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We narrowed to 594 results for: cel.2

Showing: 561 - 580 of 594 results

  1. Plasmids 101: Biotinylation

    Type
    Blog Post
    ...Nutr, 129 (2009a): 477–484. PubMed PMID: 10064313. 2. Chapman-Smith, A., & Cronan, J. E. “The enzymatic...carboxyl groups to organic acids to produce important cellular metabolites. Biotin acts as a carboxyl carrier...chemically. Enzymatic biotinylation occurs naturally in cells and is the process by which biotin is covalently... Immunosorbent Assay) Southern/Northern blotting Cell surface labelling Attaching polypeptides to a substrate...substrate Flow cytometry/fluorescence-activated cell sorting (FACS) In situ hybridization Methods for...proteins in bacteria, yeast, insect and mammalian cells. Check out Kay et al., 2009 for methods on biotinylating...Application of avidin-biotin technology to improve cell adhesion on nanofibrous matrices.” Journal of Nanobiotechnology...

  2. Handling Plasmids from Addgene - Purifying Plasmid DNA

    Type
    Protocol
    ... glacial acetic acid 57 mL of dH 2 O Store Solution III at 4°C Grow 2 mL overnight cultures from single...Resuspension buffer Denaturing solution Renaturing solution 2 mg/mL RNase A TE or water-saturated phenol-chloroform...100 μL of cold Solution I. Vortex the solution for 2 min or until all bacteria are fully resuspended. Add...pipetting or carefully pouring. Optional: Add 5 μL of 2 mg/mL RNase A to the supernatant in the new tube and... to the recovered aqueous DNA layer. Repeat steps 2-4. Note: Phenol-chloroform is a hazardous waste - ...: Ethanol Precipitation To your DNA solution, add 2-2.5 volumes 95% or 100% ethanol and 1/10 volume of...min at 12,000 g. Notes: Pellet contains proteins, cell fragments, salt and other extra particles from solutions...

  3. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    ...of concept for further development. Figure 2: Mechanisms of deaminase-based adenine transversion...base editing. Molecular Cell, 84(7), 1257-1270.e6. https://doi.org/10.1016/j.molcel.2024.01.021 Tong, H.,... edit A → Y (Y = T or C) in 67.17% of screening cells (Tong, Wang, et al., 2023). Based on this promising...the base editor. Black arrows indicate natural cellular processes. Created with BioRender.com. The...Cas9 nicks the non-edited strand to encourage the cell to repair the DNA using the edited strand as a template... efficient A•T-to-C•G base editing in mammalian cells and embryos. Nature Biotechnology, 42(4), 638–650...efficient T-to-G and C-to-G editing in mammalian cells. Nature Biotechnology, 42(10), 1538–1547. https:...

  4. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    ...two visible blue or magenta chromoproteins (Figure 2) (Liljeruhm et al., 2018). This system is a nice confirmation... that converts sucrose into a toxic metabolite. Cells that have undergone a double crossover will not ...contain sacB, allowing them to grow on sucrose. Cells that have only gone through the single cross over...Giacalone et al., 2006). The Chen lab demonstrated excellent counter-selection which enabled very efficient...desired deletion directly into cut vector with excellent efficiency using a commercial isothermal assembly... from Harvard. Jake received his MD and a PhD in Cell and Molecular Biology from the University of Pennsylvania...

  5. A Control for All Seasons

    Type
    Blog Post
    ...as the protocol remains the same.    Figure 2: Microscopy-based antibody experiments should include...to detect dead or dying cells so that you can base your analysis on living cells only (for example, propidium...This tends to be most problematic when staining cells or tissues that are the same species as your primary...propidium iodide only stains dead cells). Compensation controls address the spectral overlap that occurs...Quantitative Fluorescence Microscopy.” Journal of Cell Biology, vol. 185, no. 7, Rockefeller University...

  6. Thoughts on the Future of Research 2015 Boston Symposium

    Type
    Blog Post
    ...Postdoctoral Associations around Boston - From Panel Session 2: Defining the Postdoc: An Institutional Perspective... can treat the underrepresented individuals too nicely. When the work of the underrepresented individual...

  7. Adenovirus Guide

    Type
    Guide
    ...use of pAdEasy-2 (Addgene #16401) can increase the capacity of the rAdV vector. pAdEasy-2 does not contain...gene and cell-based therapies in the new era of personalized medicine . Genes & Diseases, 4 (2), 43–63.... incorporate additional genomic deletions. Figure 2: First-generation rAdV vectors. Created with BioRender.com...and have to be handled at biosafety level two (BSL-2). They are highly immunogenic and can trigger a strong...adenoviruses using the AdEasy system . Nature Protocols, 2 (5), 1236–1247. https://doi.org/10.1038/nprot.2007.135...Adenoviral vector vaccine platforms in the SARS-CoV-2 pandemic . NPJ Vaccines, 6 (1), 97. https://doi.org...backbone plasmid that lacks E1 and E3. pAdEasy-2 Adenoviral backbone plasmid that lacks E1, E3, and E4. Useful...

  8. Optogenetics Guide

    Type
    Guide
    ...nonspecific cation influx into the cell when stimulated. Channelrhodopsin-2 (ChR2), the first widely adopted... (Phy) interaction 660 Cryptochromes Cryptochrome 2 and CIB1 Blue-light–mediated induction of protein ...interactions based on Arabidopsis thaliana cryptochrome 2 and CIB1 450 LARIAT Inhibits protein function by reversibly...customizable TALE DNA-binding domain with cryptochrome 2 protein and its interacting partner CIB1 to control...transcription effectors OPTOSTIM PHR domain2 of cryptochrome 2 (Cry2) from Arabidopsis thaliana is fused to truncated... with single-spike temporal resolution. PLoS One. 2(3):e299. PMID 17375185 Kim B, Lin MZ. 2013. Optobiology...comparative analysis of microbial opsins. Nat Methods. 9(2):159-72. PMID 22179551 Saunders A, Johnson CA, Sabatini...

  9. Modular Cloning Guide

    Type
    Guide
    ...assembled into a Level 2 vector, forming a functional genetic circuit. Level 2 vectors are often designed...of three sets of cloning vectors (Level 0, 1, and 2) which can be used in successive assembly steps. Before... iterations of assembly. Combining multiple Level 2 vectors permits the creation of even more complex ... 16 RBS strength variants, 8 tag-compatible RBSs, 2 secretion tags, 6 CDSs, 9 terminators, 4 nonfunctional...of multigene constructs. PLoS One . 2011 Feb 18;6(2):e16765. doi: 10.1371/journal.pone.0016765. PMID: ...assembly of cellular circuits using Golden Gate-based cloning methods for use in mammalian cells. These can...MoClo Yeast Toolkit (YTK) to optimize secretion and cell surface display of proteins of interest. Yeast Secrete...

  10. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    ... Methods 2009; 6, 343-345. PubMed PMID: 19363495. 2. Wang JW, Wang A, Li K, Wang B, Jin S, Reiser M, Lockey...is immediately ready to transform into competent cells. The master mix of enzymes can be purchased from...mix for 1 hour, and then transform into competent cells. The success rate of this reaction is typically ...

  11. Hot Plasmids: Summer 2024

    Type
    Blog Post
    ... from damage (Abe & Lim, 2024).    Figure 2: A) When proteins (blue) interact with the air-water...epigenome editing. Cell, 184(9), 2503–2519.e17. doi: https://doi.org/10.1016/j.cell.2021.03.025.    Recombinant...tissue is identifying the cells you are studying. Antibodies can help reveal cellular identities by targeting...particles (eVLPs) offers an option to transduce cells directly with ribonucleoprotein cargo. eVLPs contain... will only be transiently present in transduced cells, limiting off-target editing. Cargo size limits ...01133-w Pandey, S., Gao, X. D., Krasnow, N. A., McElroy, A., Tao, Y. A., Duby, J. E., Steinbeck, B. J.,...site-specific integration of large genes in mammalian cells via continuously evolved recombinases and prime ...

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

    Type
    Blog Post
    ...improvement in muscle physiological performance.  2. Trans-splicing Overview: For trans-plicing, splice...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...Using AAV Donor Vectors. Cell Reports 20:750–756 . https://doi.org/10.1016/j.celrep.2017.06.064  Carvalho... 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...

  13. Chemogenetics Guide

    Type
    Guide
    ...muscarinic receptor and has not been used in vivo. Figure 2: DREADDs, their ligands, and signaling properties.... Reference Rq(R165L) Human M3 muscarinic Arrestin-2/-3 CNO* Increase Arrestin translocation Arrestin signalling...hM1Dq hM5Dq Human M3 muscarinic G αq CNO* Increase Ca 2+ Neuronal burst firing Armbruster et al., 2007 rM3D...channels, their effect, and outcome in neurons. Table 2: Descriptions of PSAMs and their activity in neurons...FRET-modified bioluminescence. Neurophotonics 11 (2), 021005. https://doi.org/10.1117/1.NPh.11.2.021005...improved coupling efficiencies. Neurophotonics, 11 (2), 024208. https://doi.org/10.1117/1.NPh.11.2.024208...targeted to specific tissues, cell types or even subcellular regions of a neuron. Cell-specific expression of...

  14. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    ...signal separately for each target.   Figure 2: Examples of simultaneous multiplex IF labeling of...immunocytochemistry (ICC) when the sample is cultured cells or immunohistochemistry (IHC) with tissues), where...know if they co-localize at the same place in the cell? Or you know that the presence of several biomarkers...tissue sections, methanol- or paraformaldehyde-fixed cell samples, or other preparations. Sequential IF For...hippocampus, or counting the number of puncta in each cell. When making figures for a paper or presentation...approach for deep phenotyping and spatial analysis of cells in complex tissues. Proceedings of the National ...

  16. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    ...Single-chain variable fragment (ScFv) Figure 2: Comparison between the IgG antibody and scFv. ...on or in these cells: antibodies can bind to proteins on the cell surface, or the cell membrane can be...antibodies are produced by B cells. They bind to proteins on the surface of extracellular pathogens such as parasites...fusing B cells that have been extracted from animals injected with protein antigen to myeloma cells. The ... measurement of protein expression in cell lysates, whole cells, or tissue samples. Many experiments that...heterogeneous mixture - for example, cell lysate or media from cultured cells. ELISA can be used to quantitatively...same cell simultaneously as well as compare between samples. Learn more about flow cytometry. Cell and ...

  17. Lentiviral Vector Guide

    Type
    Guide
    ...intact. First-generation plasmids include (Figure 2): Transfer plasmid — contains transgene and wild-type...envelope removed Envelope plasmid — contains env Figure 2: First-generation lentiviral plasmids. Created with...plasmid 1 — contains gag and pol Packaging plasmid 2 — contains rev Envelope plasmid — contains env Third-generation...The inside out of lentiviral vectors. Viruses , 3 (2), 132–159. https://doi.org/10.3390/v3020132 PMID: ...Infectivity and Integration Targeting. PLoS ONE , 2 (12), e1340. https://doi.org/10.1371/journal.pone.0001340...features of lentiviral vectors. Human Gene Therapy , 24 (2), 132–142. https://doi.org/10.1089/hum.2012.229 PMID...production cell line, typically human embryonic kidney 293T (HEK293T) cells. Standard HEK293T cells are sufficient...

  18. CRISPR Guide

    Type
    Guide
    ...Haploid Embryonic Stem Cells Carrying a Guide RNA Library. Cell Stem Cell . 17 (2), 221–232. PMID: 26165924...mutant cell must be validated experimentally. Browse Plasmids: Double-Strand Break (Cut) Figure 2: Overview...used to transduce your experimental cell population (Figure 8E). In a 2-vector system, you’ll need to either...of CRISPR-Cas9 with Bacteriophage Proteins. Cell , 168 (1–2), 150-158.e10. PMID: 28041849 Sakuma, T., Nishikawa... regulation of transcription in eukaryotes. Cell . 154 (2), 442–451. PMID: 23849981 Gilbert, L. A., Horlbeck...Transcriptional Programs with CRISPR RNA Scaffolds. Cell . 160 (1–2), 339–350. PMID: 25533786 Cas9 alternatives...single RNA-Guided endonuclease of a Class 2 CRISPR-CAS system. Cell , 163 (3), 759–771. PMID: 26422227 Zetsche...

  19. Adeno-associated virus (AAV) Guide

    Type
    Guide
    ...capsids from serotypes 1, 2, and 5 display differential efficiency and cell tropism after delivery to ...packaging and producer cell lines for the production of AAV vectors . Microorganisms, 12 (2), 384. https://doi.org...components, see the AAV Plasmid Elements table . Figure 2: Plasmids required for rAAV vector production. Created...the central nervous system . Molecular Therapy, 10 (2), 302–317. https://doi.org/10.1016/j.ymthe.2004.05.024...retrograde access to projection neurons . Neuron, 92 (2), 372–382. https://doi.org/10.1016/j.neuron.2016.09.021...based on other human cell lines, such as HeLa and A549 cells, and even insect Sf9 cells , have also been ...able to infect cells and replicate autonomously. Human embryonic kidney 293T (HEK293T) cells are the most...

  20. Plan Your Experiment

    Type
    Guide
    ...your target cells. There are a variety of ways to deliver and express these components (Figure 2), and the...optimal system will likely depend on your cell type. Figure 2: Different delivery systems utilized for ...and/or Cas9 expression or (2) a lack of efficient target cleavage in cells that do express both Cas9 and...CRISPR-Based genome editing. Trends in Biotechnology , 36 (2), 173–185. https://doi.org/10.1016/j.tibtech.2017.11.006...difficult-to-transfect cells. You can direct expression to specific cell types by using cell-specific promoters...human embryonic kidney 293 (HEK293) cells. For more difficult cell types, you may need to look into other...are good choices for more difficult cell types like primary cells. For CRISPR delivery, lentiviral and...
Showing: 561 - 580 of 594 results