We narrowed to 719 results for: cel
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TypeBlog PostPublishedJan. 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...
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Using Addgene's New Viral Service for Your Research
TypeBlog PostPublishedNov. 17, 2016, 3:30 p.m....testing at Addgene meaning they come ready made to accelerate your research. Why distribute virus? Plasmid...This service will further enable scientists and accelerate research." What viral preps are available... can be used to deliver fluorescent proteins to cells as determined by the serotype. You can use these...determine if your AAVs are getting to the right cells using your particular delivery technique and conditions... -
Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?
TypeBlog PostPublishedJune 9, 2016, 2:30 p.m.... be stable in the cell. gDNA guides will also need to be transfected into the cells of interest. In contrast...unable to show TtAgo-mediated cleavage in mammalian cells, likely due to high temperature requirements. To...plasmid and genomic DNA in a variety of mammalian cell lines, with an efficiency similar to that of Cas9... -
Plasmids 101: A Brief History of Plasmids and an Improved eBook!
TypeBlog PostPublishedOct. 29, 2015, 2:30 p.m....R-factors could be transferred between bacteria via cell-to-cell contact; however, scientists noted that, unlike...cytoplasmic factors that could be transferred between cells. At the time, these extranuclear agents of heredity...PMCID: PMC3785787. References: Lederberg, Joshua. "Cell Genetics and Hereditary Symbiosis" Physiological... -
Plasmids 101: Gram Negative and Positive Bacteria
TypeBlog PostPublishedAug. 2, 2022, 1:15 p.m....negative bacteria is due to differences in cell wall composition. Cell wall structure Gram positive bacteria...complex within the peptidoglycan layer, staining the cell purple. When the alcohol is added, it dehydrates...Silhavy, TJ., Kahne, D. & Walker S. The Bacterial Cell Envelope. Cold Spring Harb Perspect Biol. 2(5) a000414... -
New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor
TypeBlog PostPublishedApril 7, 2022, 1:15 p.m.... glutamate release from neurons and other brain cells in vivo. Glutamate plays a variety of roles in synaptic...sensor to the membrane and displays it on the extracellular side. In addition to the original PDGFR TMD,...promoter, FLEXed for expression in Cre-expressing cells hSynap: Human Synapsin-1 promoter. Good for neuronal...promoter, FLEXed for expression in Cre-expressing cells. hSynap-FLP: Synapsin-1 promoter, FLP-dependent ... -
New and Upcoming Viral Vectors - May 2020
TypeBlog PostPublishedMay 28, 2020, 1:15 p.m.... results, but also confirm expression in target cells. While the various AAV serotypes can be used to ...Chemogenetics offers noninvasive methods for manipulating cell activity, particularly in the brain, and holds promise... systems such as Cre-lox allow for more accurate cell and tissue targeting. While promoters and AAV serotypes...allowing you to further restrict gene activation to cells expressing both Cre and GFP. The GFP dependent FLPo... -
Why and how to start studying chromatin (with Addgene's help)
TypeBlog PostPublishedJune 12, 2018, 11:40 a.m.... R, Schmalhorst PS, Jude JG, Zuber J, Gerlich DW Cell. 2017 Aug 24;170(5):956-972.e23 Screen identifies... R, Schmalhorst PS, Jude JG, Zuber J, Gerlich DW Cell. 2017 Aug 24;170(5):956-972.e23 Rapid and phosphoinositol-dependent... Rando OJ, Xue Y, Swiderek K, Kuo A, Crabtree GR Cell. 1998 Nov 25. 95(5):625-36. An architectural role..., Ensminger AW, Fox AH, Chess A, Lawrence JB Mol Cell. 2009 Mar 27;33(6):717-26. Reporter-nanobody fusions... -
Plasmids 101: Inducible Promoters
TypeBlog PostPublishedJan. 18, 2018, 2:34 p.m....stimulate AraC binding to I1 and I2 sites. Supplementing cell growth media with glucose decreases cAMP and represses... Because transcription machinery differs between cell types or organisms, promoters are similarly variable...variable. Bacterial promoters only work in prokaryotic cells and typically only in the same or closely related... were derived. Similarly, the various eukaryotic cell types (mammalian, yeast, plants, etc.) require unique... -
A Novice's Perspective on Neuroscience - SfN2017
TypeBlog PostPublishedDec. 15, 2017, 2:07 p.m....aiming to dedifferentiate mouse brain cells into neural stem cells. I was quite unsuccesful (although I...versatile means of delivering genes to many different cell types with minimal immunological effects. AAVs are... used in experiments targeting genes to specific cell types in the brain, mapping neuronal networks, and... -
AAV Q&A with Tim Miles
TypeBlog PostPublishedMay 17, 2022, 1:15 p.m....co-delivering different AAV particles into the same cells in vivo? A: This will be highly dependent on vector...particularly one that can target the epithelial cells in the blood-brain barrier? A: For liver, we recommend...worth investigating for both Q6 & Q7.For epithelial cells of the blood brain barrier we would currently recommend...and to all our participants for their time and excellent questions. Additional Resources on the Addgene... -
Addgene’s Viral Service - Why Virus? Why Now?
TypeBlog PostPublishedMarch 23, 2017, 2:30 p.m....see the value to the scientific community in accelerating the Viral Service. With their support we are...helps keep our focus on assisting scientists and accelerating research and discovery, while also pushing us...take on this project? Addgene’s mission is to Accelerate research and discovery by improving access to... facet of a project this big. Maintaining our excellent service and accuracy involves caring and careful... -
OCaMP: A New Calcium Indicator for Neural Imaging
TypeBlog PostPublishedAug. 19, 2025, 1:15 p.m.... nerve and muscle function, hormone release, and cell signaling throughout the body. Because calcium levels...used simultaneously to monitor or control different cell types or signals in the brain. For this to work,... researchers can image multiple brain regions or cell types at once using existing indicators. For example...available through Addgene. Whether you're working with cell cultures, slice preparations, or in vivo imaging... -
Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers
TypeBlog PostPublishedJuly 28, 2015, 2:30 p.m....also gives cells antibiotic resistance to neomycin so that you can select the population of cells with the...Only a small percentage of the proteins inside a cell have a commercial antibody against them. There’s...antibody. It’s an epitope not found in human or other cells. It was made artificially. That means you aren’t... -
Deep Dive: qPCR
TypeBlog PostPublishedSept. 29, 2022, 1:15 p.m.... that your reference genes are suitable for your cell lines and/or tissue types. Please do note my oh-so-subtle...reference genes to save on plate space. For many cell lines and tissue types, appropriate reference genes...at determining the best options for a particular cell or tissue type (such as here, here, or here). If...for analyzing qPCR data, most with plug-and-play Excel spreadsheets available for easy analysis. These ...your data Once you’ve done the work to produce excellent and reliable qPCR data, you’ll of course want ... -
Troubleshooting Your Plasmid Cloning Experiment
TypeBlog PostPublishedSept. 24, 2019, 12:55 p.m....product, the transformation may not result in any cells, or all the colonies screened might not contain ...verify the strain and the efficacy of your competent cells (when they get old, they lose competency). If all... look at your experimental design. Full lawn of cells. The antibiotic in your plate might not work. Check...acknowledged in hundreds of publications including Cell, Nature, and other journals. Paolo Colombi is ... -
Addgene: The First Twenty Years
TypeBlog PostPublishedDec. 19, 2024, 2:15 p.m....amazing years in front of us. So in our last celebratory moment, we wanted to walk through some of our...Facebook and Gmail, were launched. And Melina Fan, a cell biology graduate student, was frustrated by the ...to receive the Massachusetts Nonprofit Network Excellence Award for our electronic MTA system. We also ...now our Sr. Director of Production) pie-fully celebrating Addgene's 10 year anniversary. Expanding... -
Antibodies 101: Conjugation
TypeBlog PostPublishedMarch 26, 2024, 1:15 p.m....and Protein Modifications in Cells and Tissues in Situ. Curr Protoc Cell Biol 89:e115. https://doi.org... like proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et...epitope and transcriptome measurement in single cells. Nat Methods 14:865–868. https://doi.org/10.1038... -
Pathways Over Time Plasmids Engage Students in Functional Genomics Research
TypeBlog PostPublishedMay 22, 2018, 1:38 p.m....lack uracil, but contain methionine. (This allows cells carrying nonfunctional as well as functional MET... is available at our Investigations in Molecular Cell Biology Website. Many thanks to our guest blogger...right) has taught courses in biochemistry, molecular cell biology and genetics at Boston College. She is particularly...Science and Technology [PCAST] (2012). Engage to Excel: Producing One Million Additional College Graduates... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog PostPublishedMarch 8, 2017, 3:15 p.m.... question about what should go into a cell, hover over the cell and instructions will pop up. When you...spreadsheet (Figure 2) and are described in Table 1. Some cells have drop-down options for you to choose from, while... into the appropriate full and partial sequence cells. *Note: If you believe you need to deposit a collection...