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We narrowed to 719 results for: cel

Showing: 421 - 440 of 719 results

  1. Important Considerations in Optogenetics Behavioral Experiments

    Type
    Blog Post
    Published
    Oct. 1, 2015, 2:30 p.m.
    ...optogenetics, ICSS can now be done with neuronal cell-type and temporal precision. In ICSS, a test chamber... remote contextual memories. This study is an excellent example in which the authors started with a brain... research. Derek P. Simon received his PhD in Cellular and Molecular Biology from the University of Michigan...differential participation in reward circuitry." Cell reports 8.6 (2014): 1857-1869. Pubmed PMID: 25242321...Dynamics of retrieval strategies for remote memories. Cell. 2011;147(3):678-89. Pubmed PMID: 22179551. Pubmed...

  2. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    Published
    Aug. 15, 2019, 12:30 p.m.
    ... that converts sucrose into a toxic metabolite. Cells that have undergone a double crossover will not ...contain sacB, allowing them to grow on sucrose. Cells that have only gone through the single cross over...Giacalone et al., 2006). The Chen lab demonstrated excellent counter-selection which enabled very efficient...desired deletion directly into cut vector with excellent efficiency using a commercial isothermal assembly... from Harvard. Jake received his MD and a PhD in Cell and Molecular Biology from the University of Pennsylvania...

  3. Addgene's 20th Anniversary Party

    Type
    Blog Post
    Published
    June 11, 2024, 1:15 p.m.
    ...marks Addgene's 20th anniversary! We've been celebrating throughout the year, and on Sunday, June 9th,...our 20th anniversary party for all Addgenies to celebrate together. We were even able to have many of our...    While the main purpose of the party was to celebrate the contributions of each and every Addgenie, ..., from our co-ops to our directors, we can't celebrate Addgene without recognizing our incredible depositors...

  4. The 12 Days of CRISPR

    Type
    Blog Post
    Published
    Jan. 3, 2023, 2:15 p.m.
    ...Every year we celebrate the 12 Days of CRISPR with some of the latest and greatest in CRISPR tools and...function using transcriptional recording sentinel cells! 🎵 On the 11th day of CRISPR, Addgene gave to me...Enhanced prime editing systems by manipulating cellular determinants of editing outcomes🎵 On the 5th ...activation and interference screens for primary human T cells🎵 On the 3rd day of CRISPR, Addgene gave to me: ...

  5. A Control for All Seasons

    Type
    Blog Post
    Published
    Oct. 5, 2023, 1:15 p.m.
    ...to detect dead or dying cells so that you can base your analysis on living cells only (for example, propidium...This tends to be most problematic when staining cells or tissues that are the same species as your primary...propidium iodide only stains dead cells). Compensation controls address the spectral overlap that occurs...Quantitative Fluorescence Microscopy.” Journal of Cell Biology, vol. 185, no. 7, Rockefeller University...

  6. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    Published
    May 23, 2023, 1:15 p.m.
    ...immunocytochemistry (ICC) when the sample is cultured cells or immunohistochemistry (IHC) with tissues), where...know if they co-localize at the same place in the cell? Or you know that the presence of several biomarkers...tissue sections, methanol- or paraformaldehyde-fixed cell samples, or other preparations. Sequential IF For...hippocampus, or counting the number of puncta in each cell. When making figures for a paper or presentation...approach for deep phenotyping and spatial analysis of cells in complex tissues. Proceedings of the National ...

  7. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    Published
    Feb. 18, 2016, 3:42 p.m.
    ...use electro-competent cells instead of the more common chemically-competent cells. You should perform, ... manufacturer’s instructions for your competent cells. For most standard cloning, you can transform 1-...1-2μl of your ligation reaction into competent cells such as DH5alpha or TOP10. If using much less total...colonies, you might want to use higher competency cells. Additionally, if your final product is going to...

  8. Addgene Protocols Go Viral: AAV Purification and Titration

    Type
    Blog Post
    Published
    June 13, 2019, 12:19 p.m.
    ...Mammalian cells provide scientists with the means to study biological processes on the cellular level instead...viral lots. Aligning with Addgene’s mission to “accelerate research and discovery by improving access to...with tissue culture The cultivation of mammalian cells in the lab, or tissue culture as it is commonly ...

  9. Kwabena Duedu on Public Health, Biofuels, and Doing Science in Ghana

    Type
    Blog Post
    Published
    Dec. 20, 2016, 3:30 p.m.
    ...institutions in Ghana and most recently got his PhD in cell and molecular biology at the University of Edinburgh...developing novel systems for bioconversion of cellulosic biomass to useful products under Professor Christopher...researchers in developing regions and thereby accelerate their research. Kwabena came across the plasmid...biology, DNA assembly methods, and engineering cellulose degradation. 18:21 - 23:26 : Kwabena's plans for...

  10. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ...high-throughput screening techniques such as ELISA and cell surface display are common. ELISA enables quantitative...for comparing relative affinities across mutants. Cell surface display systems, such as bacterial, yeast...presentation of your mutant libraries on the surface of cells. This enables direct screening via flow cytometry...provide recombinant antibodies that target families of cell surface and secreted proteins (glypicans, integrins...therapies and improve their delivery methods to various cells. The wealth of smaller engineered antibody fragments...

  11. What's New in CRISPR - Spring 2019

    Type
    Blog Post
    Published
    March 21, 2019, 12:47 p.m.
    ...temperature incompatible to genome editing in human cells. The Feng Zhang lab identified a Cas12b from Bacillus...can block Cas12a-mediated genome editing in human cells. Read the paper in Science Find the anti-CRISPR...anti-CRISPR expression plasmids CRISPR-based method for cell lineage tracing Valcyrie is a CRISPR-based marker...marker excision method for marking distinct cell clones developed by the Michalis Averof lab. It’s an alternative...

  12. Let There Be LITE Plasmids

    Type
    Blog Post
    Published
    Nov. 21, 2013, 3:56 p.m.
    ... vectors and genetically target them to specific cell populations. They demonstrated use of the LITEs ...non-invasively, its use is not restricted to cultured cells but extends to freely moving animals, as established...novel mode of optogenetic control of endogenous cellular processes." The LITE system can now be applied...no means limited to particular model organisms or cell types. “This tool is really flexible and modular...

  13. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

    Type
    Blog Post
    Published
    Sept. 9, 2016, 2:43 p.m.
    ...your life that may end with little more than an Excel spreadsheet of random numbers that’ll leave you,...your assay will scale. Or you don’t have enough cells to execute genome-wide perturbations. So, while ...lentiGuide expressing only an gRNA, for use with cells that already have Cas9). Each library consists of...be useful when screening for phenotypes, such as cell-non-autonomous effects, that do not lend themselves...

  14. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ... GFP, enabling you to select cells with high GFP expression. These cells have the highest levels of Cas9... on the same plasmid, you’ll make sure that each cell that gets the plasmid contains all of the desired...gRNA, which causes hypopigmentation, thus marking cells that have undergone genomic modification. In this..., et al. “Multiplex genome engineering in human cells using all-in-one CRISPR/Cas9 vector system.” Scientific...

  15. Hot Plasmids - October 2022

    Type
    Blog Post
    Published
    Oct. 6, 2022, 1:15 p.m.
    ...two-photon microscopy. Cell, 18, 3408 - 3425.e29. (2022). https://doi.org/10.1016/j.cell.2022.07.013.   ...voltage fluctuations. Image credit: Liu Z, et al. Cell. 2022.  Find JEDI-2p viral preps here (and here...specific for human c-myc proto-oncogene product. Mol Cell Biol. Dec;5(12):3610-6.(1985). doi: 10.1128/mcb.5.12.3610...

  16. CASTing Off for New Shores in Human Genome Editing

    Type
    Blog Post
    Published
    June 10, 2025, 1:15 p.m.
    ...they were barely effective at editing eukaryotic cells — at least, until they met the directed evolution...components. It drove 19% integration in HEK293T cells (more than 500 times better than the precursor it... Eitzinger, S., Miller, S. M., Berríos, K. N., McElroy, A. N., King, R. T., Stringham, O. G., Gelsinger...R. (2025). Programmable gene insertion in human cells with a laboratory-evolved CRISPR-associated transposase...

  17. New Viral Vectors - Fall 2024

    Type
    Blog Post
    Published
    Oct. 3, 2024, 1:15 p.m.
    ...the fall colors are inspiring you to paint your cells in equally vivid colors, you'll want to check out...AAV9-X1.1 enables expression in brain endothelial cells via an injection into the systemic circulation. ...levels compared to AAV9. You can now target these cells with AAV-CAG-GFP packaged in AAV9-X1.1!  We also...recombinase or a fluorescent marker in the various cell types of the basal ganglia. They work via newly-...

  18. Safe Port in a Storm...How Addgene is Weathering the Pandemic

    Type
    Blog Post
    Published
    Sept. 17, 2020, 1:15 p.m.
    ...they grasped the crucial role Addgene plays in accelerating research. Yet this was still not enough to ensure...type of biomedical science research. Our work accelerates and enhances productive collaborations as well...distribution of plasmids for COVID-19 research is accelerating essential research in laboratories all around...scientists worldwide with Addgene’s traditional excellence through whatever lies ahead this year. We can...

  19. Antibodies 101: Epitope Availability

    Type
    Blog Post
    Published
    Jan. 11, 2022, 2 p.m.
    ... have been extracted from a cell, instead of when it is attached to a cell membrane.  Picking the Right...epitopes that are available on the outside of the cell. The same protein may have different epitopes available...need to validate on denatured proteins or on live cells. But for others, you may need to validate that it...

  20. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

    Type
    Blog Post
    Published
    June 27, 2018, 1:16 p.m.
    ...Nanobody toolkit to monitor retrograde transport at the cell surface Article contributed by Marcy Patrick  Listen...nanobodies to study retrograde transport from the cell surface. Their toolkit includes a set of plasmids...new technologies to quantify proteins in tissues, cells, and biofluids. Recently, Sam Myers, a Scientist...an sgRNA expressed from a separate plasmid. When cells are treated with biotin–phenol and H2O2, APEX2 labels...
Showing: 421 - 440 of 719 results