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We narrowed to 819 results for: cell

Showing: 301 - 320 of 819 results

  1. Ras Pathway

    Type
    Collection
    ...molecular switches that transmit signals within the cell. GTPases have an active (GTP) and inactive (GDP)...prominent roles in signaling pathways regulating cell migration, survival, adhesion, growth, and differentiation...Cancer Impact Ras is ubiquitously expressed in all cells and all tissues. Ras can activate a variety of ...pathways, which ultimately turn on genes involved in cell growth, differentiation and survival. Ras is essential...essential for regulating the growth of the cell, however when mutations occur in the Ras gene it can be... active form, constantly activating pathways for cell growth and potentially leading to cancer. Constitutively...E2F2 E2F3 E2F transcription factor ECT2 Epithelial cell transforming 2 EGFR Epidermal growth factor receptor...

  2. CRISPR Antimicrobials

    Type
    Blog Post
    ...reach essentially every cell or else small pools of antibiotic resistant cells could repopulate the environment...strategies are nonspecific - they harm any bacterial cell without a resistance gene, allowing resistant bacteria...antibiotics target one of three essential processes: cell wall synthesis, DNA replication, or protein synthesis...eliminated from the bacterium, which may also induce cell death. CRISPR also enables increased specificity...Treating a mixed population, represented here by cells of different colors, specifically targets bacteria...bacteria. Targeting a genomic sequence results in cell death. Plasmid targeting may result in plasmid loss...and antibiotic resensitization, or may also cause cell death. Image from Beisel et al., licensed under ...

  3. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    ...choose cell lines that are highly transfectable.  The amounts of each plasmid transfected into cells are ... polymerase gene or using cells that stably express T7 (e.g. BSR T7/5 cells) (1). We hope that minigenomes...capable of being replicated and transcribed in the cell when the appropriate viral proteins are provided... RNA-dependent RNA polymerase into the infected cells. The EBOV polymerase replicates the viral genome...on separate plasmids and are co-transfected into cells alongside a plasmid encoding the minigenome. These...the minigenome) are efficiently transfected into cells. All of these components are necessary to efficiently... RNA polymerase also needs to be present in the cells to transcribe the viral mRNAs and minigenome. This...

  4. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    ...orthologs that display cleavage activity in mammalian cells. Like Cas9 nucleases, Cpf1 family members contain...the PAM. With this information, they turned to a cell culture system to see if any Cpf1 nucleases would...would exhibit in vivo activity in mammalian cells. From 16 diverse Cpf1 candidates, Zetsche et al. found...particularly helpful for targeting non-dividing cells, which are difficult to modify through homology-... Cpf1 orthologs known to be active in mammalian cells, LbCpf1 and AsCpf1. In both reports, on target editing... (RNPs) failed to induce off-target editing in a cell culture model. The application of Cpf1 to genome...RNA-guided endonuclease of a class 2 CRISPR-Cas system." Cell (2015). PubMed PMID: 26422227. Find plasmids from...

  5. Allen Institute for Brain Science AAV Enhancer Collection

    Type
    Collection
    ...access to cortical cell types. Cell , 188 (11), 3045–3064. https://doi.org/10.1016/j.cell.2025.05.002 PMID...to target a variety of cell populations in different brain regions. Labeled cell populations were tested...regulatory sequences — termed enhancers — to drive cell type-specific expression. The Allen Institute for...differential chromatin accessibility across different cell types and cloned into an AAV backbone. Most enhancers...mouse brains. This collection contains plasmids for cell populations in the following regions: Isocortex ...-WPRE3-BGHpA AiP12320 AiE0475m SYFP2 Chandelier cells (Pvalb) Isocortex 230384* pAAV-AiE0475m-minBG-iCre...pAAV-AiE0475m-minBG-iCre(R297T)-BGHpA AiP13790 AiE0475m Cre Chandelier cells (Pvalb) Isocortex 214561 pAAV-AiE2566m-minBG-SYFP2...

  6. Hot Plasmids - January 2023

    Type
    Blog Post
    ...mCherry for FACS sorting of the weaponized T-cells (CAR-T cells) - and then delivering them to a tumor - ...effectively as standard CAR-T cells, but it reduces the off-target effects caused by T cell migration.  CAR expression...reducing the on-target off-tumor activity of CAR–T cells was recently devised by the Yingxiao Wang lab.  ...above can be made for expressing your favorite T-cell receptor, or perhaps any other tool that can benefit...  Wu Y, et. al. Control of the activity of CAR-T cells within tumours via focused ultrasound. Nat Biomed...

  7. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    ...cryopreserved hybridomas, immortalized cells created by fusing an activated B cell that produces the antibody of...of interest with a myeloma cell. This RNA was then used to generate cDNA, which  was used as a template...of hybridoma generated mAbs is that if the frozen cell line becomes non-recoverable, the stock of the mAb...hybridoma stocks, without having to grow up the cells. This RNA could then be used to generate functional...immunofluorescence-immunocytochemistry (IF-ICC.) This method was chosen because cells transfected with a plasmid to express the target... could be screened in a high-throughput manner. Cells were labeled with both a hybridoma generated mAb...

  8. 5 Great Apps for Lab Life

    Type
    Blog Post
    ...’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn a new...spectrometry app. I digress. When I started learning proper cell culture technique, I tried to find an app that could...calculations. This is how I came across the Gibco Cell Culture app. Gibco organizes its app into four categories...tools are a lifesaver when your research requires cell culture and include a counter, lab timer, dilution...educational section. This section holds the Gibco Cell culture manual and basic instructional videos. The... Overall, it’s a great tool for someone starting cell culture work. 3. NEB Tools by New England BioLabs...alternative, similar apps: Findings Lab Notebook Cell Culture Split Calculator by DRDP Restriction Enzyme...

  9. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    ...non-growing cells are orange, slow growing cells are orange-green, and fast growing cells are green. A...fluorescence. Cells expressing the library are then sorted by fluorescence-activated cell sorting into ...population. Last, Bernach will simultaneously monitor cell cycle and growth rate using TIMER and an unstable...reporter under the control of promoters that control cell cycle gene expression.  Additional Resources on...

  10. CRISPR Plasmids for Genomic Visualization

    Type
    Collection
    ...compatible with fluorescence microscopy in living cells. Alternatively, gRNAs can be fused to protein-interacting... multiple genomic loci, and compatible with live cell imaging. Compared to techniques like fluorescence... for detecting the chromatin dynamics in living cells. The fluorescent CRISPR system has been used for... loci, as well as chromosome painting in living cells. Visualizing a specific genomic locus requires recruitment...repetitive loci can be efficiently visualized in living cells using a single gRNA that has multiple targeted sequences...

  11. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    ...human T cells and hematopoietic stem and progenitor cells (HSPC)s to ~40% expression in the K562 cell line...gene to airway epithelial cells in mice. This vector transduced ~10% of cells, similar to the transduction... then independently packaged into an AAV. When a cell is co-infected with both part A and part B AAVs,... always.  The combination of serotype and tissue/cell type could have a big impact on the rate of transgene...since both of these variables influence whether cells will be co-transduced with multiple copies of both... followed by the 3’-end of the transgene. When a cell is transduced by both viruses, if the AAV genomes...optimal sequences, the group achieved ~80% of muscle cells expressing mini-dystrophin.  3. Hybrid  Overview...

  12. University of Florida Serotype Testing Panel for the Eye and Brain

    Type
    Collection
    ...adipose tissue-derived mesenchymal stem cells into pluripotent stem cells by a mutant adeno-associated viral...serotype also demonstrates enhanced transduction of cells in culture for ex-vivo conditioning. The AAV2(trpYF...displays enhanced transduction of hematopoietic stem cells and microglia. The AAV6(dbY-F+T-V) serotype was ...AAV-mediated transduction and targeting of retinal bipolar cells with improved mGluR6 promoters in rodents and primates...human gene therapy of glaucoma and their reversed cell entry characteristics. Gene Ther . 2020 Apr;27(3...delivery of a novel AAV vector targets ON bipolar cells and restores visual function in a mouse model of... of Primary Human Hematopoietic Stem/Progenitor Cells by AAV6 Vectors: Strategies for Overcoming Donor-Variation...

  13. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    ...knock out, etc. – CRISPR can be used to generate cell line or animal models which have the precise disease...Since CRISPR has been adapted for use in primary cells, many tissue types, and across species, it enables... phenotype. CRISPR can also be used to generate cell line knock-ins of patient mutations which are variants...CRISPR has revolutionized the generation of knockout cell lines which has made this control step extremely...in a cancerous background and treat the parental cell line and the X knockout with your drug(s). If a ...the Addgene blog CRISPR 101: Making a Knock-In Cell Line Using CRISPR-Cas9 to Edit Disease Out of the...

  14. Fluorescent Protein Guide: Subcellular Localization

    Type
    Collection
    ...between animal cells. They are important for holding cell structures together and reducing cell stress. There...give the cell its shape, organize cellular organelles, and are necessary for movement and cell division...example, houses the cell’s genetic material. The mitochondria produces the energy cells required for chemical... on cell cycle) Centrin-2 EGFP Erich Nigg 41151 pEGFP Cep170 C-term Centrioles (dependent on cell cycle...Fluorescent Protein Collection . Return to top Cell Junctions Cell junctions are responsible for forming connections...General Structures Eukaryotic cells contain a variety of organelles and subcellular structures, each with their...its role in secreting proteins from the cell to the extracellular environment. Proteins are first translated...

  15. Top Requested Plasmid of 2017 - pMD2.G

    Type
    Blog Post
    ...used to deliver Cas9 and other genes to mammalian cells. For this reason, the top requested plasmid of 2017... coat the virus and help determine the types of cells that it can infect. The VSV-G envelope is widely... lentiviruses to infect many different types of cells. This means researchers who use VSV-G can deliver...deliver their genes of interest to a variety of cells and study their effects. To date, nearly 900 articles...in studies of the secretome, ubiquitin ligase, cellular senescence, autophagy, CRISPR, and so much more...

  16. Quick Guide to Near-Infrared Fluorescent Proteins

    Type
    Blog Post
    ...mammalian cells. dDetermined as effective NIR fluorescence in transiently transfected live HeLa cells with ...Near-Infrared Fluorescent Proteins in Mammalian Cells. Cell Chem Biol 24, 758-766 e753 (2017). Baloban, M...developers and users, BV is present in eukaryotic cells as an intermediate of heme metabolism (Shemetov ...to GFP-like probes by supplying a single gene to cells. Still in bacteria, which do not produce BV, an ... to consider effective brightness of NIR FPs in cells, in addition to their molecular brightness (a product...the concentration of BV-containing molecules in a cell and depends on the efficiency of BV incorporation...Photo-stabilityc, t1/2, s pKa Brightness in HeLa cells vs. iRFP713, % d Ref BphP-based FPs miRFP670...

  17. mTOR Pathway

    Type
    Collection
    ...Laplante M, Sabatini DM. Cell. 2012 Apr 13;149(2):274-93. doi: 10.1016/j.cell.2012.03.017. PubMed PMID... (mTOR) is a key metabolic regulator controlling cell growth and proliferation. mTOR, a serine/threonine...signals to determine the nutritional state of the cell and regulates the switch from anabolic to catabolic...growth factors, including insulin. mTORC2 influences cell survival and cytoskeletal organization. Cancer Impact... promotes the conditions needed for uncontrolled cell growth and proliferation, including an abundant ...appears to signal upstream of Akt, also promotes cell survival and proliferation. mTOR Pathway Plasmids... one drug, many effects. Li J, Kim SG, Blenis J. Cell Metab. 2014 Mar 4;19(3):373-9. doi: 10.1016/j.cmet...

  18. Promega Plasmid Collection

    Type
    Collection
    ...expression systems including E. coli , mammalian cells, and cell-free systems. HiBiT Fusions HiBiT is a small...proteins at endogenous levels in lysates or live-cells, thus preserving physiological relevance. NanoBiT... to either LgBiT or SmBiT and expressed in live cells. When the two proteins interact, the subunits come...designed to measure molecular proximity in living cells. NanoBRET PPI assays use NanoLuc Luciferase as a...NanoBRET 618 fluorophore, as the energy acceptor. Live-cell reagents allow you to detect PPI induction and inhibition... NanoLuc luciferase-fusion protein expressed in cells. Additional Resources Browse Addgene's Luciferase...NanoLuc fusions are useful for both intracellular and extracellular applications where you want minimal...

  19. AAV Molecular Tools

    Type
    Collection
    ...Jinhyun Kim Tools for Cell Ablation These AAV encode tools that can be used for cell ablation. ID Name Expression...Transactivators Affinity Purification Neurophysiology Cell Ablation Genome Engineering Labeling Overexpression...diphtheria toxin receptor fused to GFP for studying cell ablation. 2 Thomas Jessell , Eiman Azim 45580 pAAV-flex-taCasp3...expression of designer pro-taCasp3 and TEVp for studying cell ablation. 1, 5 Nirao Shah , Jim Wells Genome Engineering...Tools These AAV encode tools that can be used for cell or protein labeling. ID Name Expression System Activity...AAV8-DIO-Reporter viruses infected in postsynaptic cells. 5 Don Arnold Don’t See What You’re Looking For?...

  20. Measuring Kinase Activity at the Single-Cell Level with Kinase Translocation Reporters (KTRs)

    Type
    Blog Post
    ... the single-cell level can aid in drawing connections between signaling activity and cell phenotype. One...Covert, M.W. (2018). Live-cell measurements of kinase activity in single cells using translocation reporters... One method for monitoring live single-cell kinase activity is FRET, but FRET reporters are challenging...their Kinase Translocation Reporters (KTRs) whose cellular localization serves as a proxy measurement of ... used to measure kinase activity in specific subcellular compartments. Second, because KTRs shuttle between...
Showing: 301 - 320 of 819 results