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We narrowed to 587 results for: cel.2;

Showing: 451 - 460 of 587 results

  1. Multifunctional Neural Fibers: Modulation from Gut to Brain

    Type
    Blog Post
    ...delivering an AAV construct expressing channelrhodopsin 2 (ChR2), a blue light sensitive cation channel, fused...and chemically excited a class of enteroendocrine cells within the intestines known as neuropods. They observed...

  2. Viral Vectors 101: Viruses as Biological Tools

    Type
    Blog Post
    ...PubMed PMID: 8491198. PubMed Central PMCID: PMC413431. 2. Bukrinsky MI, et al. “Active nuclear import of human...Non-Dividing Cells Transient Gene Expression Low Tropism for Mouse Cells and Hematopoietic Cells Low Packaging...fuses with the target cell’s membrane, allowing the viral particle access into the cell. The viral envelope... of cell the virus will target and fuse with. In nature, this determines which organisms and cells they...viruses can be engineered to be cell type specific. Once inside the host cell, the virus unleashes its cargo...wide range of cell types that are typically ‘difficult to transfect’, such as primary cells. They can also... them to easily deliver their “cargo” to target cells and organisms, and when that cargo is designed to...

  3. All in a Twist: dsRNA

    Type
    Blog Post
    ... would release them into the cytosol. Fig. 2: Endogenous sources of duplexed RNA DNA:RNA hybrids...mammalian cells. Here, we will cover how these structures are generated, why it’s important for cells to sense...., Hur, S. Cellular origins of dsRNA, their recognition and consequences. Nat Rev Mol Cell Biol, 23: 286...performs almost all of its biological functions in our cells in the single strand form, but double stranded RNA...with bidirectional transcription. In an uninfected cell, dsRNA rarely circulates, but upon viral infection... Fig. 1: Exogenous sources of dsRNA Cellular sources of dsRNA Transposable elements such as...While these molecules are clearly associated with cellular damage and dysfunction, it is unclear what the...

  4. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    ...Gene and Cell-Based Therapies in the New Era of Personalized Medicine. Genes Dis. 2017 Jun;4(2):43-63. ...dividing cells only, so is not suitable for infection of quiescent cells or infrequently cycling cells but ...non-dividing cells, making it conducive to targeting all cell types. Altogether, AAV has many excellent features...DNA copies of their genome upon infecting a host cell. This viral DNA (also called proviral DNA) is then...and permanently integrate a genetic cargo into a cell. These viruses have a cargo capacity of ~ 8 kb, ...needs, and can transduce (infect) a wide range of cell types with a high efficiency. However, gamma-retrovirus...but is fine for experiments with immortalized cell line cultures. Lentivirus Lentivirus is a type of retrovirus...

  5. Antibodies 101: Isotypes

    Type
    Blog Post
    ... Figure 2: Isotype switching requires DNA recombination of the antibody gene locus. B cells start by ...the surface of basophils and mast cells, two types of white blood cells involved in allergic reactions. ... is important because it determines what immune cells and molecules are recruited by the antibody to help...each of these functions: Recruitment of immune cells that express receptors that recognize the Fc portion...which can initiate a cascade that helps attack extracellular pathogens.  Transportation of antibodies to ...special receptors that transport antibodies through cells and into different body compartments, such as into... during a primary immune response because all B cells begin by expressing IgM. IgM has a pentamer structure...

  6. Hot Plasmids - May 2022

    Type
    Blog Post
    ... those that also infect the liver.    Fig. 2: Summary of the generational evolution of the AAV .... Nat Cell Biol. 2022. https://doi.org/10.1038/s41556-021-00836-1 Visual barcodes for live cell clonal...with one visual barcode per cell and up to 200-plex with two barcodes per cell. The researchers validated...long sequence knock-ins Visual barcodes for live cell clonal multiplexing Improving flexibility for ... powerful approach for proteomic mapping in both cell culture and whole organisms (see our 2019 overview...reduced risks of unwanted mutations in mammalian cells. Long sequences traditionally have higher risks ...multiplexing by: Rachel Leeson Multiplexed images in live cells remains a challenge due to multiple factors, including...

  7. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    ... vaccines, including 1) cellular responses in addition to antibody response 2) very high immunogenicity...difficult-to-transfect cell types ranging from primary to embryonic stem cells. Viral integration of a... also generally less toxic to cells than transfections, preserving cell viability. Library delivery Screening...Viral applications Viruses work by infecting a host cell (the target of viral infection) and delivering a...to be anything you want delivered to your target cells. This delivered DNA/RNA can then be either permanently...permanently integrated into the genome of the target cell or transiently expressed. It’s important to note...This vector can express your construct in target cells transiently or constitutively depending on the virus...

  8. Plasmids 101: Yeast Vectors

    Type
    Blog Post
    ... the 2 micron circle (a natural yeast plasmid) allows for 50+ copies to stably propagate per cell. The...within an E. coli cell, but vectors can be widely utilized across many different cell types and each one... the yeast cell. These elements control not only the number of plasmids found in each cell, but also whether...are eukaryotes and thus contain complex internal cell structures similar to those of plants and animals...components to allow shuttling between E. coli and yeast cells. To be useful in the lab, the vectors must contain...replication (ORI) and a means of selection in yeast cells, in addition to the bacterial ORI and antibiotic...determines plasmid copy number within the bacterial cell. Similarly, the specific ORI elements included within...

  9. Communicating Your Science With Help From ComSciCon

    Type
    Blog Post
    ...aspects of the work you presented may also be unclear. 2. Make the audience your primary focus When writing...as an opportunity to practice communicating.  Excellent scientists learn from advisers and other mentors...help graduate students in all STEM fields become excellent science communicators. To empower graduate students...

  10. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    ...closely mimicking the future application. In figure 2 we provide an example of the comparison of the practical...dodge cellular variation observed in mammalian cells is to tag an endogenous gene. By imaging cells (or ...mammalian cells within the dish. This is caused by the stochastic nature of plasmid uptake by cells. To correct...intended application. The three key properties for live cell imaging that will be treated in this series of posts...Determining practical brightness When a dish of mammalian cells is transiently transfected with a plasmid containing...allows for a precise determination of brightness in cells, under realistic experimental conditions. By determining...al (2017) and Heppert et al (2016). In mammalian cells this would be possible with CRISPR/Cas-based genome...
Showing: 451 - 460 of 587 results