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We narrowed to 856 results for: HA

Showing: 241 - 260 of 856 results

  1. Adeno-associated Viruses (AAVs) for Genome Editing

    Type
    Blog Post
    ... at the Georgetown University School of Medicine has used this gene editing system frequently over the...in human cells (Kim et al, 2016). The Waldman lab has designed their AAV tagging vectors (pAAV-SEPT-Acceptor...via gene trap enrichment, whereas pAAV-TK-Acceptor has a conventional heterologous promoter-driven TK-neoR...editing compared to CRISPR editing CRISPR, of course, has started a revolution in gene editing. However, while... through aberrant double strand break repair, it has proven more challenging to develop high efficiency...

  2. pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs

    Type
    Blog Post
    ...reprogrammed less efficiently, no such correlation has been found between the age of the patients from whom...potentially promote tumorigenesis in vivo. The phenomenon has been recorded in past gene therapy trials and remains...reprogramming factors To date, the mRNA transfection method has not been used successfully to derive iPSCs from PBMCs...However, reprogramming of PBMCs by episomal vectors has yielded hiPSCs at a low efficiency (0.001-0.03%) ...efficiency: the pCXLE episomal vector toolkit It has been shown previously that suppression of TP53 enhances...

  3. AAV Titers: Where Do They Come From And What Do They Mean?

    Type
    Blog Post
    ...quantified by cell transduction assays. Wild-type AAV2 has been reported to have a near-perfect physical-to-...performed on all new viral vector preparations. Addgene has used this method to generally validate our viral ... Material (AAV SFM), which is an AAV sample that has been quantified by 16 labs around the world and can...Hindson et al., 2011, Hindson et al., 2013), which has been shown to be more precise and more repeatable...2011): 8604-8610.4. Hindson CM, Chevillet JR, Briggs HA, Gallichotte EN, Ruf IK, Hindson BJ, Vessella RL,...

  4. Using Video to Share Your Science: We Share Science

    Type
    Blog Post
    ...challenge of keeping up on studies in many disciplines has been a long brewing frustration for me. I read a ...citations in their own work. Of course not all research has to be influenced by research in other disciplines...platforms were developing, Google acquired Youtube and has been growing its online video market ever since. ...this point most videos are based on research that has been published, but many discuss in-progress research...videographer, is a retired botanist and oceanographer who has a blog and several videos on sharing your research...

  5. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...University of California system, the postdoc union has negotiated a raise from $43,692 to $48,216, an increase...increase in salary of 58.3%. University of Delaware has a minimum of $36,360, requiring an increase of 30.6%...Hospital is the only part of the Harvard group that has responded to the FLSA at the time of writing, and...good thing. Reliance on a cheap trainee workforce has clearly not been a sustainable approach to biomedical...biomedical research in the U.S. and postdoctoral training has not been demonstrated to be required for the jobs...

  6. 5 Reasons to Use Reddit for Science Communication

    Type
    Blog Post
    ...into Reddit. Here are some reasons why: 1. Reddit has a large and active community of people interested...right - the Reddit community is active, engaged, and has great questions! 2. The r/Science subreddit is well...the internet, using dialogue). Luckily r/Science has a great team of moderators who facilitated scheduling...preferred time to start answering questions. r/Science has pretty strict rules about not being too sales-y in...the requested topics to the Addgene blog The blog has many other excellent posts on science career topics...

  7. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ...Samantha Young. The use of CRISPR/Cas9 for gene editing has expanded since its adaptation for use in mammalian...biology surrounding a particular gene (although it has been quite successfully adapted for use in screening... method for validating your selected gRNA’s, and has the bonus benefit of supplying you with primers for...sturdier than the delicate RNA and therefore there has less chance of contamination with RNase leading to...products will give specific details on what exactly has been inserted or deleted. Each lab will use a slightly...

  8. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    ...  Disadvantages Every rose has its thorns and every affinity reagent has its downsides. These reduced-in-size...created in lab in situations where a suitable antibody has been identified but a smaller or less immunogenic...using combinatorial libraries, and high specificity has been reported for a number of targets. Due to their...

  9. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    ...developing and optimizing biosensors in the lab. He has recently developed a third-generation intensiometric...release from hundreds of synapses at once. “This work has only been made possible due to the collaborative ... at the German Cancer Research Center (DKFZ) who has developed new redox sensitive GFP2 (roGFP2)-based...Qiu’s work on the PV neurons is in progress, she has validated the dual virus method to study CR neurons...

  10. Addgene: The First Twenty Years

    Type
    Blog Post
    ... is an amazing service to biology scientists and has saved countless hours of lab time (in both donating...have at least one plasmid deposited at Addgene that has been distributed more than 100 times.   “I really...ready-to-use viral vector preps. Today, that number has grown to over 114,600 viral preps. And in 2025, we...resources like this are why my brand of neuroscience has exploded. Because we have a resource like Addgene...

  11. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    ... and serotype, respectively. For example, AAV2/8 has a type 2 ITR and a type 8 serotype. Almost all vectors... components      Cargo capacity Empty rAAV has a cargo capacity of ~ 4.7 kb, meaning that your gene...usually quite stable and in some mammalian tissues has shown expression for several years (Wonjo et al.,...scAAV vector with half the size of the ssAAV genome has a mutation in the terminal resolution site (TRS) ...

  13. Mapping the 4D nucleome with CRISPR/Cas9

    Type
    Blog Post
    ...nuclease activity, catalytically dead Cas9 (dCas9) has many applications, the most well-known being transcriptional...transcriptional activation/repression. dCas9 has also previously been adapted to fluorescently label a sequence...imaging time for this technique. The NIH Common Fund has made mapping the 4D nucleome a specific priority,...

  14. New Videos: Addgene Lab Tips

    Type
    Blog Post
    ...Addgene has distributed over 800,000 plasmids since 2004. In that time, our lab has gotten a lot experience...

  15. Custom CRISPR Screens & the Green Listed Software

    Type
    Blog Post
    ... population level, but each individual cell only has a maximum of one gene knocked out. In this genetically...containing up to around 200,000 different gRNAs. It has been suggested that researchers should use ~400X ...than gRNAs in a screen, to ensure that each gRNA has a good chance to contribute to the screen. In the... If you are lucky and find that a druggable gene has a central role in your system, you could majorly ...guest blogger Fredrik Wermeling! Fredrik Wermeling has a research group at the Centrum for Molecular Medicine...Medicine, Solna, Karolinska Institutet, in Sweden. He has a particular interest in using molecular tools to...

  16. Quick Guide to All Things Lentivirus

    Type
    Blog Post
    ...promoter of the 5’LTR has been deleted to reduce its activity. A CMV or an EF1α promoter has been inserted in...The risk of generating RCL is low but extra care has to be taken especially if you are working with proto-oncogenes...previously used to drive expression from the LTRs) has been removed, Rev (which facilitates nuclear export...expression. In contrast, in the Tet-on system, tTA has been modified (and renamed rtTA) to bind TRE only...viral binding. This method, called spinoculation, has been found very effective for T cells transduction...

  17. RNA Interference in Plant Biology: New Tools for an Old Favorite

    Type
    Blog Post
    ...It is fair to say that CRISPR has revolutionized molecular biology and has enabled functional studies in...enzyme named Dicer (Figure 1). The plant kingdom has expanded its repertoire of Dicer enzymes and these...knockout methods of the same gene. However, recent work has called this prevalent assumption into question. Specifically...multiple target sequences are concatenated. hpRNA has been extensively used in plant research and many ...constructs are available to the community. Each construct has unique features, such as inducible expression of ...

  18. A History of Genome Engineering in Popular Culture

    Type
    Blog Post
    ... techniques is a speculation of yesteryear which has been realized recently. Science Fiction (SciFi) writers...even before the discovery of genes themselves.  How has scientific progress in genetic editing impacted the...technology on various non-scientific platforms, CRISPR has also transcended into the world of SciFi. This is...and most important genres of literary fiction. It has always served as a vision of the future and to make...and agriculture, its portrayal in popular fiction has been largely negative. But these negative depictions....1126/science.1258096 Gaudelli NM, Komor AC, Rees HA, Packer MS, Badran AH, Bryson DI, Liu DR (2018) Publisher...

  19. Finding Your Perfect Job After University

    Type
    Blog Post
    ...industry just wasn't for me, and as has been highlighted recently it has become more difficult to attain ...interesting and luckily genetics is a sector which has been rapidly growing. These factors left me optimistic...because it is a small and dynamic company and so it has the flexibility of a ‘start-up’. I was surprised ...schedule.  I really love my highly varied role, it has allowed me to travel and to share my passion for ...everyone. My career path may seem quite unusual but it has allowed me to try out working in many different sectors...

  20. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    ..., that informs us that this antibody has specific binding and has a strong signal. We call the unique ...strong signal has a shorter exposure time than the negative control, and a weak signal has a longer exposure...
Showing: 241 - 260 of 856 results