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We narrowed to 485 results for: cel.2;

Showing: 401 - 420 of 485 results

  1. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...perceived climate change risks. Nature Climate Change, 2(10), 732-735. doi:10.1038/nclimate1547 Kunda, Z. (...spend the afternoon lovingly tending to the stem cells I was using in an experiment, then spend the evening...

  2. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    Published
    July 22, 2014, 5:46 p.m.
    ...and open a new conversation about GMOs.  Challenge #2: Technical obstacles to plant synthetic biology In...challenging to engineer a specific function in these multicellular organisms. However, the rewards are great if...

  3. Plasmids 101: The protein expression toolbox

    Type
    Blog Post
    Published
    Feb. 16, 2023, 7:05 p.m.
    ... the transcriptional level.     Fig. 2 Tetracycline on/off promoters and modes of action ...force to control protein expression in mammalian cells: easy to use biological tools are abundant! In this...tag prior to introduction of the construct into cells. However, if you would like tunable control of an...

  4. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    Published
    Aug. 5, 2021, 12:15 p.m.
    ...processes that happen inside the cell,” says Pedre Pérez. Figure 2: Micrographs of the biosensor ...sensitive GFP2 (roGFP2)-based biosensors for live cells. His work focuses on the enzyme hydropersulfide-...biosensor expressed in the human cell line, Hep3B. From left to right: Mitotracker Red, GFP for the biosensor,...studies opioid use disorder. Her goal is to identify cell populations in the brain that contribute to the ...will explore the connectivity patterns of these cells and the functional contribution to a variety of ...administration and withdrawal to explore how these cells may encode the negative affect associated with drug...library of mutant sensors expressed in a mammalian cell line engineered to be electrically excitable. The...

  5. RNA Extraction Without A Kit

    Type
    Blog Post
    Published
    March 24, 2020, 1:15 p.m.
    ...156–159. https://doi.org/10.1016/0003-2697(87)90021-2 Chomczynski P, Sacchi N (2006) The single-step method...are commonly found in cells, and without something to block RNase activity upon cell lysis, RNA is degraded...RNases such as RNaseZAP. When harvesting tissues, cells, plants, fungi, or bacteria, keep samples cold and...before RNases had a chance to break down RNA upon cell lysis.  In the late 1970’s, Chirgwin and colleagues...keeping your samples cold until homogenization and cell lysis. This can be challenging depending on your...developed ways to “stabilize” RNA within tissues before cell lysis. These products, namely RNAlater®  from Thermo...solutions that work by inhibiting RNase activity within cells or tissues- they don’t actually chemically stabilize...

  6. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ...Antibody Fragments. Antibodies (Basel). 2019 Apr 9;8(2):28. doi: 10.3390/antib8020028. PMID: 31544834; PMCID...in transfected eukaryotic cells, allowing for them to be used as intracellular inhibitors.  Aptamers are...the kids say) affinity reagents deserved to be celebrated, there are many other amazing affinity reagents...small enough to be expressed in bacterial and other cell systems. Since the majority of these alternative...the constant region. Nonspecific binding, caused cell receptors for the constant region, is also reduced..., peptides, amino acids, drugs, metal ions, and cells. They can be used either with or as fluorophores... may sound. Validated antibodies are still an excellent option for many applications, and frankly, if ...

  7. Addgene: The First Twenty Years

    Type
    Blog Post
    Published
    Dec. 19, 2024, 2:15 p.m.
    ...beginning Let’s take a quick flash back to 2004. “Shrek 2” was the most popular movie in theaters, the Razr ...amazing years in front of us. So in our last celebratory moment, we wanted to walk through some of our...Facebook and Gmail, were launched. And Melina Fan, a cell biology graduate student, was frustrated by the ...to receive the Massachusetts Nonprofit Network Excellence Award for our electronic MTA system. We also ...now our Sr. Director of Production) pie-fully celebrating Addgene's 10 year anniversary.   Expanding...

  8. Hot Plasmids - October 2020

    Type
    Blog Post
    Published
    Oct. 13, 2020, 1:15 p.m.
    ...localizations. Figure 2: Split-wrmScarlet labeling proteins with different subcellular locations. Image from...determine cell cycle length by examining the ratio of blue to red cells. Cells undergoing rapid cell cycles...engineered C. elegans cell lines to express wrmScarlet1-10 unattached to any other cellular protein. They used...’s difficult to observe the cell cycle in vivo, particularly if the cells are migratory or in deep tissues... BaF3 cells were transduced with H2B-FT virus and grown in varying concentrations of IL-3. Cells grown...proportion of blue fluorescence, indicating cell proliferation. BaF3 cells maintained in media without IL-3 show...H2B-FT consistently predicted the cell cycle speed across these different cell types. In one example, H2B-FT...

  9. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    Published
    Sept. 24, 2015, 2:30 p.m.
    ... already have an end product in mind, steps 1 and 2 will generally be straightforward. Likewise for step...Calcium phosphate Cells Transformed cell lines Transformed cell lines Transformed cell lines Cargo Nucleic...identify and enrich positive cells or a selection marker to generate stable cell lines. Transient or stable...and enrich positive cells. Likely contains a selection marker to generate stable cell lines. Packaging and...wide variety of mammalian cell lines. Useful for difficult to transfect cell types and can be used in ...protein are degraded within the cell.   Delivery methods for mammalian cell lines As mentioned above, the...components into your target cells. Delivery of these components into mammalian cell lines is quite broad and...

  10. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ... tabular HTML formatted output. Surprisingly only 2 tools provide FASTA output. A few notable tools allow...Nature biotechnology(2014). PubMed PMID: 24880488. 2. Hsu, Patrick D., et al. "DNA targeting specificity...the research community. I’ve likened it to the celebration surrounding the piñata. From the perspective ...

  11. CRISPR in the Clinic

    Type
    Blog Post
    Published
    Nov. 2, 2023, 1:15 p.m.
    ... Cure for HIV/AIDS. Int J Mol Sci. 2023 Jan 13;24(2):1563. doi: 10.3390/ijms24021563 Resources on Addgene.org...Cas9 in Intestinal Stem Cell Organoids of Cystic Fibrosis Patients." Cell Stem Cell. 13, 653-658 (2013). ...patient’s own cells that have been modified ex vivo, previously edited healthy donor cells can be delivered...Genetic Disease in Mouse Via Use of CRISPR/Cas9." Cell Stem Cell. 13, 659-662 (2013). Gerald Schwank et al. ...on editing animal models of disease and cultured cells. For example, in 2013, Jinsong Li and colleagues...applied CRISPR to disease correction in adult stem cells isolated from two patients with cystic fibrosis ...delivery directly to the patient. Patient-derived cells can alternatively be harvested, edited ex vivo, ...

  12. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    ...C-terminus of human codon-optimized  cryptochrome 2 (CRY2) from Arabidopsis thaliana. When exposed to ...illumination of neighboring cells evokes action potentials (APs) in patched cells expressing wild type CoChR...techniques for live-cell imaging of the dynamic changes in biochemical activity within the cell. Their Fluorescence...distribution of clusters without accumulation in subcellular compartments such as nuclear speckles. Furthermore...OptoSTIM1), caused two-fold faster changes in intracellular Ca2+ levels than the original version containing...CRY2clust should prove a useful tool to further probe cellular function. The CRY2clust Plasmid can be found here...28646204. soCoChR: A novel opsin that enables single-cell optogenetics Article contributed by Meghan Rego ...

  13. Split-BioID: An Improved Method for Studying Protein-Protein Interactions

    Type
    Blog Post
    Published
    May 1, 2018, 1:57 p.m.
    ...dimerization-dependent protein interactions. FEBS letters, 591 2, 415-424. PubMed PMID: 28032891. This is a different... expressed in cells via plasmids or by the creation of stable cell lines and these cells are then grown... complex. Not performed in a native cell context. For AP-MS, cells are lysed before the bait protein is...and interacting proteins in mammalian cells. The Journal of cell biology. PubMed PMID: 22412018. PubMed...against PPIs that aren't stable outside the native cell context. The Split-BioID method Enter Split-BioID...tagging of proteins in both BioID or Split-BioID, cells are lysed, protein extracted, and labeled protein...proteins that interact with the bait in a native cell contact. Other PPI methods may require protein interactions...

  16. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    Published
    Aug. 20, 2019, 12:31 p.m.
    ...main decisions to make: 1. Which modification? and 2. Which viral vector should be used? Modifying gene...Different AAV serotypes have preferences for specific cell types. For example, AAV1 and AAV9 serotypes have...most cases with VSV-G that generally mediates broad cell tropism and has a high percentage of neuronal targeting...

  17. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    Published
    Aug. 30, 2016, 2:30 p.m.
    ...Components." Cell (2016). PubMed PMID: 27160350. Find Plasmids from the publication at Addgene 2. Green, ...circuits to be deployed out of the laboratory in a cell-free and biosafe format that was stable for up to...possible and submitted our manuscript to the journal Cell just six weeks later. The Zika publication timeline...of Toronto. His research is focused on developing cell-free synthetic biology applications for human health...de-novo-designed regulators of gene expression." Cell 159.4 (2014): 925-939. PubMed PMID: 25417166. PubMed...Keith, et al. "Paper-based synthetic gene networks." Cell 159.4 (2014): 940-954. PubMed PMID: 25417167. PubMed...

  18. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...unc- 119 + selection." MicroPublication 1 (2018): 2–3. Wang, Han, et al. "cGAL, a temperature-robust GAL4...currently doing this using two approaches: single-cell RNA-sequencing to identify neuronal class and deep...WDDD aims to acquire quantitative data on all the cell divisions of the C. elegans embryo when all essential...Wang et al., 2018).” With the split system, only cells that have both halves of cGAL can drive expression...

  19. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    Published
    Dec. 1, 2015, 3:30 p.m.
    ...systems to defend against both DNA and RNA viruses - 2 cas systems regulate at the DNA level and 1 at the...origin of cellular life. His lab has long hypothesized that life started with RNA and a simple cell membrane... circular RNA they have identified resulted in a cell migration defect. They have created a circRNA website...

  20. Addgene's Cancer Collection Pages Connect the Research Community

    Type
    Blog Post
    Published
    Sept. 6, 2016, 2:30 p.m.
    ...: PMC4353587. 2. Stephen, Andrew G., et al. "Dragging ras back in the ring." Cancer cell 25.3 (2014): ...molecular level, at the cellular level there is a universal theme - uncontrolled cellular proliferation. We ...cancerous cells Luckily, there are several safety mechanisms in place to protect us from rogue cells when ...process of programmed cell death, or apoptosis, is one such mechanism. When a cell or its genetic material... directly inhibit the ability of a cell to undergo programmed cell death while simultaneously stimulating...eliminate every cancerous cell. Even so, to pose the greatest threat, cancerous cells still need to successfully...universally-dividing behavior of cancer cells, attacking the cellular machinery necessary for division. This...
Showing: 401 - 420 of 485 results