Skip to main content
Addgene

We narrowed to 818 results for: cell

Showing: 691 - 720 of 818 results
  1. Plasmids 101: TOPO Cloning

    Type
    Blog Post
    ... Transform TOPO Cloning Reaction into Competent Cells: You can use your standard lab protocol for this...
  2. Lentiviral Vector Guide

    Type
    Guide
    ...production cell line, typically human embryonic kidney 293T (HEK293T) cells. Standard HEK293T cells are sufficient...fluorescence-activated cell sorting (FACS) is used to sort cells expressing GFP and later expanded into a cell line. More...in a variety of cell types and models. Lentiviral vectors can target non-dividing cells, enable stable ...actively dividing cell types, whereas gamma-retroviruses can only infect mitotically active cell types. This...transfected into HEK293T cells using your preferred transfection method. The HEK293T cells will produce the viral...make stable cell lines, VSV-G is often put under an inducible promoter. Depending on the cell type, there...clinical tools. Stable Cell Lines Lentiviral vectors can be used to make stable cell lines due to their integration...
  3. Adeno-associated virus (AAV) Guide

    Type
    Guide
    ...based on other human cell lines, such as HeLa and A549 cells, and even insect Sf9 cells , have also been ...able to infect cells and replicate autonomously. Human embryonic kidney 293T (HEK293T) cells are the most...HEK293T cells are then extracted and purified for their use as viral vectors to deliver genes to cells in ...persist in non-dividing cells for a period of years without damaging the host cell. Episomal stability allows...broad range of cell types in vivo. AAV-DJ has been optimized further for specific cell and tissue types...co-delivered to the host cells. The full-length transgene is later reconstructed within the cell via different mechanisms...main cell body, or soma, towards the synapse at the axons. Blood-brain barrier (BBB) Layer of cells that...
  4. Antibody Guide

    Type
    Guide
    ... produced. Cells - Antibodies can also be produced in cell cultures using hybridomas, cell cultures created...created by fusing B cells with myeloma cells (immortalized B cells). The genetic reorganization that creates...identify and sort cells from a mixed population. Overview of application Collect cells from cell culture or ...specificity occurs in the B cell itself prior to antibody production; therefore, each B cell only produces one ... specific hybridoma cells into plasmids. Plasmids are then transfected into cells and induced to express...determines the isotype of the antibody. B cells, the immune cell responsible for producing antibodies, can...mature B cell can clone itself to enable higher production of a single antibody, but each B cell can only...
  5. Guide to Using Pooled Libraries

    Type
    Guide
    ...200x the number of cells as plasmids in the TKO library. Using large numbers of cells minimizes the effects...selection Most cells die or do not pass selection (in the case of a reporter) Sort “winning” cells Sequence ...library Apply selection; most cells will survive Perform NGS on the surviving cells Compare NGS results between...identify those cells that do not survive the selection mechanism. You’ll infect two sets of cells and subject...libraries, plasmid DNA can be delivered directly to the cells of interest. With others, notably pooled lentiviral...subsequently used to deliver the plasmids to the cells of interest. In either case, next-generation sequencing...Pooled Library Screens In pooled library screens, cells are infected at a very low multiplicity of infection...
  6. Adenovirus Guide

    Type
    Guide
    ...enters the host cell, and encode proteins necessary for viral DNA replication and host cell manipulation....expressed by the packaging cell line, normally the human embryonic kidney 293 (HEK293) cell line. There is a rare...transformed into AdEasier-1 cells (Addgene #16399) , which are BJ5183 E. coli cells containing pAdEasy. pAdEasy... construct flanked by ITRs. Cells from the packaging HEK293 or HER911 cell lines expressing E1 are transfected...HER911 cells throughout viral vector production. During experiments, GFP can be used to sort cells infected...transfected into HER911 E4+ cells for rAdV vector production, as HEK293 cells do not contain E4. Download...immune cells and antibody production that develops after exposure to an antigen. AdEasier-1 cells BJ5183...
  7. CRISPR Guide

    Type
    Guide
    ...with Haploid Embryonic Stem Cells Carrying a Guide RNA Library. Cell Stem Cell . 17 (2), 221–232. PMID: ...in the same cell. This is called multiplexing , and increases the likelihood that any cell containing ...can increase efficiency. Synchronizing cells or modulating the cell cycle can help as HDR takes place during...expressing stable cell line. After applying your screening conditions to your transduced cell population, you...tracking of RNA in live cells, including orthogonal RNA/DNA labeling in the same cell. Figure 11: Overview...promiscuity is unique to bacterial cells and does not occur in mammalian cells. SHERLOCK , developed by the ...genomic loci in living human cells by an optimized CRISPR/CAS system. Cell . 155 (7), 1479–1491. PMID: ...
  8. Molecular Biology Reference

    Type
    Guide
    ...daughter cells. These daughter cells contain the same genetic information as the parental cell, and are...with the host cell. Like the bacterial chromosomal DNA, plasmid DNA is replicated upon cell division, and...and each daughter cell receives at least one copy of the plasmid. By the 1970s the combined discoveries...are thus termed clones of the original cell. The plasmid DNA is similarly referred to as cloned DNA, and... and ideally would replicate these plasmids upon cell division in addition to their own genomic DNA. Because...additional replication burden, the rate of bacterial cell division is reduced (i.e., it takes more time to...against the propagation of these plasmids through cell division. To ensure the retention of plasmid DNA...
  9. Chemogenetics Guide

    Type
    Guide
    ...Human Stem Cell-Derived Neurons Repair Circuits and Restore Neural Function. Cell Stem Cell. 28:112-126...targeted to specific tissues, cell types or even subcellular regions of a neuron. Cell-specific expression of...actuators for specific cellular pathways, receptors, or ion channels targeted to specific cell populations (most...signaling, therefore allowing precise control over the cell population they are targeted to. To find chemogenetics...coupled receptors, or GPCRs. The largest class of cell surface receptors, GPCRs are seven-pass transmembrane...Common promoters in chemogenetics plasmids Promoter Cell Specificity hSyn1, CaMKIIa Neurons GFAP Glia CD68... AAV-delivered constructs can be controlled with cell-type specific promoters. Table 4 lists some common...
  10. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    ...Guide RNA and Target DNA. Cell, 156(5), 935–949. https://doi.org/10.1016/j.cell.2014.02.001 Osuka, S., Isomura...efficiency and are important for robust activity in cells (Jiang & Doudna, 2017). Within an interior cavity...it, so many researchers think the enzyme needs cellular recycling factors to release its handiwork (Sternberg...
  11. Optogenetics Guide

    Type
    Guide
    ...subpopulation of cells within the injection site of the viral vector, rather than in all cells. For example...2010 Molecular and cellular approaches for diversifying and extending optogenetics. Cell. 196:1-28. PMID ...and genetic engineering to measure and manipulate cells (frequently neurons) and their governing biomolecular...detect, measure, and control molecular signals and cells in order to understand their functions. Example ...wavelength, the pore opens, cations flow into the cell (yellow dots), and the neuron is activated. Optogenetics...which conducts the flow of ions into or out of the cell. Scientists have identified a variety of naturally...adding trafficking signals to localize opsins to the cell membrane. Microbial opsins, such as those described...
  12. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    ...expression in knock-out or knock-down down tissues and cell lines; orthogonal strategies that compare antibody... project aimed at understanding how a critical cellular pathway is regulated. You’ve read all the background...
  13. Summer SciComm: Preprints

    Type
    Blog Post
    ...Lacy was also employed by the American Society for Cell Biology in a position working with preprints in ...
  14. Addgene: The First Twenty Years

    Type
    Blog Post
    ...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 ...
  15. Antibodies 101: Fab Fragments

    Type
    Blog Post
    ...fragments for multiplexed super-resolution microscopy. Cell Rep Methods 2(10):100301. https://doi.org/10.1016...
  16. Antibodies 101: Stripping and Reprobing Western Blots

    Type
    Blog Post
    ...protein of interest in a complicated solution like cell lysate. But they can be a lot of work — and what...better than a nitrocellulose membrane. If you have already run your blot using nitrocellulose, you may decide...instructions for the membrane you are using. Dry nitrocellulose membranes are brittle, so proceed with caution...
Showing: 691 - 720 of 818 results