We narrowed to 762 results for: cell

...thought to activate programmed cell death or a dormant state for bacterial cells that have been infected with...bacterial cells, LwaCas13a does not display nonspecific RNA cleavage activity in eukaryotic cells. They arrived...target RNAs, although its usefulness in bacterial cells will likely be limited by the propensity of Cas13a...pool of RNAs) or studying RNA processing in live cells. Indeed, groups have utilized dCas13 fusion proteins...genotype human DNA, identify tumor mutations within cell-free genomic DNA, and detect COVID-19 (Joung, Ladha...Ladha et al., 2020). Cas13a in mammalian cells The Zhang lab made the exciting discovery that some Cas13a...Cas13a orthologs can function in mammalian and plant cells (Abudayyeh et al., 2017). They characterized Cas13a...

...Bispecific T-cell engagers (BiTE®s), bind CD3 on T cells and a tumor-specific antigen, it brings T cells to a ...chimera of scFvs and T cell receptors and are expressed on T cells to make CAR T cells. The extracellular ...scFv part of the receptor can activate T cells to kill cancer cells. scFv’s small size also allows for their... display libraries screen antibody genes from B cells of immunized animals, but it's possible to avoid...also allows for screening scFv generated from the B cell antibody genes from diseased or vaccinated humans...produce scFvs in mammalian, yeast, plant, and insect cells, they are most often expressed from a plasmid in... and enables single molecule tracking in living cells. The HA frankenbody is an HA tag detection probe...

... Dyes that can pass through cell membranes can prove useful for live-cell imaging. Experimental context...Additionally, cell permeability is a critical factor, as it influences the dye's ability to enter cells without...excited. While it is technically cell-permeable, its use in live cells can sometimes result in cellular...enabled the visualization of both organic tissues and cell cultures, opening biological interiors to many inquisitive...interfere with protein expression or function in live cells. Fluorophore properties: The specific properties...context of the experiment, such as the presence of cells or specific proteins, can influence the choice of...ligands is unaffected by additional protein from cells under certain conditions, which is an important ...

...Digenome Seq 0.1% Cell-free (in vitro) Works across all cell types Must be verified with cell-based method ...Requires large cell population, senstive to time since cell fixing HTGTS Not reported Cell-based Identifies...method IDLV 1% Cell-based Programmable, can detect DSBs in live cells Not as senstive as other unbiased methods... use single cell clones for in vitro CRISPR experiments. The likelihood that a single cell clone derived...picture of the impact of CRISPR editing in the model cell line or organism. Several options exist for unbiased...Osborn et al. 2016) and HTGTS (Frock et al. 2015) for cell-based experiments. These strategies can be used ...off-target editing events. Two of the most common cell-based methods are genome-wide, unbiased identification...

...find both single-allelic and bi-allelic cells. Single-allelic cells usually make up the majority in culture...allows you to sort for GFP-positive cells and to enrich for those cells that were positively transfected....pluripotent stem cells differing exclusively at two early onset Parkinson Point mutations. Cell, 146(2), 318...CRISPR is used to engineer a locus, isolate single cell colonies, then genotype them, it is possible to ...or delivery the two plasmids together into your cells. If you want to use double nickase, you need to ...each well on 24-well plate, co-deliver into the cells with the Cas9/sgRNAs vector (like PX330). For ... Each arm is around 800 bp. For transfection in cells like HEK, we use around 400 ng of a typical size...

...Virus (MoMLV, MMLV, MuLV, or MLV) or Murine Stem Cell Virus (MSCV) genomes whereas lentiviral vectors ...things) gene delivery, generating pluripotent stem cells, and developing gene therapies for monogenic diseases...vectors, their infectivity is limited to dividing cells. Find tips on using gamma-retroviral vectors in ...are able to transduce dividing and non-dividing cells. More detailed descriptions of the lentiviral elements... to express siRNAs of their choice in mammalian cells.  Learn more about Mammalian shRNA Tools for RNAi...-optimized Cas9 under the control of Murine Stem Cell retrovirus promoter for mammalian gene knockdown...96 retroviral plasmids (based on the Murine Stem Cell Virus, MSCV) each with a unique 6 nucleotide barcode...

...building-blocks of living cells, rapidly forming covalent bonds to specific partners under cell-friendly conditions...using the reactive groups naturally present in a cell? By analogy to Click Chemistry, Click Biology can...the diverse kinds of proteins that one finds in cells. High yield of reaction — generating product without...reduced; in the ER and Golgi apparatus and outside the cell, most cysteines are oxidized in disulfide bonds....temperature and on ice, when we have cracked open the cells. The tools should react in all of these situations... for connecting proteins in the test tube or in cells. There are also SNAP-tag and HaloTag modules, which...large DNA fragments at user-defined locations NEB Cell-Imaging Collection SNAP-tag, CLIP-tag Plasmids for...

...the physiological and pathological roles of human cell glycans. Accordingly, she joined efforts with the...aspect of immunology, participating in events such as cell development, recognition and migration, the immune...plasmids to immortalize CDG patient-derived immune cell lines and use these lines to study how immune processes...McMurray is an Associate Professor in the Department of Cell and Developmental Biology at the University of Colorado...evidence of Arg-mutant protein rescue in living cells. The McMurray lab found that low concentrations ...multiple Arg-mutant proteins in living baker’s yeast cells, including Arg-mutant yeast homologs of human proteins...disease-linked Arg-mutant proteins both in yeast and human cells in order to determine the specific molecular features...

...and beads that are unable to bind to them: like cells but with far more predictability. The beads create...The benefit of beads is that they do not require cells from your experiment, and they are non-specific....flow cytometer, you generally want your positive cells to read between 104 and 105 in order to have enough...the plot to see all of your positive and negative cells. This can be achieved by adjusting your voltage ...gating schematic to easily determine where your cells of interest are (B).   Using FMO controls In...markers or commonly used markers that define broader cell populations (e.g., CD4, CD8b, CD11b, CD19), are ...require an FMO. Markers that define more specific cell populations, often used in the later gates, are ...

...abundant forms of posttranslational modification in cells and research into its many roles in protein function...interactions can be discovered by fluorescence-activated cell sorting (FACS). The Mode #2 phosphosite library ... production of recombinant phosphoproteins using cell-free protein synthesis . Nature Communications ,...TBK1 activation to promote mitophagy . Molecular Cell , 60 (1), 7–20. https://doi.org/10.1016/j.molcel...

... small circular piece of DNA found in bacterial cells, and someone new to plasmids may need some extra...and designed to introduce foreign DNA into another cell. Minimally, lab-created plasmids have an origin ...the ability of plasmids to self-replicate within a cell make them attractive tools for the life scientist...component for expression vectors: determines which cell types the gene is expressed in and amount of recombinant...plasmids also have selectable markers for use in other cell types. Primer Binding Site A short single-stranded...newly inserted gene is transformed into bacterial cells and selectively grown on antibiotic plates.  Importantly...plasmids to manipulate gene expression in target cells. Characteristics such as flexibility, versatility...

... organism for studying the bacterial cell cycle, asymmetric cell division, and cellular differentiation...crescentus Multiplexed gRNA for human pluripotent stem cells CRISPR-based DNA demethylation Optogenetic repressors...Figure 1: Serial dilutions of CRISPRi in Caulobacter cells for ctrA gene expression using various dCas9. Image...lab repressed ctrA, a gene encoding an essential cell cycle regulator. The lab expressed both dCas9 and...piggyBac transposon system for human pluripotent stem cells Lindy Barrett’s lab developed new fluorescently ... of multiplexed gRNAs in human pluripotent stem cells. Previously, CRISPRi or CRISPRa depended on continued...KRAB and dCas9-VPR for quantifying and tracking cells that express both the dCas9 construct and the fluorescently-labeled...

... light sensitive proteins (opsins) to manipulate cell activity, enables researchers to silence or incite...channels that allow charged particles to cross the cell membrane when exposed to light. Neuronal firing ...channel LiGluR both cause ion movement that results in cell depolarization. They therefore function as a neuron...in negative chloride ions which hyperpolarize the cell. It therefore functions as a neuron “off switch....They found that photostimulating the Kolmer-Agduhr cells was sufficient to trigger the symmetrical tail movement...forward swimming. Furthermore, only Kolmer-Agduhr cells on one side of the body required photostimulation...symmetrical response.  The function of Kolmer-Agduhr cells had previously been a mystery, but through the control...

...when working with cell culture, because it is easy to harvest large quantities of cells. However, when working... been widely applied in many model organisms and cell lines. Although ChIP-seq is a relatively simple ...typically requires a large amount of input material, cells or tissue, to produce a strong enough signal over...protein of interest. First, nuclei from tissue or cell culture are isolated using lectin-coated magnetic...the usage of a strong detergent to permeabilize cells rather than to rely on nuclei extraction. They report...technique, specifically in terms of initial steps of cell or tissue preparation.   All in all, CUT&RUN offers...technically challenging to collect large numbers of cells or when a high degree of signal to noise is desired...

...transducing the cell type under study. Many AAVs will show significant expression in a variety of cell types, ...optogenetics as tools to investigate the roles of certain cell types in locomotion. We have relied heavily upon...deliver chemogenetic/optogenetic constructs into our cells of interest. Although they have a small packaging...of serotype (which determines which tissues and cells an AAV can infect) can influence an AAV’s value ... tissue? Location (2): Where in the tissue/which cell type? Location (3): Traveling from the original ...AAV5, AAV6, AAV9 Pancreas AAV8 Photoreceptor Cells AAV2, AAV5, AAV8 RPE (Retinal Pigment Epithelium...-vectors/aav/aav-guide. Where in the tissue/what cell type? In the CNS, for instance, there are marked...

... specific cell-type promoter. Once injected into the brain, the viruses infect all the cells with an inactive...proteins control the flow of electric charges across cell membranes and maintain membrane potential in response...once a certain number of positive ions crosses the cell membrane, a threshold is reached and the neuron ...selective expression of opsin genes in targeted cells makes it possible to control neuronal activity with... This could be overcome by fusing opsin genes to cell-type specific promoters; however, those usually ...drive weak expression of downstream genes. Strong cell-specific promoters, on the other side, are too long...achieve strong opsin expression in specific neuronal cell types then? This is where FLEx enters the scene....

... infected cells to go undetected by the immune system in a novel way, by shielding host cell surface proteins... itself to escape vesicles within host cells and turn the cell into a veritable virus factory.  Their ... sets off.  The virus works its way into immune cells in ways that aren’t fully understood. Much of the... viral attachment and fusion. Once inside a host cell, new evidence in PLoS Pathogens shows that the Ebola...

...allowing a scientist to control signaling within cells expressing these engineered receptors. Chemogenetic...engineered receptor is coupled to and the specific cell type where the receptor is expressed, these receptors...

...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 ...

...antibody binding in the transfected cells but not in control cells. But (there is always a ‘but’), you...transfect it into your favorite cell line. In parallel, you transfect cells with another plasmid not encoding...the cells transfected with your protein of interest and show just the faintest band from the cells transfected...when you start using complex samples such as whole cell lysate or tissue sections. It is important to confirm...proteomic data from several different tissues or cell types. If your antibody indeed binds to your target...a protein of interest. Conveniently, you found a cell line in which the gene for your protein has been...You perform immunocytochemistry on these mutant cells as well as a non-mutant line and see a great antibody...