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Showing: 161 - 200 of 507 results
  1. Summer SciComm Series: Modes of Communication

    Type
    Blog Post
    Published
    July 1, 2022, 1:15 p.m.
    ...communication should be fun and engaging for the communicator as well as the audience, so pick a mode of communication...Otherwise, you’re going to drop your project like a hot potato or burn yourself out trying to slog through unappealing... Low barrier to entry for both audience and communicators. Well-developed content creation platforms.  ...
  2. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...and debris. Affinity chromatography is a popular choice for this. Chromatography columns containing appropriate...using a desalting column or an ultrafiltration concentrator. As the name suggests, you may also concentrate...
  3. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    Published
    Sept. 28, 2017, 2:01 p.m.
    ...pictures (see figure 4). It also enables single-cell anatomical study and neuronal tracing, aka determining where...under the control of an inducer, i.e. tet-off transactivator (tTA), is injected at a high dose to maximize...An AAV expressing the inducer (i.e. tet-off transactivator) is co-injected. The dose of this AAV can be...
  4. CRISPR 101: Ribonucleoprotein (RNP) Delivery

    Type
    Blog Post
    Published
    Sept. 6, 2018, 12:02 p.m.
    ...available by both the Jacob Corn and Alex Schier laboratories. Delivering Cas9-gRNA ribonucleoproteins  An...and purification, which will require additional laboratory reagents, equipment, and expertise. Final thoughts...production of the Cas9 protein and a gRNA in your laboratory, once these have been acquired, genomic editing...
  5. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...do both, Addgene depositor Didier Trono and collaborators turned to the lentivirus HIV-1, well-known to...precursor protein), Pol (polymerase), Tat (viral transactivator for transcriptional activation from the 5’ ...trials for other diseases, including the common hematopoietic disorders sickle cell anemia and beta-thalassemia...
  6. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    Published
    Sept. 17, 2019, 12:40 p.m.
    ...anxiety by modulating the production of the pro-inflammatory cytokine interleukin IL-1 beta in the dorsal...shRNA to downregulate expression of miR124a, a regulatory RNA that negatively regulates BDNF levels. They...showed that the activity of a particular subset of excitatory neurons (Drd1) in mPFC is responsible for the...
  7. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...splicing. (RNAi, in contrast, engages existing gene regulatory mechanisms to block activity and does not work...phiC31. The popular UAS/Gal4 and Cre/Lox gene regulatory systems have also been successfully implemented...Patrick Müller’s group at the FriedrichMiescher Laboratory of the Max Planck Society in Tübingen, Germany...
  8. Overcoming the AAV Size Limitation for CRISPR Delivery

    Type
    Blog Post
    Published
    Sept. 16, 2020, 1 p.m.
    ...feasible, it leaves little room for additional regulatory elements. Feng Zhang's group previously packaged...for Cas9. However, to allow for more room for regulatory sequences while still fitting Cas9 and its gRNAs... https://doi.org/10.1038/nature14299  Senís E, Fatouros C, Große S, Wiedtke E, Niopek D, Mueller A-K, ...
  9. Viral Vectors 101: Pseudotyping

    Type
    Blog Post
    Published
    April 20, 2021, 2:30 p.m.
    ...but not all. For example, LDLR expression in hematopoietic stem cells, T cells, and B cells is low. Infection...great at infecting neurons and cause minimal inflammatory response, but are not taken up by axon terminals...Precious Tools to Improve Gene Modification of Hematopoietic Cells for Research and Gene Therapy. Viruses...
  10. Rett Syndrome: A History of Research and Therapeutic Outlooks

    Type
    Blog Post
    Published
    Nov. 19, 2020, 2:15 p.m.
    ...exhibit slow head growth, develop seizures, cardio-respiratory dysfunction, distinctive hand movements, and ...& Bird, 2019) and is a global transcriptional regulator of thousands of genes. Studies have suggested ...). Beam Therapeutics, co-founded by Harvard Investigators and Addgene depositors David Liu, PhD, Keith...
  11. Data Freedom: The Expansion of Data Sharing in Research Publications

    Type
    Blog Post
    Published
    Aug. 5, 2014, 6:51 p.m.
    ...tools and assumptions to reveal findings that the originator was oblivious to, no matter how much time they...they had. It could be argued that data generators may, in light of the policy, hold onto data longer before... available to everyone at once, including the generators. This practice doesn’t appear to harm the originating...
  12. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    Published
    Aug. 15, 2019, 12:30 p.m.
    ...Rhamnose induction relies on the transcriptional activator rhaS. To allow manipulation of bacteria without...synthetic ribosome binding site (using the online calculator from the Salis group) (Espah Borujeni et al.,...mix. Introduction of the strong transcriptional terminator BBa_B1002 (from IGEM) upstream of the MCS to ...
  13. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    Published
    March 28, 2024, 1:15 p.m.
    ...subunit. Using these affinity reagents, the investigators inhibited other RGD-binding integrins, individually...for cell adhesion. The results surprised the investigators, challenging the long-held belief that αVβ3 ...events and training courses on technologies and laboratory techniques related to antibody discovery. You...
  14. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...and opened a sequence file. Then I saw it, the chromatogram showing the telltale signs of a mutation introduced....3026 Gurumurthy CB, Takahashi G, Wada K, Miura H, Sato M, Ohtsuka M (2016) GONAD: A Novel CRISPR/Cas9 Genome...10.1038/s41598-018-33408-9 Mizuno N, Mizutani E, Sato H, Kasai M, Ogawa A, Suchy F, Yamaguchi T, Nakauchi...
  15. Finding Your Science Policy Path

    Type
    Blog Post
    Published
    Sept. 22, 2020, 1:15 p.m.
    ...can manifest via research and data gathering, regulatory efforts, policy implementation, program management...company who decides how they are going pursue regulatory approval for a new product or a well-endowed ...example proposals and consider applying for their accelerator for some hands-on guidance.   Check out my webinar...
  16. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    Published
    Oct. 24, 2017, 1:54 p.m.
    ...worried that, because we were speaking out against legislators and because the march had been so well-publicized...Scientific Instrument Maker at Intellectual Ventures Laboratory. Vancouver, BC Canada 49.2827°N 123.1207°W – ...damage promotes cancer. She is also a science communicator, UBC Public Scholar, and a member of the Vancouver...
  17. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ... CRISPR system was involved. Today, that same laboratory enjoys a successful edit rate of over 90% in .... For this reason I generally recommend that laboratories that have already attempted several CRISPR experiments...above or, even better, first-hand knowledge from laboratories employing CRISPR on the same organism could ...
  18. CRISPR 101 eBook...en español

    Type
    Blog Post
    Published
    Jan. 18, 2024, 2:15 p.m.
    ...Addgene contracted with a professional scientific translator, L. Denise Roche, to edit the translation. We...  Many thanks to:  Daniel Mejías Sánchez, PhD, translator  Denise Roche, PhD, MD, editor, ldeniseroche@...
  19. 15 Hot Plasmids from 2017

    Type
    Blog Post
    Published
    Jan. 9, 2018, 3:02 p.m.
    .... While certain cell types, such as principal excitatory cells and glia, have been successfully targeted...’s lab has developed a new AAV approach using regulatory elements that restrict expression to this cell...wild type SOX2 with either a SOX2-VP16 (strong activator) or SOX2-HP1 (strong repressor) fusion protein...
  20. Celebrating the 2024 Nobel Prize in Chemistry

    Type
    Blog Post
    Published
    Oct. 17, 2024, 1:15 p.m.
    ...structure is strikingly similar to the design model at atomic resolution” (Kuhlman and Dantas et al., 2003). ...). Design of a Novel Globular Protein Fold with Atomic-Level Accuracy. Science, 302(5649), 1364–1368. ...
  21. New Viral Vectors - Spring 2025

    Type
    Blog Post
    Published
    April 29, 2025, 1:30 p.m.
    ... retrograde serotype, and a dTomato under the control of the E6 regulatory element, which targets it to...
  22. How Exercise Purges Stress and Keeps Depression at Bay

    Type
    Blog Post
    Published
    Nov. 25, 2014, 4:02 p.m.
    ...Cell demonstrate how PGC-1a1, a transcriptional coactivator induced in skeletal muscle by exercise and endurance...altogether. Their muscles showed an increase in inflammatory cytokines as a result of those mild stressors...
  23. Let There Be LITE Plasmids

    Type
    Blog Post
    Published
    Nov. 21, 2013, 3:56 p.m.
    ...customizable DNA-binding domains based on transcription-activator-like effectors (TALEs) as anchors for genome engineering...and modular,” Konermann said. “Transcriptional activators are easy to expand or combine with different ...
  24. Editor's Choice, August 2016

    Type
    Blog Post
    Published
    Sept. 2, 2016, 1:32 p.m.
    ... bit of a Twitter storm surrounding NgAgo, its creator, Han Chunyu of Hebei University of Science and ...Transductions Single Base Editing with CRISPR Cas9 Activators: A Practical Guide 10 Steps to a Perfect Science...
  25. Modulate the Activity of 17 Signaling Pathways with One Kit!

    Type
    Blog Post
    Published
    March 22, 2016, 2:30 p.m.
    ...environments, for example. “We’ve been contacted by investigators all over the world who are interested to use...researchers have plans to expand the library to include activators for more cancer-related pathways and more nodes...
  26. Inside Addgene's 10 Year Anniversary Gala

    Type
    Blog Post
    Published
    July 3, 2014, 3:48 p.m.
    ...hour, we feasted on sliders, hot dogs and a mashed potato bar (complete with all the fixings), as well as...about her grandfather’s humble beginnings as an operator of a printing press. Just as her grandfather used...
  27. 9 Tips to Achieve Success in Academia

    Type
    Blog Post
    Published
    April 1, 2014, 5:33 p.m.
    ...for students, postdocs, and young Principal Investigators (PIs). We've interviewed Addgene depositors ...different ways to succeed – as loner or gregarious;  dictator or laissez-faire; theory or practice; business-like...
  28. Antibodies 101: Affinity Tags

    Type
    Blog Post
    Published
    Sept. 19, 2023, 1 p.m.
    ...applications. Also, purifying GST by affinity chromatography requires proper folding of the tag, which prevents...to be purified by single step metal affinity chromatography. Purification of His fusion proteins from E...
  29. New Viral Vectors - Fall 2024

    Type
    Blog Post
    Published
    Oct. 3, 2024, 1:15 p.m.
    ...Esteban Engel New serotype pAAV-hSyn-Cre-P2A-dTomato AAV PHP.eB Recombinases Rylan Larsen New serotype...multiple serotypes pAAV-Syn-FLEX-rc[ChrimsonR-tdTomato] AAV1 Optogenetics Edward Boyden New serotype ...
  30. Build Your CRISPR Vocabulary

    Type
    Blog Post
    Published
    July 2, 2024, 1:15 p.m.
    ...used to target complementary DNA sequences. In laboratory settings, an sgRNA includes the crRNA and tracrRNA...itself, simplifying the CRISPR-Cas9 system for laboratory applications. At Addgene, we sometimes refer ...
  31. Cellosaurus: A Cell Line Information Database

    Type
    Blog Post
    Published
    Feb. 21, 2023, 2:15 p.m.
    ...line is known to be genetically manipulated, its anatomical origin, if cell line has ever been the target...informative. Spoiler alert: HeLa is the most common contaminator line.  For those wanting to access Cellosaurus...
  32. Sleeping Beauty Awakens for Genome Engineering

    Type
    Blog Post
    Published
    June 30, 2015, 2 p.m.
    ...of DNA that can move around in a genome. In a laboratory setting, transposons can be used to both introduce...use of viruses is also important for social and regulatory reasons. 1.) The transposon consists of a mirrored...
  33. Single-cell tracking of lineage and identity with CellTag

    Type
    Blog Post
    Published
    May 9, 2019, 1:15 p.m.
    ...Washington University in St. Louis provides a combinatorial indexing strategy that simultaneously tracks...2019). Key takeaways of CellTag CellTag is a combinatory cell-indexing tool that combines scRNA-seq and...
Showing: 161 - 200 of 507 results