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We narrowed to 587 results for: cel.2;

Showing: 321 - 330 of 587 results

  1. Plan Your Experiment

    Type
    Collection
    ... or (2) a lack of efficient target cleavage in cells expressing both Cas9 and gRNA. Edited cells may be...expressed in your target cells. For easy-to-transfect cell types (e.g. HEK293 cells), transfection with standard... CRISPR machinery. For more difficult cells (e.g. primary cells), viral delivery of CRISPR reagents may...identify and enrich positive cells, or selection marker to generate stable cell lines (for details, see Plasmids...wide variety of mammalian cell lines Useful for difficult to transfect cell types, can also be used in...possible genotypes within the resulting cell population. Some cells may be wild type due to either (1) a ...will use the example of CRISPR/Cas9 in mammalian cells, many of these principles apply to using CRISPR ...

  2. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

    Type
    Blog Post
    ...targeted DNA demethylation. Cell Discov 2, 16009. https://doi.org/10.1038/celldisc.2016.9.   ...Hrit et al. 2018, Kaas et al. 2013). Figure 2: CRISPR TET-based epigenetic editing. In reality, ...its oxidized derivatives. Cell 152, 5 P1146-1159. https://doi.org/10.1016/j.cell.2013.02.004.  Xu X, Tao...enzymatic activity cause demethylation?  Dividing cells depend on DNA methyltransferase 1 (DNMT1) to copy...methylate sites blocked by dCas9. Within a few rounds of cell division, the original methylated strand is diluted...dCas9 expression and pLM-CMV-R-Cre. Selection for cells stably and highly expressing these constructs can...can be achieved by fluorescence-activated cell sorting, and stable gRNA expression can be achieved using...

  3. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

    Type
    Blog Post
    ...from animals or hybridomas.   Figure 2: (Left) Figure 2: (Left) The light chain and heavy chain genes... be introduced into host cells, such as bacterial, yeast, or mammalian cells, for antibody production ...Nanobodies and recombinant binders in cell biology. Journal of Cell Biology 209:633–644 . https://doi.org...animals and bleed dates and even clonal hybridoma cell lines can produce more than one mAb (Bradbury et...plasmid or from an integrated sequence in a stable cell line. The genes encode the heavy chain and light...antibody protein binds an antigen. Image from Fvasconcellos.     How are Recombinant Antibodies Made...

  4. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    ...FRET signal back again. The Ting lab constructed 2 versions of this reporter to target the K9 (pcDNA3... 525.7570 (2015): 533-537. PubMed PMID: 26352475. 2. Bygren, Lars O., et al. "Change in paternal grandmothers...genes should be ‘read’ by the cellular machinery. This is how most cells in the body contain the same ...complex of DNA and histone proteins that compacts cellular DNA into chromosomes and reduces the risk of dangerous...the more compacted it becomes. This prevents the cellular machinery from physically interacting with the...visualise changes in histone methylation in living cells. Essentially this reporter construct consists of...recognise lysine 27 methylation. When tested in living cells where methylation of these sites was controlled,...

  5. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    ...due to the presence of additional helper sequences (2-3). As alluded to above, termination and polyadenylation...and translation processes as well.   Figure 2: The conserved eukaryotic polyadenylation signal directs...Plasmids designed to express genes in a given host cell type are generally broken down into two broad categories...purpose and mechanism of polyadenylation vary across cell types, but polyadenylation generally serves to promote... thought that poly(A)s are used to control the cellular concentration of regulatory RNAs and may additionally...additionally act as a quality control mechanism to rid the cell of mis-folded RNAs. Eukaryotic termination and polyadenylation...signal by using in vitro analyses. Molecular and Cellular Biology. 1992. PMID: 1333042. PubMed Central PMCID...

  6. 7 Tips to Secure a STEAM Internship This Summer

    Type
    Blog Post
    ...and scholarships in different subject areas!    2. Resume and cover letter know-how  Tailor your resume...4. Letters of recommendation wisdom  Reach out to 2-3 individuals in your professional circle to vouch...college. Prior to March 2020, internships were a fiercely competitive endeavor. Due to the COVID-19 pandemic...

  7. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    ...The groups in these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an 8... together. If you all work at the same place, a 1-2 hour lunch on a regular schedule might work. If not...do once you are in a mentoring relationship.  Celebrate your successes and support each other as you transition...

  8. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    ... Zetsche et al., Nat Biotechnol. 2015 Feb 2;33(2):139-42. doi: 10.1038/nbt.3149. Light-inducible ...and on your favourite signalling pathways (Figure 2). They are all available now at Addgene. 1 Lungu...20;19(4):507-17. 10.1016/j.chembiol.2012.02.006. 2 Guntas et al., Proc Natl Acad Sci USA 2015 Jan 6; ...Nihongaki et al., Chemistry and Biology. 2015 Feb 19; 22(2):169-74. High efficiency cloning for enzyme screening...inducible, gene knockdown with shRNA or shRNA-miR30, (2) tamoxifen-inducible CreERT2 gene deletion, (3) simultaneous...different fluorescent proteins, 8 constitutive promoters, 2 includible promoters, 3 polyA terminators and various...of plasmids required for each input/output system; 2) removing all chemically inducible promoters; 3) improving...

  9. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    ...Central PMCID: PMC3760253. 2. Rohwer, Forest. "Global phage diversity." Cell 113.2 (2003): 141. PubMed ... digest and compare it to some reliable controls. 2. Viral stocks may be sensitive to freeze thaw cycles...contaminating your transduction with the packaging cells. Packaging cell debris can be removed either by filtration... you can reduce the volume of cell culture medium on the packaging cells immediately following transfection...efficiency in cells that are sensitive to the toxicity of polybrene (e.g., hematopoietic or primary cells), and... the packaging cells after 1–3 days of selection. A lower percentage of surviving cells may be the result...adeno-associated virus transduction of cells." American Journal of Physiology-Cell Physiology 291.2 (2006): C386...

  10. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    ...Indicators GEVIs can be divided up structurally into 2 main groups: voltage sensitive domains and Rhodopsin...depending on your experimental system.   Figure 2: General overview of chemigenetic tools. A genetically...Cellular communication and function depend on potential energy. Cellular activities like action potentials...Indicators As previously mentioned, cellular voltage is measured at the cell membrane, and this voltage is ...endocrine cells. It follows that the specific targeting of these voltage indicators needs to be cell type ...electrical events! Voltage indicators are voltmeters for cells! In this blog we will review how these indicators...related to the electrical impulse of the cardiac cells. To study this phenomenon you will likely want to...
Showing: 321 - 330 of 587 results