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We narrowed to 813 results for: cell

Showing: 501 - 520 of 813 results

  1. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    ...in transfected eukaryotic cells, allowing for them to be used as intracellular inhibitors.  Aptamers are...small enough to be expressed in bacterial and other cell systems. Since the majority of these alternative...the constant region. Nonspecific binding, caused cell receptors for the constant region, is also reduced..., peptides, amino acids, drugs, metal ions, and cells. They can be used either with or as fluorophores... may sound. Validated antibodies are still an excellent option for many applications, and frankly, if ...

  2. Plasmids 101: FLEx Vectors

    Type
    Blog Post
    ...delivered using AAV injection, the majority of the cells surrounding the injection site will become infected... ensure that the reporter remains silent until a cell or tissue-specific Cre is provided. Since the FLEx...used to study the physiology or behavior of certain cell populations.  Acknowledgement:Through a partnership...FLEX switch targets Channelrhodopsin-2 to multiple cell types for imaging and long-range circuit mapping...for monitoring Cre-mediated recombination at the cellular level in the mouse. 2003 PubMed PMID: 12665802...

  3. Supporting Rare Disease Research with BeHeard 2017

    Type
    Blog Post
    ...plasmids to upregulate their expression in specific cells. With a more concrete understanding of the molecular...molecules targeting SMN1 and its partners in mouse cell lines. Dr. Di Schiavi hopes that these studies will... of ~30 patient derived peritoneal mesothelioma cells lines and assess their tumorigenesis. These experiments...

  4. CRISPR Plasmids - Plants

    Type
    Collection
    ...sequence. DSBs are preferentially repaired in the cell by non-homologous end joining (NHEJ), a mechanism...PAM site. When a repair template is present, the cell may repair a DSB using homology-directed repair ...Cas protein and a target-specific gRNA in the same cell at the same time. Single plasmids containing both...

  5. Mammalian RNAi Tools

    Type
    Collection
    ... in therapeutic settings. As a tool in mammalian cell systems, silencing is achieved through the delivery...). Origins and mechanisms of miRNAs and siRNAs . Cell, 136 (4), 642–655. PubMed (Link opens in a new window...

  6. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    ... 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...

  7. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    ...Plasmids designed to express genes in a given host cell type are generally broken down into two broad categories...purpose and mechanism of polyadenylation vary across cell types, but polyadenylation generally serves to promote...additionally act as a quality control mechanism to rid the cell of mis-folded RNAs. Eukaryotic termination and polyadenylation...efficient rabbit beta-globin mRNA 3' end formation. Cell. 1987. PMID: 3568131.  Hager S, Frame FM, Collins... thought that poly(A)s are used to control the cellular concentration of regulatory RNAs and may additionally...signal by using in vitro analyses. Molecular and Cellular Biology. 1992. PMID: 1333042. PubMed Central PMCID...

  8. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    ...genes should be ‘read’ by the cellular machinery. This is how most cells in the body contain the same ...visualise changes in histone methylation in living cells. Essentially this reporter construct consists of...recognise lysine 27 methylation. When tested in living cells where methylation of these sites was controlled,...fluorescent reporters of histone methylation in living cells." Journal of the American Chemical Society 126.19...complex of DNA and histone proteins that compacts cellular DNA into chromosomes and reduces the risk of dangerous...the more compacted it becomes. This prevents the cellular machinery from physically interacting with the...

  9. Plasmids 101: Gene, enhancer, and promoter trapping

    Type
    Blog Post
    ...fluorescent protein (GFP) was the reporter gene and green cells were observed in the kidneys at a specific developmental...genes of interest may not be expressed in the tissue/cell line you are working with. Development-specific...10.7554/eLife.67667 Springer, S. P. Gene Traps. Plant Cell. (2000) 12(7): 1007-1020. DOI: 10.1105/tpc.12.7.1007...

  10. Hot Plasmids - October 2022

    Type
    Blog Post
    ...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...

  11. RUBY-Red Siliques

    Type
    Blog Post
    ...graduate student studying plant development and cell-cell communication in the Nimchuk Lab in the Biology...untransformed seedlings or callus (undifferentiated plant cell culture), which is great for a wide variety of applications...

  12. Hot Plasmids and Viral Preps - July 2021

    Type
    Blog Post
    ...Fluorescence Activated Cell Sorting (FACS), allowing for enrichment of successfully targeted cells that can be used...investigating genetic mechanisms related to morphogenesis, cell fate specification, and human disease.     Sun,...

  13. Meet the New Addgene Board Members!

    Type
    Blog Post
    ...school at MIT. “I read some of the seminal papers on cell cycle discovery from Lee Hartwell and Paul Nurse...genetic screen to identify the factors that regulate cell division. And that really got me hooked on genetics...high-resolution tracking of more than 1 million cancer cells under drug treatment.” Stegmeier especially finds...

  14. Addgene Protocols Go Viral: AAV Purification and Titration

    Type
    Blog Post
    ...Mammalian cells provide scientists with the means to study biological processes on the cellular level instead...with tissue culture The cultivation of mammalian cells in the lab, or tissue culture as it is commonly ...

  15. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    ... edit A → Y (Y = T or C) in 67.17% of screening cells (Tong, Wang, et al., 2023). Based on this promising...Cas9 nicks the non-edited strand to encourage the cell to repair the DNA using the edited strand as a template... efficient A•T-to-C•G base editing in mammalian cells and embryos. Nature Biotechnology, 42(4), 638–650...programmable T-to-G and T-to-C base editing. Molecular Cell, 84(7), 1257-1270.e6. https://doi.org/10.1016/j....efficient T-to-G and C-to-G editing in mammalian cells. Nature Biotechnology, 42(10), 1538–1547. https:...the base editor. Black arrows indicate natural cellular processes. Created with BioRender.com. The...

  16. A Control for All Seasons

    Type
    Blog Post
    ...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...

  17. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    ...two-photon microscopy. Cell. 2022 Aug 16. pii: S0092-8674(22)00916-3. doi: 10.1016/j.cell.2022.07.013 pYtags...Calcium Indicator. Front Cell Dev Biol. 2022 Jun 29;10:880107. doi: 10.3389/fcell.2022.880107. KRaION potassium...sensor relies on a change in localization to the cell membrane and not a direct change in the fluorescent...of receptor tyrosine kinase signaling in living cells. bioRxiv 2022.08.13.503850; doi: 10.1101/2022.08.13.503850...better-matched to the potassium concentrations in cells than existing sensors. Using genome mining and structure-guided...fluorescence unit fused with TRansmembrane region-to-IntrAcellular loop linkers” (MTRIA for short), where a fluorescent...inserting a circularly-permuted GFP into an intracellular loop of various G-protein-coupled receptors....

  18. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    ...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...

  19. Which Fluorescence Microscopy Techniques is Best for Me?

    Type
    Blog Post
    ...high light doses to the cells. Thin static samples Ex: Fixed monolayers of cells or thin (<15 μm) tissue...1). Thin dynamic samples Ex: monolayers of live cells with fluorescently labelled, motile structures These... 10s of nanometers. Thick dynamic samples Ex: 3D cell cultures, small model embryos >15 μm Thsee are some...Total internal reflection fluorescence microscopy in cell biology. Methods Enzymol 361, 1-33 (2003). PubMed...Richardson DS, Lichtman JW. Clarifying Tissue Clearing. Cell 162, 246-257 (2015). PubMed PMID: 26186186.  Additional...Biological Imaging and a Lecturer on Molecular and Cellular Biology at Harvard University. No matter whether...Biological Imaging and a Lecturer on Molecular and Cellular Biology at Harvard University.     Additional ...

  20. Antibodies 101: Flow Compensation

    Type
    Blog Post
    ... make it difficult to properly gate your desired cell population. By compensating between fluorescent ... your fluorescent markers are staining for. If a cell is positive for both markers, it will show up as...Figure 3: Flow plot for a double positive sample. The cell population in the top right corner of the plot is...learning! Ashlyn has a research background in CD8+ T cells and cancer immunotherapies. She is currently a research...
Showing: 501 - 520 of 813 results