Skip to main content

We narrowed to 813 results for: cell

Showing: 51 - 100 of 813 results
  1. 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...expression of designer pro-taCasp3 and TEVp for studying cell ablation. 1, 5, 8 Nirao Shah , Jim Wells 124364 ...diphtheria toxin receptor fused to GFP for studying cell ablation. 2 Thomas Jessell , Eiman Azim 207997 pAAV...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, 8 Don Arnold 232352 pAAV-DIO-ATLASsnFlp Syn-...-fDIO-Reporter viruses infected in postsynaptic cells. 8 Don Arnold 232353 pAAV-DIO-BACE-HA Syn-driven...
  2. Zinc Finger Consortium: OPEN Reagents

    Type
    Collection
    ...function in zebrafish, plants, and human cells ( Maeder et al., Mol Cell 2008 , Foley & Yeh et al., PLoS ONE... Townsend et al., Nature 2009 , Zou et al., Cell Stem Cell 2009 ). Resources A detailed protocol for practicing...ZFNs that function in zebrafish, plants, and human cells Kits...
  3. COVID-19 Resources

    Type
    Collection
    ... Protease Inhibitor . Cell, 181 (2), 271–280.e8. https://doi.org/10.1016/j.cell.2020.02.052 (Link opens...virus. SARS-CoV-2 entry into a host cell, like that of SARS-CoV and MERS CoV, depends on ...key step is the priming of the S protein by host cell proteases. The S protein of SARS-CoV-2 is primed...Additional Addgene resources ACE2 plasmids - Host cell receptor mediating the entry of SARS-CoV and SARS-CoV...2 S protein and is involved in virus entry into cells (Hoffman et al., 2020). FURIN plasmids - an enzyme...2 S protein and is involved in virus entry into cells (Wang et al., 2020). Cathepsin L plasmids - a cysteine...Heurich et al., 2014). PCP4 plasmids - (Purkinje cell protein 4) is involved in beating of airway cilia...
  4. Fluorescent Protein Guide

    Type
    Collection
    ...Kits Allen Institute for Cell Science Plasmid Collection New England BioLabs Cell-Imaging Plasmid Collection...activate, inhibit, and control molecular pathways or cells. Chemogenetics Guide | Chemogenetics Plasmids Use...activate or inhibit engineered receptors that affect cell signalling pathways. Luciferase Plasmids Use bioluminescent...physiological intracellular processes with genetically encoded fluorescent biosensors. Subcellular Localization...Localization Visualize organelles and subcellular structures with well-characterized marker proteins. In Vivo...
  5. 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...Return to top Cytoskeleton The cytoskeleton is the cell's internal framework that assists in sustaining structure...
  6. Cre-Lox and Other Site-Specific Recombinases

    Type
    Collection
    ...proliferating cells. Expression may cause repetitive recombination leading to genomic instability and cell death...and control the expression of specific genes in cells or organisms. Each recombinase enzyme recognizes... the enzyme at specific times or locations using cell-specific promoters or inducible systems, you can...promoters. Expression of both fragments in the same cell reconstitutes a functional protein, allowing recombination...expression. For example, iCre or FLPo in mammalian cells may facilitate higher rates of recombination. Gene...Flp-IN: A single FRT site within the genome of a host cell line serves as the target location for integration...expression vector allows you to visualize which cells have undergone recombination. Reporter plasmids ...
  7. Lentiviral Prep Service

    Type
    Collection
    ...barcodes to combinatorially index cells for single-cell analysis of clonal dynamics. This library expresses...carrying version 1 of the CellTag barcoding library. Version 1 of the Celltag library contains 19973 barcodes...carrying version 2 of the CellTag barcoding library. Version 2 of the Celltag library contains 4934 barcodes...carrying version 3 of the CellTag barcoding library. Version 3 of the Celltag library contains 5737 barcodes...Libraries ID Name Description PI 115643 Morris CellTag Barcode Library Version 1 Ready-to-use lentiviral...
  8. Empty Backbones - Choosing Your Perfect Plasmid Backbone

    Type
    Collection
    ...and display of proteins on the extracellular surface of S. cerevisiae cells His-tagged versions of pFastBac... the elements needed for replication in the host cell and are designed for a user to insert a gene of ..., or express the insert they carry in the target cell. These vectors allow you to test the function of....1-mCherry - Expresses mCherry tag in mammalian cells pBI-MCS-EGFP - Tet-inducible Find more Tet-inducible...experiments, scientists often want to create stable cell lines in which the expression cassette of interest...is incorporated into the host DNA. For mammalian cells, you can do this through viral vector delivery...transduce both dividing and nondividing cells, integrate into host genome pLenti CMV GFP DEST ...
  9. Tetracycline Inducible Expression

    Type
    Collection
    ...expression of the transactivator proteins in mammalian cells or other species by codon optimization of their ...gene of interest from two separate vectors. Stable cell lines or transgenic animals can be made to achieve... and ensures that all transfected or transduced cells express both components in the same relative ratio...derivatives can be found in Krueger et al., 2004. Some cell culture sera may contain tetracycline or its derivatives...expression of mouse Oct4, Sox2, Klf4, and Myc for iPS cell generation Rudolf Jaenisch 51543 FUW-tetO-hOKMS ...expression of human Oct4, Sox2, Klf4, and Myc for iPS cell generation Tarjei Mikkelsen 172115 PB-TO-hNGN2 Piggybac...pSF3-ultraID Expression of UltraID in mammalian cells with the Tet-On or Tet-Off system Julien Béthune...
  10. Caltech Systemic Capsids

    Type
    Collection
    ...then cell type. For CNS: For infant rhesus macaques: Broad tropism - AAV.MaCPNS1, AAV.MaCPNS2 Cell type-biased...tropism - AAV.CAP-B22 Cell type-biased: Neurons - AAV.CAP-B10 Brain vascular cells - AAV.CAP-Mac For rats...tropism - AAV-PHP.eB Cell type-biased: Neurons - AAV.CAP-Mac Brain vascular cells - AAV9-X1.1, AAV1-X1...including: the delivery method, mouse strain, target cell type or tissue of interest, and model organism under... above helps you choose the best capsid for your cell type. First, do you want to target CNS ...Broad tropism - AAV-PHP.eB, AAV-PHP.AX, AAV-PHP.eC Cell type-biased: Astrocytes - AAV-PHP.AX with GRE or...AAV-PHP.eB with GRE or transgenic animal Brain vascular cells - AAV9-X1.1, AAV1-X1 Neurons - AAV.CAP-B10, AAV-...
  11. Antibody Production

    Type
    Collection
    ...mammalian expression vectors, human embryonic kidney cells are transfected with the plasmid(s) encoding the.... This buffer is not compatible for use in live cells and will interfere with conjugation. For applications...antigen is first transiently expressed in mammalian cells. To learn which specific QC experiments were performed...email [email protected] . Immunocytochemistry (ICC) Cells are fixed and labeled with the antibody and a species-specific...Western Blotting (WB) Proteins are extracted from cells, separated by SDS-PAGE, transferred to a membrane...
  12. Antibody Plasmid Collection

    Type
    Collection
    ...expressing these in bacteria, mammalian cells, yeast, plants, or insect cells. Benefits include consistency between... research purposes include animals or hybridoma cells, but are difficult to generate due to expense and...monoclonal antibodies (R-mAbs) expressed in mammalian cells. Monoclonal antibodies are derived from an individual...transiently transfected into mammalian tissue culture cells, the R-mAbs are secreted into the culture media ...
  13. Zhang Lab CRISPR Page

    Type
    Collection
    ...genome editing in mammalian cells (Cong et al ., Science 2013, Ran et al ., Cell 2013, Ran et al ., Nature...Matoba S, Zhang Y, Zhang F. Cell . 2013 Sep 12;154(6):1380-9. doi: 10.1016/j.cell.2013.08.021. Epub 2013 Aug...Feng G, Sharp PA, Zhang F. Cell . 2014 Oct 9;159(2):440-55. doi: 10.1016/j.cell.2014.09.014. Epub 2014 Sep...CRISPR/Cas system can be implemented in mammalian cells by co-expressing the S. pyogenes Cas9 (SpCas9) nuclease...cloning. GFP-KASH fusion facilitates FACS sorting of cells and nuclei. Return to top AAV - Cas9 mouse CRISPR-Cas9...constitutively expressing Cas9 knockin mice (Platt et al ., Cell 2014). In these mice the CRISPR-Cas9 system can ...recombination and fluorescence assisted sorting of cells and nuclei in addition to sgRNA expression. This...
  14. NETRF

    Type
    Collection
    ... Modeling Neuroendocrine Tumors Using Adult Stem Cell-Derived Organoids Matthew Meyerson Dana-Farber Cancer...Institute Epigenetic Regulators of Intestinal Endocrine Cells and Carcinoid Tumors Qiao Zhou Harvard University...University Epigenetic Regulators of Intestinal Endocrine Cells and Carcinoid Tumors Bradley Bernstein Broad Institute...
  15. Depositor Collections

    Type
    Collection
    ...Institute for Cell Science Plasmid Collection E11 Bio PRISM Collection New England BioLabs Cell-Imaging Plasmid...Botman-Teusink Yeast FP Collection Protein Expression Cell Migration Consortium Malate Dehydrogenase CUREs ...
  16. Cancer Research Plasmids and Resources

    Type
    Collection
    ...important to normal cell signaling and physiology, and, when dysregulated, can enable cancer cell survival. Although...that is essential for regulating the growth of the cell. p53 p53, the most frequently mutated gene in human...
  17. CRISPR Plasmids - Empty gRNA Vectors

    Type
    Collection
    ...Cas protein and a target-specific gRNA in the same cell at the same time. All-in-one plasmids ensure that...both the Cas and gRNA are delivered to the same cells, but are limited to the function of the Cas protein...an additional plasmid containing a Cas enzyme or cells or organisms in which Cas has been integrated into...
  18. CRISPR Plasmids - RNA Targeting

    Type
    Collection
    ...to activate programmed cell death or dormancy for phage-infected bacterial cells so as to limit the spread...population. Type VI enzymes that function in mammalian cells can be used to attentuate RNA levels. In mammalian...
  19. Optogenetics Plasmid Collection

    Type
    Collection
    ...to blue light and allows cations to flow into the cell. Variants of channelrhodopsin have been engineered...improve the expression and membrane targeting in host cells. Other microbial opsins, such as the Halorhodopsins...actively move cations or anions into or out of the cell. When using these opsins as a tool to control neuronal...switch tools to activate, inhibit, and manipulate cellular processes. Plasmid...plasmids that use light to control a protein or cellular activity. For example, search "Cdc42", "transcription...
  20. TALEN Engineering

    Type
    Collection
    ...Tesson et al., Nat Biotechnol. 2011 ) Human somatic cells ( Miller et al., Nat Biotechnol. 2011 ; Reyon and...., Nat Biotechnol 2012 ) Human pluripotent stem cells ( Hockemeyer et al., Nat Biotechnol. 2011 ) TALE...TALE transcriptional activators in human cells ( Maeder et al., Nat Methods 2013 ) More detailed information...
  21. Bacterial Expression Systems

    Type
    Collection
    ... location of your protein of interest within the cell, you will need to tag it with something that makes...fused to FPs and monitor their localization in live cells. ID Plasmid Tags PI Additional Addgene Protein Visualization... and expression species. The New England Biolabs Cell-Imaging Plasmid Collection contains plasmids for... inside living or fixed bacterial and mammalian cells. Addgene Blog A Guide to Selecting Fluorescent Dyes... Siouxsie Wiles 106476 pET28a_T5-ARG1 Bacterial cells Ultrasound (acoustic reporter gene, ARG1) Escherichia...Mikhail Shapiro 106473 pET28a_T7-ARG1 Bacterial cells Ultrasound (acoustic reporter gene, ARG1) Escherichia...Mikhail Shapiro 106474 pET28a_T7-ARG2 Bacterial cells Ultrasound (acoustic reporter gene, ARG2) Escherichia...
  22. Adeno-associated virus (AAV) Plasmids

    Type
    Collection
    ...or genetic elements of interest to introduce in cells. A packaging plasmid (or Rep/Cap plasmid) containing...or herpes simplex virus, to replicate in the host cell and complete the lytic cycle. To avoid the use of...provided by helper plasmids and specific packaging cell lines. Helper plasmids generally encode the adenoviral... General Transfection AAV Production in HEK293T Cells AAV Purification by Iodixanol Gradient Ultracentrifugation...
  23. SARS-CoV-2 Pseudotyped Virus

    Type
    Collection
    ...then be used to infect permissive cells that express ACE2, the cellular receptor for SARS-CoV-2, in a single...firefly luciferase to simultaneously measure the # of cells containing reactivated latent provirus and the overall...strength of viral transcriptional response in these cells. Warner Greene 105621 Lenti-luciferase-P2A-Neo Lentiviral...
  24. p53 Pathway

    Type
    Collection
    ...p53 are in promoting cell cycle arrest, apoptosis, or senescence in damaged cells. The p53 name arose ...or E2 Cyclin G CCNG1 CCNG2 Cyclin G1 or G2 CDC25 Cell division cycle 25C Cdk4/6 CDK4 CDK6 Cyclin-dependent...member 10b E2F-1 E2F transcription factor 1 Fas Fas cell surface death receptor Gadd45 GADD45A GADD45B GADD45G...transcription factor and tumor suppressor activated by cellular stress. Cancer...transcription factor and tumor suppressor activated by cellular stresses like DNA damage, oxidative stress, and...
  25. Cellosaurus: A Cell Line Information Database

    Type
    Blog Post
    ...in which the cell line was described. Using Cellosaurus Cellosaurus is searchable by cell line name (recommended...resource called Cellosaurus, a growing cell line information database describing nearly 145,000 cell lines. Cellosaurus... related cell lines when annotating a cell line Community submissions via email: cellosaurus@sib.swiss...with cell line catalogs and collections. Importantly, Cellosaurus also identifies problematic cell lines...HeLa cells. Image courtesy of Josef Reischig.  Contributing to Cellosaurus Generated a new cell? Or ...problems with cell lines. Science 2014; 346:1452–1453. Bairoch, A. The Cellosaurus, a Cell-Line Knowledge...problems, like cells lines. A 2014 study in Science found that approximately one-third of cell lines used ...
  26. Single-cell tracking of lineage and identity with CellTag

    Type
    Blog Post
    ...Tracking lineage and cell identity at the single-cell level with CellTag CellTagging is a lentiviral based...individual cells. Each cell is labeled with 3-4 tags to increase the diversity of the CellTag library. ...reprogrammed cells based on single-cell gene expression patterns. The lab has also used CellTags for tagging...describes the process where differentiated cells are turned into a cell type of choice while bypassing the intermediate...majority of cells failing to develop the desired identity. The development of single cell technologies...simultaneously tracks clonal history and cell identity at the single-cell level, thus linking ancestral gene...), a self-renewing cell type that can differentiate into hepatic or intestinal cell types. MEFs were reprogrammed...
  27. Protocol - How to Ligate Plasmid DNA

    Type
    Protocol
    ...complete plasmid can be transformed into bacterial cells for propagation. The majority of ligation reactions...Interpretation Uncut vector - Checks viability of competent cells and verifies the antibiotic resistance of the plasmid...
  28. Luciferase Plasmid Collection

    Type
    Collection
    ...Expression of firefly luciferase from a cell-free mammalian cell lysate Marcel Bruchez 108542 pLenti-EF1a-Luciferase-IRES-Blast-WPRE...not secreted, so cells must be lysed or the substrate must be delivered intracellularly to measure luminescence...expression of luciferase in the cytoplasm of mammalian cells Peter Cockerill 212936 pGL3 Basic Vector Firefly... viral infection efficiency, to study changes in cell physiology, or as a reference level of expression...Expression of Gaussia luciferase; GFP is expressed if cells are infected with virus Christopher Buck 98580 pLX304...membrane-anchored version useful for labeling extracellular vesicles. LumiScarlet : A fusion of LumiLuc ...serve as sensors of proteome stress. pHLuc : An extracellular pH sensor consisting of a pH-sensitive GFP (...
  29. Deisseroth INTRSECT Collection

    Type
    Collection
    ...to enable three-feature cell targeting. C) Example of viral targeting of cells expressing Cre AND Flp,...parameters. Figure 1: Examples of intersectional cell population definitions using recombinases. A) Cre...adeno-associated virus (AAV)-borne payloads to be expressed in cells based on a doubly-specified combination of genetic...Neve R, Huang ZJ, Deisseroth K. 2014. Targeting cells with single vectors using multiple-feature Boolean...Cortex Reveals Local and Long-Range Circuit Motifs. Cell Rep. 28(13):3450-3461. PubMed (Link opens in a new...well-defined cellular sub-populations has generally been limited to single-component cellular definitions...multiple recombinase-expression strategies to define cellular sub-populations of interest, including dual-transgenic...
  30. Feng Zhang Multiplexed Overexpression of Regulatory Factors (MORF) Collection

    Type
    Collection
    ...Zhang Lab Plasmids The Human TFome Library Stem Cells Protocols & References MORF Plasmids MORF Pooled...Fu Z, Macrae RK, Buenrostro JD, Regev A, Zhang F. Cell 2023 Jan 5; 186(1):209-229. PubMed (Link opens in...be used for screening transcription factors for cellular programming or cancer drug resistance. Depositor...transcription factors for applications such as cellular programming or cancer drug resistance. Protocols...
  31. Worm Expression Resources

    Type
    Collection
    ...Worms are particularly well suited for studies in cell biology, development, and aging. Scientists can .... elegans hermaphrodite consists of 959 somatic cells, which makes them attractive for imaging and fluorescence...researchers to express desired constructs in precise cell types and/or developmental timeframes. Here we highlight...
  32. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    ... horizontal cells, and Cre-dependent-GFP expresses in horizontal cells and ganglion cells, only the horizontal... in retinal cells. To do this, the group developed a new strategy for finding retinal cell-type specific...and high cell-type specificity.  Strategy #3 (ProC): Create promoters by repeating mouse cell type specific... to test for cell type-specific expression of GFP. Half (113) expressed in retinal cells four weeks post-injection...targeted expression in specific cell types (ex: rods or cones) or cell classes (ex: photoreceptors which...occurred in one type of cell More than 50% of expression occurred in one type of cell, with the remaining ...ability to target a cell class in mice is not a good predictor for targeting the same cell class in NHPs (...
  33. The Challenges of Cell Culture

    Type
    Blog Post
    ...quality work in cell culture. The problems with cell lines Simply put, the majority of cell line problems...HeLa cells, the first immortalized human cell line. He proved this by examining whether the cell lines...Cancer Cells, Marker-independent identification of glioma-initiating cells. The International Cell Line ...Animal Cell Culture Guide Thermofisher Guidelines for Maintaining Cultured Cells Invitrogen Cell Culture...working cell bank has been made by a research institution (an excellent practice), or maybe cells have been... Outreach Scientist Nick Amiss. Cell culture in the present day Cell culture is a widespread tool used... ability to propagate viruses in cell culture; if there were no cells to infect, there would be no viable...
  34. AAV Viral Preps

    Type
    Collection
    ... tools that effectively transduce many mammalian cell types. AAV is used in a wide range of experiments...Tetracycline Transactivators, Affinity Purification, Cell Ablation, CRISPR Monosynaptic Neuronal Tracing Rabies...
  35. Plasmid Collections

    Type
    Collection
    ...Mammalian RNAi Microbiology Plant Expression Stem Cells Synthetic Biology Tet Inducible Expression Worm ...Consortium ARF GTPase Family BRAIN Initiative Collection Cell Migration Consortium Impact of Genomic Variation...
  36. CRISPR Plasmids - Double-Strand Break (Cut)

    Type
    Collection
    ...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 ...
  37. DNA Service - Cloning Grade DNA

    Type
    Collection
    ...Can I directly transfect cloning grade DNA into cells? Cloning grade DNA is designed for use in cloning...cloning applications. Direct transfection into cells is not recommended. Can I order more than 2 µg of cloning...
  38. Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2:  Reprogramming and Transdifferentiation

    Type
    Blog Post
    ...Induction of Human Germ Cell Fate from Pluripotent Stem Cells. Cell Stem Cell, 2015. 17(2): p. 178-94....differentiation of human ES cells and iPS cells into mature pancreatic insulin-producing cells. Cell Res, 2009. 19(...blood cells, and renal epithelial cells from urine are some of the easily isolated somatic cells that ...some of these cell types [13]:  Germ cells [14] Hepatocytes [15] Pancreatic β-cells [16] Intestinal...differentiated cell to a different cell type. While transdifferentiation is suited for switching cell types between... differentiation of human cells with synthetic modified mRNA. Cell Stem Cell, 2010. 7(5): p. 618-30. PubMed...et al., Reprogramming of T cells from human peripheral blood. Cell Stem Cell, 2010. 7(1): p. 15-9. PubMed...
  39. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

    Type
    Blog Post
    ...Pharmacological Sciences, a Cell Press reviews journal. Stem cells are special types of cells that can develop ...specialized cell types [2]. We general speak of 4 levels of stem cell potency: Totipotency: When a cell has ...pluripotent cells can be thought of as descendants of totipotent cells. An example of pluripotent cells is embryonic... into myogenic precursor cells [5]. Classification of stem cells Stem cells are classified into two broad...Embryonic stem cells ESCs are pluripotent stem cells that are able to form all adult cell types and are... Adult stem cells (ASCs) Also known as somatic stem cells, these multipotent stem cells are located ... to maintain cell numbers or replenish dying cells. For example, hematopoietic stem cells found in the...
  40. Antibodies 101: Flow Cytometry

    Type
    Blog Post
    ...plot of CD3 (T cell marker) versus CD19 (B cell marker) to separate the B cell and T cell into distinct...separate the B cell population into progenitor B cells, immature B cells, plasma cells or others.   ...determining cell health, analyzing cell cycle stages, and detecting specific populations of cells in a complex.... As cells pass through the flow cell the size of the sample stream is reduced forcing the cells to line... photons varies from cell to cell depending on the level of fluorescence. A cell expressing high levels...studies B cells, might then gate the B cell population and create a histogram of CD19-containing cells versus...CD3 versus CD19 to separate B cells, T cells and natural killer (NK) cells.   Tips for flow cytometry...
  41. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    ...out all CD8+ T cells from a mix of CD8+ T cells, CD4+ T cells, B cells, and dendritic cells. In this case...dumped”. From left to right: B cell, CD4+ T cell, dendritic cell, CD8+ T cell. Created using biorender.com...amines on the cell surface, which yields a much weaker signal on live cells compared to dead cells. As a result...in flow cytometry are cell proliferation and cell viability. Unlike intracellular labeling, dye staining...be done on live cells. For cellular proliferation, esterified dyes that can enter cells freely are typically...comes to labeling cells for flow cytometric analysis, the most common method is a cell surface label, where...through the cell membrane freely, while others require a permeabilized membrane to enter cells. Depending...
  42. Antibodies 101: Introduction to Gating in Flow Cytometry

    Type
    Blog Post
    ...Many cell types can be found in the tumor microenvironment (tumor cells, immune cells, blood cells and ...about 53% of my cells are dendritic cells and ~13% are CD8+ T cells. Around 34% of the cells are neither ...neither of the two cell types (likely B cells and others). Almost no cells stain positively for both markers...measure your cells of interest. In many experiments you’ll be working with a heterogeneous cell population...processed piece of tissue, where cells are present that vary in cell type, size, and marker proteins. ...analyzing a homogenous cell population in culture, it is normal to observe diversity in cell size, marker expression...illuminates the passing cell with a laser and detects the light scattered by that cell at a low angle (FSC...
  43. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

    Type
    Blog Post
    ...labeling T cells, B cells, and antigen presenting cells, scientists have been able to decypher cellular dynamics...tracked by cell sorter giving immunologists the ability to count cells and statistically analyze cell movements...fast T cells could jump from one antigen presenting cell to another. Indeed, we now know that T cells are...2016)? How do dendritic cells migrate to lymph nodes to activate T cells (Celli et al 2008, Kitano et al...In complex metazoans, rapid cell division and large scale cell mobility are essential processes during.... a basal progenitor cell migrating to the epithelium). At this stage, only cells from the immune system...to directly follow immune cells in lymphoid organs. The development of cell sorters together with the ...
  44. Save Time and Money by Making Your Own Competent Cells

    Type
    Blog Post
    ... competent cells (protocol)  Transformation of electrocompetent cells (protocol)  Cells prepared using...to make your own competent cells It’s easy to make your own competent cells. If you need a high efficiency...purchasing competent cells. However, for most everyday cloning, homemade competent cells will work just fine...of chemically competent cells (protocol) Preparation of electrocompetent cells (protocol) At Addgene...Set  from Zymo Research to make competent cells because cells prepared using this kit can be transformed...then wash and resuspend the cells in the provided buffers. The competent cells are then aliquoted and stored...20mL of competent cells, enough for 800 transformations when using 25uL competent cells per reaction. We...
  45. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    ...activity, and consists of other cell types, especially immune cells and cells of epithelial origin. Suppressing...turns off T cell function upon interaction with APCs. Furthermore, tumor cells alter their cell-surface proteome...molecules needed for T cell effector function. Cancer cells also produce programmed cell death ligand (PD-L1... activity of CTLs and NK cells. These cells would normally kill cancer cells but are directed not to through...to use whole cell therapeutics consisting of various types of immune cells. Dendritic cells (DCs) are particularly... intravenously. B cells and T cells activated ex vivo are also contestants for cell-based immunotherapy... include: Cell heterogeneity Tumors are composed of a wide variety of cell types. This cell heterogeneity...
  46. Plasmids 101: Mammalian Vectors

    Type
    Blog Post
    ...transfected cells may be considered an entirely new cell line from that of the original parental cells. Positive...cultured mammalian cells. Of course, these mammalian vectors must be compatible with the cell type they are...bacterial cells); however, the techniques and reagents vary. Plasmid transfection into mammalian cells is fairly...expression levels in the cells. Ideally, the chosen reporter is unique to the cell, is expressed from the...components expressed in trans within the cell for effective replication. Cell lines expressing the Epstein–Barr...mammalian cells To achieve stable transfection, there should be a selective pressure to force cells to incorporate...(basically growing cells in various concentrations of the selection reagent). Cells should die within ...
  47. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    ... hiPS cell lines generated using these plasmids, please visit the Cell Catalog on the Allen Cell Explorer...Institute for Cell Science. Learn more by visiting the Allen Cell Explorer at allencell.org and the Allen... in human cell lines. Furthermore, the quality control necessary to ensure the edited cells are behaving..., and the stem cell lines we’ve made using them are available as part of the Allen Cell Collection at ... and images generated from these cell lines can be found in the Cell Catalog on our data portal. The plasmids...transfect the cells, these large regions of homology enable us to effectively utilize the host cell’s inherent...
  48. Chemogenetics Plasmids

    Type
    Collection
    ...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...
Showing: 51 - 100 of 813 results