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Showing: 151 - 180 of 245 results
  1. Plan Your Experiment

    Type
    Collection
    ...Cas enzyme and gRNA Species of promoter and expression pattern of promoter for Cas enzyme and gRNA Presence...Cas enzyme promoter can be constitutive (CMV, EF1alpha, CBh) or inducible (Tet-ON); U6 promoter is typically...such as dCas9-KRAB) or dCas9 gRNA(s) targeting promoter elements of target gene dCas9-KRAB is more effective...activator (such as dCas9-VP64) gRNA(s) targeting promoter elements of target gene Many different activators...dCas9-repressors, gRNAs should be targeted to the promoter driving expression of your gene of interest. For...containing a G nucleotide at position 20 (1 bp upstream of the PAM) may be more efficacious than gRNAs...amplified, PCR products are denatured-renatured, treated with a nuclease that cleaves DNA heteroduplexes...
  2. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    ...and tech transfer communities who help guide and promote Addgene in its mission to make research easier.... interesting biological questions, you need a tremendous amount of technology development alongside it...what is worth having. The work that [Addgene’s] outreach scientists do to comb through the literature, ...
  3. Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer

    Type
    Blog Post
    ...the Francis Crick Institute concluded “Aspirin promotes autophagy, inhibits platelet aggregation, and ... that fasting has a positive effect on cancer treatment (Ref 1). As described in the presentation, starvation...favorable state for tumor progression (Ref 2). Future treatments may need to target this immunosuppressive reaction...
  4. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

    Type
    Blog Post
    ...visualization and expressed from a heart-specific promoter. Fish were labeled with MG-2I, either by incubating...hearts 24 hours post treatment and no mCer3 cells present 96 hours post treatment (see figure 2). Induced...culture experiments, only dL5**-expressing cells treated with MG-2I dye and exposed to light stained dead...Chromophore-assisted laser inactivation in cell biology. Trends in Cell Biology,18(9), 443-450. doi:10.1016/j.tcb...
  5. Scientists Map the SARS-CoV-2-Human Interaction Network

    Type
    Blog Post
    ...Expression is driven by a fairly strong EF1alpha promoter. We have verified expression of correctly-sized...straight-forward. All constructs are tagged with a 2xStrep-tag for easy detection and affinity purification...
  6. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...assembly reaction. DNA fragments with the desired promoter, selectable marker, and target gene, for example...and improvements in these methodologies offer streamlined and simplified alternatives to traditional cloning...
  7. Four Factors that Differentiate the Stem Cell Field

    Type
    Blog Post
    ...studying how that one protein interacts with that one promoter can tell you, it can be easy to get lost in the...Fight Rare disease with iPSCs Read About Addgene's Outreach Efforts in the Microbiology Community Sign Up ...
  8. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    ...changes were introduced to nCas9. These changes promote nCas9’s dissociation from DNA after nicking and...bacteria resistant to both spectinomycin and streptomycin, but could also be used for studying epistatic...
  9. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    ...recognition of transcription-associated DNA damage that promotes homologous recombination. Gong F, Chiu LY, Cox...nucleosomes, loops, chromosomal domains, or how stretches of DNA on different chromosomes interact with ...K, Wang W, Rando OJ, Xue Y, Swiderek K, Kuo A, Crabtree GR Cell. 1998 Nov 25. 95(5):625-36. An architectural...
  10. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    ...Viral expression cassettes typically contain a promoter (inducible or constitutive), your gene of interest...the last decade, viral applications in cancer treatment and gene therapy have also been in the limelight...approved the first oncolytic viral therapy in 2015 to treat melanoma, and many more are in the pipeline. Viruses...
  11. Choosing the B(right)est Fluorescent Protein: Aggregation Tendency

    Type
    Blog Post
    ... 2008). Obligate dimers (such as dTomato) that promote interactions between the FPs interfere with native...Section of Molecular Cytology and Van Leeuwenhoek Centre for Advanced microscopy, University of Amsterdam...applications (e.g. labeling of cells or tracking promotor activity), but it is problematic in applications...Section of Molecular Cytology and Van Leeuwenhoek Centre for Advanced microscopy (University of Amsterdam...
  12. All in a Twist: dsRNA

    Type
    Blog Post
    ...-loops described above play distinct roles in promoting cellular processes and functions, but they also...production. In the same vein, genotoxic stress, such as chemotherapy treatment or ionizing radiation, can also...
  13. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    ...complex, to temporarily inhibit this process and promote copying of the edited strand to the unedited strand... co-express mismatch repair inhibitor MLH1dn Promote desired resolution of heteroduplex     ✓ ...non-homologous end joining. As a result, Cas9 treatment causes most products to be indels while the efficiency... In addition to the numerous innovations that streamline the process of prime editing, the Liu lab contributed...efficient as possible. Figure 2: Decision tree for selecting a PE6 variant. PE = prime editor; ... 2023) Prime editing has a lot of promise for treating genetic diseases. In our summer Hot Plasmids post...
  14. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    ...several weeks which may also depend on transgene or promoter choice. Behaviors you can study using viral vectors...into the experimental setup, the mouse becomes stressed. It will likely move around faster in the following...some time to adapt to a testing apparatus. General stress levels of the test animal may also be reduced by...noise should be avoided as this will also increase stress levels and affect behavior. A fact to consider:... groups), health status, diet, cage enrichment, stress level, origin (vendor or in-house mouse breeding...
  15. Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools

    Type
    Blog Post
    ...nuclear localization, binding to the appropriate promoter sequence and activation of gene expression. In...bulk cell experiments, Clift et al. observed no stress or damage upon TRIM-Away, and the electroporated...re-adhered to the culture plate within 4 hr of treatment. In some primary cell lines, endogenous TRIM21...Listen to the Fire-Cas9 Podcast Segment Jerry Crabtree’s lab has developed a new CRISPR/Cas9-based system...
  16. Gendered Innovations: Why Does Sex of the Cell Matter?

    Type
    Blog Post
    ...science and engineering. “Fix the Institutions” promotes gender equality in careers through structural ...factors may include cell type, the disease being treated, and other hormonal, immunological, and environmental...
  17. Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics

    Type
    Blog Post
    ...dopamine is an important neurotransmitter that promotes reward-motivated behavior, if the channelrhodopsins...as predict the channelrhodopsin’s photocurrent strength, wavelength sensitivity, and off-kinetics.   This...did not turn. Left-turning behavior in ChRger2-treated mice ceased when the light was turned off.  Together...
  18. Depositor Collections

    Type
    Collection
    ...Community (MCC) Collection Pleiades Promoter Project: mini-promoters to drive selective expression in the...Syndrome Plasmid Collection and Resource Center TREAT-AD Plasmid Collection Visualization Michael Davidson...
  19. Adeno Associated Virus (AAV) for Cell and Gene Therapy

    Type
    Blog Post
    ...gene expression and the selection of specific promoters may also help AAV vectors evade host immunity....potentially be treated by correcting the mutation or replacing the gene. A notable example is the treatment of Severe...conditions, opening up new avenues for therapeutics that treat disease at the molecular level. For instance, if...function. To date, gene therapy has been used to treat 10 infants with this disease. To do so, their T-...childhood onset of blindness and was thought to be untreatable until 2008. Following a single dose of subretinal...in vision over a period of 1 to 3 years – the treatment appears to be both safe and effective. Challenges...antibodies that neutralize the AAV vectors used to treat them. Scientists are working to overcome this issue...
  20. Science communication: 9 Strategies to Get Your Foot in the Door

    Type
    Blog Post
    ...discussions. Get your voice out there. Use Twitter to promote your other science communication activities, e....engagement - Participate in science festivals and outreach If you are comfortable talking in public, volunteer...groups, charities and NGOs are often looking for outreach volunteers as well. 4) Blog - Hone your writing... a blog is not only a great form of scientific outreach, it also helps you to hone your writing skills...science communication. The National Co-Ordinating Centre for Public Engagement (NCCPE) provides on-site ...
  21. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ...incorporating it into a fourth plasmid. In addition, the promoter of the 5’ long terminal repeat (LTR) is mutated...experience of end-users, size of the transgene, and downstream applications should all be considered when choosing...factors such as resources available, cost and downstream applications. For example, while the PEG precipitation...be the best method when pure virus is required downstream. When assessing lentiviral titer, don't compare...
  22. RaPID Detection of RNA-protein Interactions

    Type
    Blog Post
    ...its paralog RC2H2 are RNA binding proteins that promote RNA decay and their upregulation is correlated ...little was one minute BASU generated a strong streptavidin signal (~250-fold enrichment) when compared ...
  23. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    ...Program at Harvard Law School. He has continually promoted the cause of increasing data collection about ...Symposium Boston 2015 you can register here or live stream the event on October 22nd and 23rd here. Many ...
  24. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    ...orientation. This allows for multiple DNA components (promoters, genes, terminators, etc) to be assembled in the...ligation process is close to 100% efficient. Another strength of Golden Gate cloning is its scalability. Unique...
  25. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    ... had multiple integration events. In addition, promoter choice can also impact transgene expression. The...transduced with serial dilutions of a viral prep, treated with the antibiotic, and colony-forming units quantified...
  26. Promoters

    Type
    Guide
    ...Proximal Promoter Further upstream from the core promoter you will find the proximal promoter which contains...Reference Molecular Biology Reference Promoters Promoters Definition A promoter is a region of DNA where transcription...silencers. Promoter Regions There are three main portions that make up a promoter: core promoter, proximal...bind. Distal Promoter The final portion of the promoter region is called the distal promoter which is upstream...mammalian promoter PGK Constitutive Mammalian promoter from phospholycerate kinase gene TRE Inducible ...Specific Drosophila promoter containing Gal4 binding sites Bacterial Promoters Promoters in bacteria contain...tryptophan Promoter from E. coli tryptophan operon Ptac Regulated like the lac promoter Hybrid promoter of lac...
Showing: 151 - 180 of 245 results