Skip to main content
Addgene
Showing: 81 - 90 of 812 results
  1. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    ...single genetically-defined subset of cells. By labeling fewer cells in a population, it’s easier to visualize...non-overlapping cells. While transgenic animals are commonly used to specifically manipulate a cell type of interest...expressed. In cells where the stop cassette remains, the effector is not expressed and the cells are not labeled...sparse labeling of the cell population that expresses SPARC and the fraction of cells that will be labeled... interest in an organism, all cells of that type are affected. Previous tools to overcome this restraint... of the gene construct. A predictable number of cells will express the effector or retain the stop cassette...tool that allows for the labeling of a subset of cells with the same genetic makeup, overcomes all of these...
  2. Rabies and Neuronal Tracing

    Type
    Blog Post
    ...it first infects one cell (the “starter cell”). It then replicates within that cell, and nascent RABV cross...connections to the starter cell, RABV was modified to only infect user-defined starter cell types, as well as ...dictate infection of target cells through their interactions with target cell surface receptors (Callaway...Callaway 2008). Based on this, cell type specificity of the starter cell can be achieved by using EnvA-pseudotyped...studied biological processes, like how our stem cells are housed in specific locations and give rise to...Tracers Due to their ability to efficiently enter cells and deliver a variety of cargoes, genetically engineered...replicate, and for a virus to cross a synapse from one cell to another, it must replicate. Modified Rabies Virus...
  3. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    ...varying across cell types. Variance can be caused by cell cycle rates; rapidly diving cells will have higher... of your cells. Enrich S-phase cells HR operates predominantly in S and G2 phase of the cell cycle, when...HDR events, ensure cells are actively cycling through the cell cycle stages. If cells are overly confluent...way to make a knock-in cell line is to utilize the built-in repair pathway cells already have for repairing...than quiescent cells. It is important to know that HR is often mutated in cancer cells, specifically in...keeping an eye on those cells! To take this one step further, you can inhibit cell cycle regulatory proteins...negative outcomes on viability if cells are arrested too long. Prolonged cell cycle arrest can lead to apoptosis...
  4. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    ...transgenic cell lines? One of the major uses of the piggyBac™ system is to create stable transgenic cell lines...efficiency is likely to be cell line-dependent, and should be tested in the cell line of interest. Importantly...If the cell’s chromatin structure undergoes significant rearrangement (such as when a stem cell initiates...manipulations in animal models or cells lines, including stem cells, without leaving behind any accessory...applications, including making transgenic cell lines and genetically-modified cell lines. Furthermore, the use of... in Human Pluripotent Stem Cells: Choosing the Correct Path.,” J. stem cell Regen. Biol., vol. 1, no. ...cytotoxic for proliferating cells and provides a simple tool for conditional cell ablation.,” Proc. Natl. ...
  5. Antibody Guide

    Type
    Collection
    ... 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...
  6. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    ...on or in these cells: antibodies can bind to proteins on the cell surface, or the cell membrane can be...fusing B cells that have been extracted from animals injected with protein antigen to myeloma cells. The ... measurement of protein expression in cell lysates, whole cells, or tissue samples. Many experiments that...heterogeneous mixture - for example, cell lysate or media from cultured cells. ELISA can be used to quantitatively...same cell simultaneously as well as compare between samples. Learn more about flow cytometry. Cell and ... (immunohistochemistry) or cells (immunocytochemistry). This could be cells or tissue slices mounted to...an animal, to directly label circulating cells or other cells that are accessible from the bloodstream...
  7. Using a Light Microscope Protocol

    Type
    Protocol
    ...like microbes in a drop of pond water or the cells in your cell culture dish. Microscopes come in a huge ...transmission electron microscopes that allow us to see cellular components with science-fiction levels of detail...
  8. What Good Citizenship Can Do for Reproducibility in Science

    Type
    Blog Post
    ...including Trends in Cell Biology, Cell, Molecular Cell, Developmental Cell, and Cell Stem Cell.  She was the...inception and launch of other Cell Press journals, including Cell Metabolism, Cell Reports and Joule. In September...Deborah Sweet from Cell Press. Deborah Sweet is the Vice President of Editorial at Cell Press.  She trained...the founding Editor-in-Chief of Cell Stem Cell, a role she held for 10 years, and played a major role in...by Deborah Sweet, Vice President of Editorial at Cell Press. Almost everyone who works in a lab struggles...communication of science very seriously. That’s why at Cell Press we developed STAR Methods to improve the structure...trained originally in cell biology, completing her PhD at the MRC LMB in Cambridge UK and then a postdoc...
  9. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    ...packaging cell line. γ-Retroviruses can transduce target cells, but the transduced target cell does not...using helper-free packaging cell lines This method utilizes a packaging cell line that stably expresses... packaging cell line. For example, Phoenix, a second generation γ-retrovirus packaging cell line developed...and rat cells), or an amphotropic envelope, Phoenix-AMPHO (for the infection of mammalian cells.) Using...transduce both dividing and non-dividing cells because once in the host cell cytoplasm, the viral components are...for efficient gene delivery to mammalian cells using 293T cell-based systems. Curr Protoc Immunol. 2001...γ-retroviruses (gamma-retroviruses) in cancer and stem cell research has prompted the development of multiple...
  10. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    ...resistant cancer cells exist prior to drug treatment. They infected a non-small cell lung cancer cell line containing...same parent cells that represent the preexisting resistant subpopulation 2. Resistant cells among the separate... target cell population at low multiplicity of infection (MOI) such that each individual cell receives...researchers to individually label millions of mammalian cells through lentiviral infection and to monitor their...quantify the take rate of mouse xenografts after cell implantation. Their goal was to figure out how to...ClonTracer library to determine whether or not cancer cell populations resistant to drug treatments arise during...They hypothesized that, if they labeled the parent cell population using the library, propagated it, separated...
Showing: 81 - 90 of 812 results