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We narrowed to 594 results for: cel.2

Showing: 401 - 420 of 594 results

  2. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    ... gamma (IFNγ) - and eliminate cancer cells. 2. Equilibrium - In a process analogous to the development...PMID: 25818339. 2. Curiel, Tyler J., et al. "Specific recruitment of regulatory T cells in ovarian carcinoma...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...

  3. Finding Your Science Policy Path

    Type
    Blog Post
    ...teaching and mentoring others (see more in Figure 2). Starting early demonstrates not only your interest...application process so you can learn more! Figure 2: The many ways to prepare for a science policy career...example proposals and consider applying for their accelerator for some hands-on guidance.   Check out my webinar...

  4. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    ...establishing the dynamic range of your FRET assay (Figure 2). These labeling methods are freely interchangeable...PMID: 20161833. PubMed Central PMCID: PMC2802762. 2. Dumas, Anaëlle, et al. "Designing logical codon reassignment–Expanding...Mammalian Cells pCMV-DnpK dinitrophenyl hapten Mammalian Cells pANAP AnapRS Mammalian Cells Note:... Qi, and Marcel P. Bruchez. "Advances in chemical labeling of proteins in living cells." Cell and tissue...endogenous biomolecules in cells nonspecifically, and they cannot cross cell membranes, so they are best... ion channels, or cell surface receptors) or with experiments on permeabilized cells. Biarsenical labeling...these compounds cross cell membranes, thus enabling FRET measurements in intact cells. The Gradia Lab has...

  5. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ... ligands can elicit varying degrees of β-arrestin-2 recruitment to receptors, indicating their agonistic...small-molecule fluorescent labels. Nature Methods, 19(2), 149–158. https://doi.org/10.1038/s41592-021-01338... is technically cell-permeable, its use in live cells can sometimes result in cellular toxicity due to... 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...enabled the visualization of both organic tissues and cell cultures, opening biological interiors to many inquisitive...fluorophores to enable highly specific visualization of cellular components, typically a protein of interest. Fluorescent...

  6. Safe Port in a Storm...How Addgene is Weathering the Pandemic

    Type
    Blog Post
    ...majority of deposited materials to study SARS-CoV-2 would be fully open and available to industry requestors...they grasped the crucial role Addgene plays in accelerating research. Yet this was still not enough to ensure...type of biomedical science research. Our work accelerates and enhances productive collaborations as well...distribution of plasmids for COVID-19 research is accelerating essential research in laboratories all around...scientists worldwide with Addgene’s traditional excellence through whatever lies ahead this year. We can...

  7. Hot Plasmids and Viral Preps - July 2021

    Type
    Blog Post
    ...method relies on the fluorescence ratio between the 2 fluorophores, rather than on the fluorescence intensity...Fluorescence Activated Cell Sorting (FACS), allowing for enrichment of successfully targeted cells that can be used...investigating genetic mechanisms related to morphogenesis, cell fate specification, and human disease.     Sun,...

  8. Sensing Neuronal Dopamine

    Type
    Blog Post
    ...developed fluorescent-protein based DA sensors (Figure 2). The dLight1 dopamine sensor In 2018, Lin Tian’s ...the brain has been in vivo microdialysis of extracellular fluid (Darvesh et al., 2011). This technique... across the semipermeable membrane from the extracellular fluid into the perfused liquid. The probe then...detection of dopamine in flies, fish, and mice." Cell 174.2 (2018): 481-496.PubMed PMID: 30007419. PubMed...

  9. RUBY-Red Siliques

    Type
    Blog Post
    ...make it easier to study these mutants.   Fig. 2: (A) Betacyanin is produced from tyrosine by the activity...graduate student studying plant development and cell-cell communication in the Nimchuk Lab in the Biology...untransformed seedlings or callus (undifferentiated plant cell culture), which is great for a wide variety of applications...

  10. Tag Your Favorite Yeast Genes with Ease

    Type
    Blog Post
    ...Pringle’s former lab at UNC Chapel Hill. Bähler et al.(2) describe a modular collection of plasmids for a wide...insertion. The linear PCR product is introduced into the cell by direct transformation. A given insert will typically...

  13. Viral Vectors 101: Transductions

    Type
    Blog Post
    ... last ~2-7 days at moderate levels. With regard to target cells or organism, some primary cells and differentiated...packaging plasmids into a viral production cell line, usually HEK-293 cells. When all of these viral plasmids ...secreted into the cellular media, making viral collection fairly easy. Producer cell media can be collected... rogue HEK-293 cell). This virus-containing media can then be placed on whatever cells you would like ...just zapping your cells? That really depends on two things. First, what type of cell or organism context...process of transferring foreign nucleic acid into a cell by a viral agent. Transductions are similar to transfections...processes which introduce foreign nucleic acid into cells by any means, but are unique in that they require...

  14. Viral Vectors 101: Parts of the AAV Transfer Plasmid

    Type
    Blog Post
    ... temporal activation of a transgene. Figure 2: FLEX Cre-Lox system.  WPRE The Woodchuck Hepatitis...about synthetic promoter AAVs for cell-type expression in retinal cells Resources on Addgene.org Find ...

  16. Creating accessible biology activities in schools with BioBits

    Type
    Blog Post
    ...PMID: 30083608. PubMed Central PMCID: PMC6070312. 2. Stark, Jessica C., et al. "BioBits™ Bright: A fluorescent...on freeze-dried, cell-free (FD-CF) components. Making proteins outside of a cell - cell free extracts Typically... into a host cell (through a process called transformation), essentially giving the cell all the instructions...to dispose of the live cells. The alternative is to express the protein in a cell-free manner. This is ...biology, especially those at the molecular and cellular level. The reason for this is cost and complexity...electrophoresis to separate DNA or transforming cells with green fluorescent protein, these activities...transcription and translation. Unfortunately, having live cells in a classroom presents equipment needs, such as...

  17. HA Frankenbody, a New Imaging Tool to Visualize Single Molecules and Nascent Peptides

    Type
    Blog Post
    ...structure-based framework engineering. Methods, 34(2), 184–199. PubMed PMID: 15312672. Inbar, D., Hochman...Stability improvement of antibodies for extracellular and intracellular applications: CDR grafting to stable...systems, and often do not fold properly once inside cells.  Developing the HA frankenbody To combat the issues... detects the widely used HA epitope in diverse cellular environments. They called this probe the HA frankenbody...previously proven to fold and function in living cells. To make these scaffolds specific to different targets...the tagged protein upon probe binding in living cells.  In their proof of concept experiment the Stasevich...mCherry, 4xHA tagged histone protein (H2B) in U2OS cells. They then showed that the HA frankenbody probe ...

  18. Hot Plasmids: FRET-Based Biosensors

    Type
    Blog Post
    ...MagFRET: The First Genetically Encoded Fluorescent Mg(2+) Sensor. PLoS One. 2013 Dec 2;8(12):e82009. doi: ... there is one problem: how to get that into the cells of interest,” Griesbeck said. Because they are chemical...understand the connection between molecular- and cellular-level events and behavior. It’s a problem that...advantage for observing events taking place inside cells that are on the move, such as T lymphocytes. Griesbeck...-binding protein, troponin C (TnC), from muscle cells. They identified a toadfish TnC variant which had...cAMP-responsive element-binding protein (CREB) in living cells. “Now we are making this really good,” Griesbeck...FRET-based sensor proteins, particularly for the intracellular imaging of transition metal ions, such as zinc...

  19. Plasmids 101: Gram Negative and Positive Bacteria

    Type
    Blog Post
    ... & Walker S. The Bacterial Cell Envelope. Cold Spring Harb Perspect Biol. 2(5) a000414 (2010). Cleveland...negative bacteria is due to differences in cell wall composition. Cell wall structure Gram positive bacteria...complex within the peptidoglycan layer, staining the cell purple. When the alcohol is added, it dehydrates...

  20. Advice for Moving Into Sales After Your Science Postdoc

    Type
    Blog Post
    ... and whether I would be able to carry out a yeast-2-hybrid library screen; instead I thought they would...would continue on with my academic dream of studying cell division. However, after 6 years in the business...Cambridge University where he studied mechanisms of cell division. Recently Seán got the entrepreneurial ...information on ELISA troubleshooting, ELISA kits and cell death assays. You can find Seán on twitter @Macfhearraigh...
Showing: 401 - 420 of 594 results