using a combined random and directed mutagenesis approach, the Anna Cereseto Lab created pX-evoCas9...experimental approaches, knowledge of both the advantages and limitations of each Cas enzyme can help determine...
  13. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

    Type
    Blog Post
    Published
    June 2, 2015, 6:06 p.m.
    ...since its development, CRISPR/Cas9 genome editing has been used to study the effect of gene knockout in...-target effects and/or toxicity, it would be advantageous to instead use a preexisting, conserved cellular...leading nucleotide could be processed, a distinct advantage over other methods that favor certain nucleotides...potential of PTGs. Applications of PTGs The major advantage of the PTG system is its universality; robust ...
  14. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...Collin’s Lab in 2009. From 2009 to today, Sample6 has changed focus and names, swapped leadership, and ...of technologies, effectively communicating the advantages embodied, and driving the enterprise value of...plan competition and advance investors to the next stage of diligence." In business competitions everything... be OK with the constant fear of failure at all stages in the startup". To gain insight into "the random-walk...
  15. "What Makes a Good Mentor?" and 6 More FAQs About Science Mentoring

    Type
    Blog Post
    Published
    Dec. 17, 2013, 2:47 p.m.
    ...?” Some of the Tweeted comments: “A good mentor has your goals/needs/situation in mind, rather than (...being coddling, to listen without being taken advantage of, and to respect my students as developing colleagues...
  16. What's New in CRISPR - September 2019

    Type
    Blog Post
    Published
    Sept. 10, 2019, 12:56 p.m.
    ...PAM motif, averaging 19 targets per gene. The lab has previously used the library with SpdCas9 to perform...lab discovered a new Cas protein, CasX, from metagenomic analysis of microbial DNA from groundwater. Now...
  17. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...with chemicals in it,” leaving me to wonder how he has survived this long without downing any dihydrogen...graduate with my BSc in Anatomy, the University of Otago had established the Centre for Science communication...Department of Science Communication at the University of Otago. Her research focuses on misinformation about sexual...
  18. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    Published
    May 28, 2020, 1:15 p.m.
    ...AAV for your experiment. The Addgene viral service has now expanded to offer many of our control plasmids...tools for light mediated neuronal control. The advantages of optogenetics lie in the spatiotemporal control...recombination of lox sites. This system takes advantage of the extensive supply of transgenic reporter...
  19. Addgene is Expanding Our Viral Vector Service!

    Type
    Blog Post
    Published
    Oct. 15, 2024, 1:15 p.m.
    ...titers found in our in-stock preps. If a request has technical considerations that may affect expected...specialist will reach out to you during the request stage, before you order.  Timeline Once your order is ...
Showing: 361 - 380 of 438 results