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We narrowed to 813 results for: cell

Showing: 291 - 300 of 813 results
  1. The Fluorescent Vegetables in Aptamer Soup

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    ...RNA aptamers are used to track cellular processes by transforming cells with plasmids encoding aptamer-tagged... been used to investigate intracellular viral DNA dynamics in neuronal cells (Nilaratanakul et al., 2017...and later introducing the small molecule into the cell. The fluorescence that is generated allows for qualitative...). DFHBI is membrane permeable and non toxic to cells. Because it rapidly photobleaches, DFHBI can only...as stable metabolite sensors for imaging in live cells. By placing Spinach downstream of a riboswitch, ... 2014); its length reduces artefacts during live cell imaging. Bunch of baby spinach, or BoBS, contains...transformed, and then sorted by fluorescence-activated cell sorting (FACS) in the presence of DFHBI to identify...
  2. Your Top Requested Plasmid in 2015!

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    Blog Post
    ...both Cas9 and your gRNA of interest to mammalian cells. It was designed to have increased lentiviral titer...knock-out thousands of genes in mixed population of cells as part of pooled library screens (1,2). The human...pooled libraries targeting both mouse and human cells are avaliable for distribution. To learn more about... includes work probing mTOR signaling in cancer cells, deciphering the mechanism of matrix metalloproteinase...Genome-scale CRISPR-Cas9 knockout screening in human cells." Science 343.6166 (2014): 84-87. PubMed PMID: 24336571...Common Ways to Deliver CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website Visit our Lentiviral...
  3. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

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    ...development. Single cell sequencing-based lineage tracing Recently, gene expression in all cells of the developing...proportions of otherwise normal cell types are produced, rather than novel, abnormal cell types. Sequencing-based...applications. For example, specific tissues such as blood cells or neurons can be fluorescently labeled, allowing...divisions, and movements of each of the thousands of cells in the developing zebrafish embryo have been tracked...developing zebrafish embryo has been mapped using single cell RNA sequencing approaches (Harland, 2018). Several...sequenced zebrafish genome. One study profiled 38,731 cells from 694 embryos over multiple stages and reconstructed...reconstructed the patterns of gene activity and cell divisions that coordinate development of the body plan...
  4. Beyond the Blood Brain Barrier: PHP.B Enters the Central Nervous System Via the LY6A Receptor

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    ...relied on for transducing cells: galactose and the AAV receptor (AAVR). Cell lines lacking galactose were...Concise review: stem cell antigen‐1: expression, function, and enigma." Stem cells 25.6 (2007): 1339-1347... Wilson labs determined LY6A, also known as stem cell antigen-1 (SCA-1), is the receptor used by PHP.B...commonly used to enrich adult mouse hematopoietic stem cells. Its ligand(s) has not been identified. While LY6A...out of Ly6a in primary C57BL/6J brain endothelial cells decreased transduction rates while overexpression...overexpression of the C57BL/6J version of Ly6a in 293T cells enhanced PHP.B transduction rates. The group also determined...PHP.B, virus still reached the brain endothelial cells of these mice, although at lower levels than in ...
  5. New Tools Enable CRISPRa for Neuroscience Applications

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    ...fluorescence activated cell sorting (FACS) to isolate differentiated from undifferentiated cells at the end of ...these cell types are used. The lack of good flow cytometric antibodies for many CNS-resident cell types...that drive neuronal fate and reprogramming." Cell stem cell 23.5 (2018): 758-771. PubMed PMID: 30318302...CRISPRa screening approach in embryonic stem (ES) cells to determine which transcription factors promote...antibodies, downstream of the TUJ1 coding sequence. ES cells that stably express the dCas9-Suntag activator were...two weeks to allow differentiation to occur. CD8+ cells were then isolated and their genomic DNA sequenced...also be applied to the differentiation of other CNS cell types, including microglia, astrocytes, and oligodendrocytes...
  6. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ...no detectable effect on cell viability – meaning there was no measurable cell toxicity – using Cas7-11...such as mouse embryonic stem cells and glioblastoma cells. PASTE Development and discovery The first ...observed in non-dividing cells, meaning that this system wasn’t dependent on the cell’s intrinsic machinery... shRNA and Cas13 systems in a range of mammalian cell lines. However, in those same comparisons, the AbuGoot...11. This included tests done in cell lines known to be more sensitive to toxicity from RNA editing, such...integrases with efficient integration activity in human cells. Moreover, they optimized the specific attachment... of plasmids, works in non-dividing and primary cells, and can be easily programmed for new genes. In ...
  7. Viral Vectors 101: The Retroviral Lifecycle

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    Blog Post
    ...synthesized inside of what is called the “target cell” (or host cell) by the viral protein reverse transcriptase...reverse-transcribed DNA into the host cell’s genome and then use cell machinery for transcription and translation...1971). Noninfectious ARK mouse embryo cell lines in which each cell has the capacity to be activated to ..., interested in transferring genes to mammalian cells (i.e. transferring DNA), yet retroviruses are RNA-containing...separate set of instructions in the same producer cells as the virus. Because it is made at the same time...viral genes. It is derived from the host/producer cell membrane, and acquired as an envelope during exocytotic...particles do once they come in contact with target cells (Fig. 3).     Figure 3: The life cycle of...
  8. Plasmids 101: The Wide World of Natural Plasmids

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    ...spread. They can be inherited by daughter cells during cellular reproduction, similar to the host’s chromosome...elements in the human gut. Cell, 187(5), 1206-1222.e16. https://doi.org/10.1016/j.cell.2024.01.039 Garcillán-Barcia...bacteriophages), or conjugation (direct transfer from one cell to another). Bacteria need special fertility genes... of a plasmid benefiting its host. For example, cells with a penicillin resistance plasmid can grow in...also carry the necessary resistance genes to help cells survive their own secretions. Pro tip! Historically...bacteria invade hosts, including attaching to host cells and evading the host immune system, and those that...used routinely in biotechnology to transform plant cells. Degradative plasmids: microbial hardiness There...
  9. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    ...This novel tool is practical in cell and organ culture, as well as cell lineage studies. Eisenhoffer and...CreLite for cell tracing using the transgenic zebrafish model, ubi:zebrabow. In this system, cells express...fast-splicing split intein and co-infected into the cell. Intein splitting removes any exogenous sequences...split into two plasmids and co-transfected into cells for reconstitution. Image from Levy et al., 2020...red-light inducible optogenetic tool for precision in cell lineage tracing Article contributed by Erin Sanders...fluorescent proteins controlled by Cre recombination. Each cell can have multiple copies of the transgene that recombine..., such as the brain, eye, muscle and epithelial cells, as well as in different stages of development, ...
  10. 15 Years of Addgene: The Top 15 Plasmids

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    ...plasmid. Envelope proteins determine which types of cells a virus can infect. The VSV-G envelope protein enables... enables this virus to infect many different cell types so it is useful in a wide range of applications... The 2A-GFP allows for screening of transfected cells. Find pSpCas9(BB)-2A-GFP (PX458). lentiCRISPR v2...deliver Cas9 and your gRNA of interest into mammalian cells. This vector was the top requested plasmid of 2015... popular in genome engineering. For use in human cell lines, the Zhang lab codon-optimized SpCas9. Using...puromycin cassette that makes it less efficient in some cell lines. pSpCas9(BB)-2A-Puro (PX459) V2.0 was made...capable of inducible expression of shRNA in target cells by the addition of tetracycline/doxycycline to the...
Showing: 291 - 300 of 813 results