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Showing: 481 - 500 of 811 results
  1. Why and how to start studying chromatin (with Addgene's help)

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    Blog Post
    ... 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...
  2. Troubleshooting Your Plasmid Cloning Experiment

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    Blog Post
    ...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 ...
  3. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    Blog Post
    ...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...
  4. Joung Lab CRISPR-Cas/RNA-Guided Nuclease (RGN) Plasmids

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    Collection
    ...plasmids (AsCpf1 and LbCpf1) for use in mammalian cells SpCas9 variants with no detectable off-target effects...CRISPR-Cas/RGN expression plasmids for use in human cells CRISPR-Cas/RGN expression plasmids for use in zebrafish...
  5. Technologies Enabled by NanoLuc® Luciferase

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    Blog Post
    ...successfully infected/expressing cells by flow cytometry. The isolated cells were injected into mice and imaged...to changes in intracellular calcium and is useful for direct imaging of events in cells and brain explants...packaged into a retrovirus for infection of host cells. The fluorescent moiety of the BRET reporter was...imaging multiple proteins at the same time in live cells using fluorescent proteins (FPs) can be problematic...available through Addgene (Plasmid #83926). Live-Cell Voltage Sensor  Ingaki and colleagues (8) were interested...including monitoring multiple cellular events such as the dynamics of subcellular structures and gene expression...other cellular proteins. BRET-based biosensors utilizing NanoLuc® luciferase Many intracellular sensors...
  6. Deisseroth INTRSECT Collection

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    Collection
    ...to enable three-feature cell targeting. C) Example of viral targeting of cells expressing Cre AND Flp,...parameters. Figure 1: Examples of intersectional cell population definitions using recombinases. A) Cre...adeno-associated virus (AAV)-borne payloads to be expressed in cells based on a doubly-specified combination of genetic...Neve R, Huang ZJ, Deisseroth K. 2014. Targeting cells with single vectors using multiple-feature Boolean...Cortex Reveals Local and Long-Range Circuit Motifs. Cell Rep. 28(13):3450-3461. PubMed (Link opens in a new...well-defined cellular sub-populations has generally been limited to single-component cellular definitions...multiple recombinase-expression strategies to define cellular sub-populations of interest, including dual-transgenic...
  7. Feng Zhang Multiplexed Overexpression of Regulatory Factors (MORF) Collection

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    Collection
    ...Zhang Lab Plasmids The Human TFome Library Stem Cells Protocols & References MORF Plasmids MORF Pooled...Fu Z, Macrae RK, Buenrostro JD, Regev A, Zhang F. Cell 2023 Jan 5; 186(1):209-229. PubMed (Link opens in...be used for screening transcription factors for cellular programming or cancer drug resistance. Depositor...transcription factors for applications such as cellular programming or cancer drug resistance. Protocols...
  8. The 12 Days of CRISPR

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    Blog Post
    ...function using transcriptional recording sentinel cells! 🎵 On the 11th day of CRISPR, Addgene gave to me...activation and interference screens for primary human T cells🎵 On the 3rd day of CRISPR, Addgene gave to me: ...Enhanced prime editing systems by manipulating cellular determinants of editing outcomes🎵 On the 5th ...
  9. Lentivirus Plasmids

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    Collection
    ...Lentivirus can transduce both dividing and non-dividing cells without a significant immune response. These viruses... in the viral particle) is delivered to a target cell upon infection. When lentivirus is used for research...the researcher wants delivered to specific target cells. This genome is encoded by plasmids called "transfer...encoded by the transfer plasmid is toxic to mammalian cells, it can be difficult to efficiently produce viral...
  10. Worm Expression Resources

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    Collection
    ...Worms are particularly well suited for studies in cell biology, development, and aging. Scientists can .... elegans hermaphrodite consists of 959 somatic cells, which makes them attractive for imaging and fluorescence...researchers to express desired constructs in precise cell types and/or developmental timeframes. Here we highlight...
  11. The PAM Requirement and Expanding CRISPR Beyond SpCas9

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    Blog Post
    ...Class 2 CRISPR-Cas System. Cell 163:759–771 . https://doi.org/10.1016/j.cell.2015.09.038 Find plasmids...are capable of cleaving genomic DNA in mammalian cells and zebrafish embryos, and they can be used to modify... adapted for targeted RNA cleavage in mammalian cells. The REPAIR (RNA Editing for Programmable A to I...reveals specificities of Cpf1 endonucleases in human cells. Nat Biotechnol 34:863–868 . https://doi.org/10.1038...specificities of CRISPR-Cas Cpf1 nucleases in human cells. Nat Biotechnol 34:869–874 . https://doi.org/10.1038...
  12. CRISPR 101: Homology Directed Repair

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    Blog Post
    ...repair fix DNA double-strand breaks?  In eukaryotic cells, repair of DSBs occurs primarily by two pathways...used, however, these are generally more toxic to cells than their plasmid counterparts. Another consideration...how to fix a broken relationship. Pardo B, et al. Cell Mol Life Sci (2009). PubMed. Regulation of DNA...break repair pathway choice. Shrivastav M, et al Cell Research (2008). PubMed. Mechanisms of DNA double-strand...Improve HDR Efficiency for CRISPR Editing in Human Cells Resources on Addgene.org Browse All CRISPR Plasmids...double-strand break (DSB). DSBs can be caused by intracellular factors such as nucleases and reactive oxygen...
  13. Antibodies 101: Affinity Reagents

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    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 ...
  14. Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options

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    Blog Post
    ... be expressed in the same cell, but not necessarily at the same subcellular compartment as the opsin or...modulate the activity of neurons and other brain cells. Since the opsins or chemogenetic receptors used...neuropil conceals identification of opsin-expressing cells). For other things to keep in mind when making fluorescent...cerevisiae by use of an epitope addition method. Mol Cell Biol 8:2159–2165 . https://doi.org/10.1128/mcb.8.5.2159...
  15. Antibodies 101: Conjugation

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    Blog Post
    ...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...
  16. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ...slightly more efficient and less toxic to mammalian cells (Allen, et al., Frontiers in Genome Editing).  Some...enhance CRISPR-Cas genome editing in human primary cells. Nat Biotechnol 33, 985–989 (2015). https://doi....Enhance CRISPR Genome Editing Systems in Mammalian Cells. Frontiers in Genome Editing, 28 (2021). https:/...deactivation with photocleavable gRNAs. Molecular Cell 81, 7, 1553-1565 (2021). https://doi.org/10.1016...evolved ways to prevent degradation of important cellular RNA molecules with post translational modifications...transfection efficiency and even track localization in cellular experiments. There are many suitable dyes to choose...
  17. Plasmids 101: FLEx Vectors

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    ...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...
  18. Supporting Rare Disease Research with BeHeard 2017

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    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...
  19. CRISPR Plasmids - Parasites

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    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 ...
  20. AAV Viral Preps

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    Collection
    ... tools that effectively transduce many mammalian cell types. AAV is used in a wide range of experiments...Tetracycline Transactivators, Affinity Purification, Cell Ablation Monosynaptic Neuronal Tracing Rabies Virus-Based...
Showing: 481 - 500 of 811 results