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We narrowed to 611 results for: sam

Showing: 1 - 20 of 611 results

  1. Zhang Lab CRISPR Page

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    Collection
    ...references are below. Pooled genome-wide human SAM library SAM can be combined with a human genome-wide library...please visit the Addgene SAM library page . Targeted gene activation using SAM There are two sets of 3 ...CRISPR Blog Posts Jump to: SpCas9 Plasmids GeCKO SAM AAV - In vivo Delivery AAV - Cas9 Mouse CRISPR ( ...information. Full references are below. Return to top Cas9 SAM transcriptional activation plasmids and screening...library CRISPR/Cas9 Synergistic Activation Mediator (SAM) is an engineered protein complex for the transcriptional...available for mammalian endogenous gene activation using SAM: Addgene plasmids #61422 - #61424 were designed for...sites for insertion of guide sequences Zhang Lab SAM Cloning Protocol 321.5 KB Return to top AAV - In ...

  2. CRISPR Pooled gRNA Libraries

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    ...70,290 SAM v1 - 3 plasmid system 1000000075 (Puromycin) Activation Mouse Zhang 3rd 3 69,716 SAM v2 - 2... Library 141438 Knockout Human Yeo 3rd 10 12,472 SAM v1 - 3 plasmid system 1000000057 (Zeocin) 1000000074...

  3. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

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    ...activation. Synergistic Activation Mediator (SAM) Description SAM uses specially engineered sgRNAs to increase...domains used in SAM. This method has been shown to activate genes at 2- to 3-fold higher than SAM, SunTag, and...re-engineer components of Cas systems themselves. SunTag, SAM, and VPR have all shown significant improvements ... p65). Performance When targeting single genes, SAM consistently shows the highest levels of gene activation...regulation (activating multiple genes at once), however, SAM exhibits activation levels comparable to other popular...activators while showing lower activation levels than SAM. One drawback of this method is its construction:...VP64 activator, but lower levels compared to the SAM system. Its activation levels are similar to that...

  4. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

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    Blog Post
    ...CRISPR/Cas9 Synergistic Activation Mediator or SAM. SAM is an engineered protein complex for the transcriptional...not been achieved.” That is, until now. Enter the SAM pooled library In a paper published in Nature in ...plasmid which expresses the activation helper protein. SAM can be combined with a human genome-wide library ...Nature paper reports, “Here we have shown that the SAM system is robust, specific, and can facilitate genome-scale...combined with a compact pooled sgRNA library. Our SAM-mediated screens exhibited a high degree of consistency...References & Further Reading: For more information about SAM, including a tool for getting optimized guide sequences... sam pooled library...

  5. Luciferase Plasmid Collection

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    ... has increased stability and light output Sanjiv Sam Gambhir 104587 pHIV-iRFP720-E2A-Luc Firefly EF1α ...

  6. Three Tips for Preventing Viral Plasmid Recombination in Your Samples

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    Blog Post
    ...replicate.   How can I prevent recombination in my samples? Plasmid recombination can affect viral vectors...stable E. coli reduce the rate of recombination in samples. For a more detailed comparison of these cloning... easiest and clearest ways to determine if your sample has recombined. Choose a restriction enzyme that...

  7. Tips from the Repository Trenches: Using Barcodes to Track Samples

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    ...Every plasmid sample enters Addgene the same way. A package is delivered by a mail courier and then the.... Some samples are submitted as bacterial colonies in petri dishes, but close to 80% of samples are received...every sample can be tracked easily at each step in the storage process. After the original sample is barcoded...scanned to verify that it is the correct sample. Tracking samples - it's all about location, location, location...these samples have the 2D barcodes mentioned above. These barcodes identify what type of sample is contained... on the sample type. It is critical for us to know which plate, rack, and freezer each sample is located...therefore particular sample is missing so that we can make a new tube from a replicate sample. The transformation...

  8. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

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    ...strategies for CRISPR-HIV therapeutics - one using dCas9-SAM to activate HIV-1 transcription and destroy infected...realistic with the advent of CRISPR. Using CRISPR/Cas9 SAM to "shock and kill" To “shock and kill” the HIV-...the CRISPR/Cas9 Synergistic Activation Mediators (SAM) system available from Addgene. This system uses ...genome, which acts as a promoter, and found that SAM targeting of the enhancer region near the NF-KB binding...latent microglial line, treatment with CRISPR/Cas9 SAM increased the percentage of cells with activated ...that can produce HIV-1 toxic proteins, CRISPR/Cas9 SAM caused apoptosis, indicating a true “shock and kill...CRISPR/gRNA-directed synergistic activation mediator (SAM) induces specific, persistent and robust reactivation...

  9. How Dry Ice Affects Viral Vector Sample pH & How to Avoid It

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    Blog Post
    ...affected the pH of our viral samples. Read on to learn how aqueous samples might be affected by dry ice...Measuring the pH of our samples: What we did To measure the pH of our samples, we used a solution of cell...when the samples were frozen. This was clear by the gradual change in pH visible at the sample interface...at -80°C. For samples that are shipped on dry ice, this can affect the pH of the sample, which may have...describing how short term storage on dry ice can shift sample pH, we wondered whether or not the dry ice we use...frozen during shipment was having an impact on the samples. We therefore devised a few experiments to determine...the tube, the CO2 can alter the pH of the liquid sample. The good news is that this effect is reversible...

  11. Michael Koeris' Journey from Grad Student to Entrepreneur: The Story of Sample 6

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    ...Novophage to Sample 6. To learn more about Novophage's successful transformation into Sample 6 and Dr. ... in food products prior to Sample 6 16:27 - 18:02 : Benefits of the Sample 6 technology and how It works...- 19:56 : Why Sample 6's first test was for Lysteria 19:56 - 24:41 : Who is using Sample 6 and why? 24...Resources Visit the Sample 6 website Check out Dr. Koeris' Website, biotechstart.org Read Sample 6's Paper on...for use in a biotech startup 12:16 - 15:15 : Why Sample 6 began to develop tests for food products as opposed...Directors. We're excited to watch both Addgene and Sample 6 grow with his help! Special thanks to our sound... sample6...

  12. Plan Your Experiment

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    ...activator systems exist, including the multi-plasmid SAM system Activate Design and Clone Your gRNA Achieving...the genomic region you intend to target in your samples to ensure there are no discrepancies with the reference...

  14. 2021 Deck the Lab Winners!

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    ...JohnInnesCentre rule pic.twitter.com/WMb97fpUOI— Sam Mugford (@samtmugford) December 3, 2021   Congratulations to...

  15. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    ...library substantially identified more hits than the SAM library approach in a comparison study screening ...screening for vemurafenib resistance in A375 cells. The SAM system (CRISPR/Cas9 Synergistic Activation Mediator... in the depletion of essential genes. In the subsampling analysis of the sgRNAs, Brunello even with only...

  16. CRISPR Activation: A Practical Guide

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    ...can use for your experiments. We have found that SAM (Konermann et al., 2014), Suntag (Tanenbaum et al..., check out our blog post covering VP64, Suntag, SAM, and VPR. Worry less about off targets Unlike Cas9...

  19. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

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    ...recruits transcriptional activators such as VP64, SAM, or SunTag to specific ncRNA loci to enhance or upregulate...insertions or deletions in the DNA sequence. This same approach is effective to target short ncRNAs, such...useful for targeting thousands of long ncRNAs at the same time (Liu et al. 2018). However, removing large ...

  20. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

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    ...include Cas9 fused to VP64, VP64 along with other SAM factors, and the Suntag array of factors, all targeted...recruitment of multiple activation domains to the same genetic locus via co-expression of an epitope tagged...
Showing: 1 - 20 of 611 results