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We narrowed to 872 results for: cel

Showing: 491 - 500 of 872 results
  1. Evolution of Lab Techniques

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    Blog Post
    ...Neuroscience at Harvard University. Just as computers, cell phones, and cars become more technologically advanced...gene mutation is the genetic test used for sickle cell anemia (2). Southern blotting, in conjunction with... of the mutated β globin gene that causes sickle cell anemia. The mutation happens to destroy a sequence...conducted on a sample from an individual without sickle cell anemia, two DNA fragments are observed because the... site where MstII cuts. In a patient with sickle cell anemia the enzyme does not cut the DNA so only one...Wai Kan. "A sensitive new prenatal test for sickle-cell anemia." New England Journal of Medicine 307.1 (...transgenic constructs and mice." Current Protocols in Cell Biology (2009): 19-10. PubMed PMID: 19283728. PubMed...
  2. Supporting Rare Disease Research with BeHeard 2017

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    Blog Post
    ...partners in mouse cell lines. Dr. Di Schiavi hopes that these studies will accelerate the development of...learn how plasmids from Addgene will be used to accelerate rare disease research and provide hope to patients...plasmids to upregulate their expression in specific cells. With a more concrete understanding of the molecular... of ~30 patient derived peritoneal mesothelioma cells lines and assess their tumorigenesis. These experiments...effects on the disease. This work will hopefully accelerate the development of targeted therapy for peritoneal...
  3. Plasmids 101: Dimers and Multimers

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    Blog Post
    ...at lower copy numbers within bacterial cells, and bacterial cells with multimers grow more slowly compared...stable and more prone to being lost in bacterial cells compared to monomers, although this can be prevented...increase the frequency of base substitution in human cells. J Biol Chem. 2011 Mar 25;286(12):10017-26. doi:...plasmids leading to the formation of plasmid multimers. Cell. 1976 Dec;9(4 PT 2):707-16. doi: 10.1016/0092-8674...supercoiled plasmid DNA concatemers in mammalian cells. J Gene Med. 2009 May;11(5):444-53. doi: 10.1002...essential for plasmid monomerization and stability. Cell. 1984 Apr;36(4):1097-103. doi: 10.1016/0092-8674...
  4. CRISPR 101: Off-Target Effects

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    Blog Post
    ...millions of cells. For every individual sgRNA, you recover a minimum of 1,000 targeted cells to sequence...trying to generate a knockout cell line, with the goal of isolating single cell clones to use for multiple...generate a ssDNA break which can easily be repaired by cells with a near zero likelihood of mutation arising.... a level of, say 5%, then the majority of single cell editing events will be on target. Thus, if you isolate...example, if your goal is to generate a knock-out cell line to perform downstream characterization of, ...
  5. K. phaffii: Rising to the Occasion

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    Blog Post
    ...path.   Yeast as a model organism Yeast are single cell, eukaryotic organisms formally classified as fungi...and S. cerevisiae (budding). Yeast make for an excellent model organism for a few reasons: Affordable...similarity to the ancient yeast strains and metazoan cells.   Applications for K. phaffii There’s a number ...protein bang for your media buck - it grows at higher cell densities than most of its counterparts, yielding...oxidative reactions. They are found in all eukaryotic cells and peroxisomes are where methanol metabolism occurs...in methylotrophic organisms. K. phaffii is an excellent model for peroxisome studies since their peroxisomes...
  6. DAP arrays for multiplex gene editing

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    Blog Post
    ...different types of human cells, including T cells and hematopoietic stem and progenitor cells. Now with the DAP...to enable multiplex gene editing in a variety of cells and organisms. However, lengthy genetic payloads... over 50% averaging editing efficiency in human cells. MBE with DAP array also exhibited reduced Cas9-... editing, and nuclease editing, in virtually any cell type or organisms of interest with only minimal ...
  7. Scientists Map the SARS-CoV-2-Human Interaction Network

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    Blog Post
    ... used HEK293T cells in our first study, but we're planning to soon expand to other cell types, including...26 of the 29 SARS-CoV-2 viral proteins in human cells and used these viral “bait” proteins to fish for...human proteins that the virus interacts with in cells. Because viruses rely on the help of human proteins...monkeywrench into the virus’ hijacking of human cells. Even better, more than half the drugs hitting these...they have an IRES-Puro marker to facilitate stable cell clone selection. Expression is driven by a fairly...
  8. R Bodies: Membrane-Rupturing Microscopic Tools

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    Blog Post
    ... can rupture E. coli spheroplasts (cells which have had their cell walls removed with lysozyme). This ...protein fusions allowed us to image R bodies inside cells, and these constructs may be useful to future scientists...applications. For example, you could use them to lyse cells (and surrounding membranes) in keeping with their...penetrate other barriers (like vasculature or extracellular matrices) in response to pH changes. Beyond...assemble and function, we might be able to endow cells with new ways to interact mechanically with their...
  9. Screening for Successful Genome Editing with Digital PCR

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    Blog Post
    ...to quantify rates of mutation in a bulk or single cell-derived genomic DNA sample as part of a precision... successfully analyzed gDNA from a few thousand cells from single wells of a 96-well plate without prior... that they are easily able to distinguish single-cell derived samples with mono-allelic mutations versus...Isolation of single-base genome-edited human iPS cells without antibiotic selection. Nat Meth 11, 291–293... and Highly Specific Screening of Genome Edited Cells. PLoS ONE 11, e0153901–17 (2016). PubMed PMID: 27089539...mutagenesis induced by CRISPR-Cas nucleases in human cells. Nature Biotechnology 31, 822–826 (2013). PubMed...
  10. Viral Vectors 101: Viral Vector Elements

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    Blog Post
    ...genetic cargo, typically an expression construct, to cells/organisms. This is often cDNA, shRNA, or something...perform very similar functions to infiltrate the host cell and deposit viral cargo. Gene expression While AAV...what will be delivered and expressed in the host cell from the transfer plasmid. Viral packaging and entry...altered tropism of AAV to target different tissue or cell types. AAV also requires some back up from adenovirus...promoter that you wish to deliver to your target cells. In adenovirus, the ITRs serve as a type of origin...deficient. This is typically supplied by the production cell line (HEK-293) during production. Fun fact: There...
Showing: 491 - 500 of 872 results