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Showing: 1 - 20 of 316 results
  1. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    Published
    April 10, 2018, 12:56 p.m.
    ...fusion between a reporter and a nanobody that’s encoded on a plasmid. A nanobody is a ~150 amino acid, single...protein? No worries! As more nanobodies are developed, there will be more nanobodies to turn into RANbodies....More nanobody expression plasmids can be found here Watch this video to learn more about nanobodies Additional...difficult for individual labs to complete. The nanobody based RANbody platform from the Sanes Lab overcomes...antibodies are produced in animals instead of via recombinant DNA, they can’t be genetically tagged and instead...RANbodies, Yamagata et al used previously published nanobody sequences that targeted the following antigens...and the actin-binding protein gelsolin, but any nanobody sequence could be used to make a RANbody. RANbodies...
  2. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ...moieties in their Nano-Lanterns with NLuc and called their improved creations Enhanced Nano-Lanterns. These... Enhanced Nano-Lanterns to other cellular proteins. BRET-based biosensors utilizing NanoLuc® luciferase...codon-optimized Firefly luciferase genes (e.g., luc2), and NanoLuc® Luciferase are available from the repository. ...Afterall, isn’t science better when we share? NanoLuc® Luciferase-based tools are fantastic examples ... can accelerate your research. The creation of NanoLuc® Luciferase from a rather dull 19kDa Oplophorus...fluorescent proteins to make better biosensors. NanoLuc®-fluorescent protein fusions for imaging Fluorescent...fluor through a process known as bioluminescent resonance energy transfer (BRET). The fluor then emits light...
  3. Luminescent Imaging with Nano-lanterns

    Type
    Blog Post
    Published
    May 25, 2017, 2:30 p.m.
    ... at Osaka University have developed Nano-lantern technology. Nano-lanterns contain a Renilla luciferase...different contexts. Improving Nano-lanterns In 2015, Takai et al. expanded the Nano-lantern color palette to...enhanced Nano-lanterns (eNL) described in Suzuki et al. improve the brightness of previous Nano-lanterns...appropriate for use with Nano-lantern technology. Multicolor imaging using Nano-lanterns requires a linear...separates the signals of various Nano-lanterns, but it does not isolate each Nano-lantern, so Takai et al. used...explained further in Takai et al. Nano-lanterns and ready-made Nano-lantern biosensors are available from...laboratory has assembled a collection of multicolored nano-lanterns for use in various applications, including...
  4. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...available from several sources, fewer sources of recombinant antibodies (rAbs) exist (though Addgene has a... ready-to-use rAbs and rAb plasmids!). Since recombinant antibodies conveniently allow for unlimited production...experiments. It is possible to produce your own recombinant antibodies with some molecular biology and cell... over the basics of making rAbs. Production Recombinant antibody production can take place in bacterial...produce.  The most common yeast strain used for recombinant antibody production is Komagataella phaffii (...Hamster Ovary (CHO) cells. (L'Abbé et al., 2018).  Recombinant antibodies can be produced through a single or...Harvest and purification At its core, harvesting recombinant antibodies consists of separating antibodies ...
  5. Addgene Begins Distribution of Recombinant Antibodies

    Type
    Blog Post
    Published
    March 28, 2022, 4:30 p.m.
    ...antibodies are plasmid-based and recombinant. Learn more about recombinant antibodies here. Finally, Addgene...can participate: If you make recombinant antibodies or other recombinant affinity reagents, share your...the launch of our latest community resource: Recombinant Antibodies! In addition to plasmids and viral...building our antibody resource, which includes recombinant antibodies, educational materials, protocols,... 2016). It’s also been well established that recombinant antibodies are excellent for reproducibility ...and tool users. We encourage you to share your recombinant antibodies via Addgene to maximize the reach ...Additionally, many of the hybridomas from which the recombinant antibodies are derived were tested for specificity...
  6. Plasmids 101: Secondary Nanobody Toolbox

    Type
    Blog Post
    Published
    Feb. 27, 2018, 2:04 p.m.
    ...Comparison Advantages of Nanobodies How to Use the Nanobody Toolbox Find Nanobody Plasmids Structural ...anti-mouse and -rabbit IgG secondary nanobodies toolbox. Nanobodies are like tiny antibodies which work...multi-color staining Can be expensive Nanobodies   Recombinant; do not require animal sacrifice Good ...Advantages of Nanobodies Although antibodies have been the titans of immunodetection, nanobodies may be better...they can be expressed in bacteria, making nanobodies a recombinant and renewable anti-IgG reagent. Their ... with a tagged nanobody. After this pre-incubation step, the primary antibody-nanobody mix can be added...one-step staining with nanobodies vs two-step staining with antibodies. Nanobodies also simplify multicolor...
  7. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    Published
    April 5, 2022, 1:20 p.m.
    ...has also expanded their recombinant affinity reagent tools to include nanobodies. At Addgene, we are excited...Addgene blog:  Plasmid-Based Recombinant Antibodies  Plasmids 101: Secondary Nanobody Toolbox Antibodies 101...recently announced the launch of an open-access recombinant antibody resource called NABOR (Neuroscience ...The antibodies distributed through NABOR are recombinant antibodies expressed from plasmids that have ...RNA could then be used to generate functional recombinant monoclonal antibody (R-mAb) expression plasmids...preserve and share their own collections. Why Recombinant Antibodies?  One of the benefits of using a plasmid...Multiplex immunolabeling with subclass-switched recombinant antibodies in adult rat brain. Figure from Andrews...
  8. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...llamas required. The advantages of synthetic nanobodies Nanobodies are small (12-15 kDa) single-domain proteins... antibody, HCab, and nanobody. For more information read our secondary nanobodies blog post.  A rapid...Purification RANbodies: Reporter Nanobody Fusions Plasmids 101: Secondary Nanobody Toolbox Resources on Addgene.org...Nanobodies from camelids have gotten a lot of press for being a promising approach for treatment or prophylaxis...prophylaxis of COVID-19. Researchers identified nanobodies that bind to coronavirus spike proteins (Wrapp...using plasmids to generate sybodies, synthetic nanobodies against the spike protein (Walter et al., 2020... that bind to specific antigens. In contrast, nanobodies are a single heavy domain fragment derived from...
  9. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ...mouse-model generation. Key components of Nanoblades Nanoblades are a Cas9 RNP delivery vehicle that’s based...components of Nanoblades. Image from Mangeot et al., 2019.   MLV GAG-POL polyprotein Nanoblades are formed...tropism of Nanoblades, different viral envelope protein(s) are expressed to pseudotype Nanoblades. The team...using Nanoblades? Plasmids are available from Addgene. Genome editing primary cells with Nanoblades Primary...iPSCs and BM cells after Nanoblade treatment as measured by their maintenance of pluripotency marker expression...50% Table 1: Nanoblades editing efficiencies of primary cells. Comparing Nanoblades to Existing CRISPR...in vivo gene editing. The bottom line on Nanoblades Nanoblades are tiny DNA-cutting ninjas which can stealthily...
  10. Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification

    Type
    Blog Post
    Published
    Nov. 19, 2019, 2:08 p.m.
    ...ability of its nanobody partner, so it’s important to insert AsLOV2 at a spot in the nanobody that preserves...GFP nanobodies affected binding of their target proteins. The surface-exposed loops of nanobodies seemed...about using nanobodies to control protein activity Read about RANbodies, reporter nanobody fusions Learn...the secondary nanobody toolbox for immunodetection Resources on Addgene.org Find nanobody expression plasmids...proteins, and then elute YFP.  Option #2: Opto-Nanobodies (OptoNBs) purification You skip adding a tag ...Toettcher Lab, OptoNBs are photoswitchable engineered nanobodies whose binding of their target protein is altered...have two key components: an AsLOV2 domain and a nanobody.  AsLOV2 is a light-oxygen-voltage sensing domain...
  11. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

    Type
    Blog Post
    Published
    June 27, 2018, 1:16 p.m.
    ...Marcy Patrick  Listen to the nanobody toolkit podcast segment Nanobodies are single domain antibody fragments...Zhao C, et al. RNA. 2018 PubMed PMID:29109157. Nanobody toolkit to monitor retrograde transport at the... as regular antibodies. These properties make nanobodies easier to transform and express in bacteria, ... Spiess lab developed a set of functionalized nanobodies to study retrograde transport from the cell surface... a set of plasmids each containing an anti-GFP nanobody fused with a different functional element (tyrosine...different detection methods. Since the anti-GFP nanobody is able to bind fluorescent proteins derived from... from A. victoria the functionalized nanobodies described here can be used to target any protein fused...
  12. Addgene Receives NIH BRAIN Initiative Grant to Create Open-Access Recombinant Antibody Resource

    Type
    Blog Post
    Published
    May 25, 2021, 2:29 p.m.
    ...plasmid-based recombinant monoclonal antibodies Resources on Addgene.org Find recombinant antibody plasmids... Addgene to create a much needed open-access recombinant antibody/affinity reagent resource for the neuroscience... created thousands of high-quality antibodies/nanobodies for neuroscience research and is an expert at...and data, the platform can be expanded for any recombinant antibody tool and therefore will grow to serve... the entire scientific community.     Why recombinant antibodies? Animal-based methods for antibody...cryopreservation (Bradbury & Plückthun, 2015a, b). Recombinant antibodies are plasmid-based and offer numerous...monoclonal antibodies. You can learn more about recombinant antibodies in this blog post. Hello, NABOR! ...
  13. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

    Type
    Blog Post
    Published
    May 4, 2021, 1:15 p.m.
    ...Fvasconcellos.     How are Recombinant Antibodies Made? To make recombinant antibodies, you first need...chain recombinant monoclonal antibodies as well as other forms of antibody-based (e.g., nanobodies, ScFVs..., 2015).    The Many Benefits of Recombinant Antibodies Recombinant antibodies offer numerous advantages...definition of recombinant antibodies are essential for good reproducibility. Non-recombinant antibodies ...MC, Muyldermans S, Leonhardt H (2015) Nanobodies and recombinant binders in cell biology. Journal of Cell...predict a similar revolution for antibodies. Recombinant antibody technology makes it easy for scientists...components of the scientific toolbox. What are Recombinant Antibodies? Antibodies are used by scientists...
  14. Year of the Camelid: Antibody Style

    Type
    Blog Post
    Published
    May 9, 2024, 1:15 p.m.
    ...generate the nanomouse. (VHH = variable domains of heavy chain only antibodies) (B) Nanomice express hybrid...Antibodies  Secondary Nanobody Toolbox No Llamas Required - Synthetic Nanobodies Against Membrane Proteins...single-domain antibodies (sdAb), commercially known as nanobodies (Arbabi-Ghahroudi, 2017)!      Figure... single-domain antibody, under the commercial "Nanobody" name.  We’ve talked about sdAbs a number ...alpacas). But because sdAbs are so amenable to recombinant expression (and because maintaining a llama facility...mice that express camelid variable domains (aka nanomice), which gives researchers the “best of both worlds... Jin B, Odongo S, Radwanska M, Magez S (2023) Nanobodies: A Review of Generation, Diagnostics and Therapeutics...
  15. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...160374 Nanobodies- there's a simple method for that! By Michelle Cronin The benefits of nanobodies over ...antibodies. Nanobodies are easily expressed in the cytosol of E. coli, however the nanobody proteins tend...evolution Fluorescent tools for mammalian cells Nanobody purification CRISPRi and CRISPRa system for hPSCs...protease used to cleave affinity tags from purified recombinant proteins at small and large scale.  This new ... conventional antibodies can’t be overlooked. Nanobodies are smaller in size, more durable, and usually...alleviates the inclusion body problem and makes nanobody production in E.coli as simple as following a ...signal peptide of MBP, followed by the desired nanobody (NB) sequence, an AviTAG, and 6xHis tag. The MBP...
  16. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...Variables (scFvs). Nanobodies Figure 3: Comparison of the Hcab and nanobody. Nanobodies are the variable...antibodies here. Recombinant antibodies Similar to monoclonal antibodies, recombinant antibodies are a...synthetic nanobodies, or synbodies, can be produced from plasmids, saving time and money. Nanobodies and synbodies...from naturally-occurring immunoglobulin genes, recombinant antibodies are plasmid-based. Their sequences...to reach. While a full antibody is ~150 kDa, a nanobody is 12-15 kDa.   Research applications for antibodies...Collection includes plasmids that express antibodies, nanobodies, and ScFvs, as well as tools for developing and...Developmental Studies Hybridoma Bank Learn more about nanobodies Watch our Antibodies 101 animation, What is an...
  17. Quick Guide to Near-Infrared Fluorescent Proteins

    Type
    Blog Post
    Published
    Oct. 5, 2021, 1:15 p.m.
    ...multicolor NIR imaging.  Small miRFPnano A separate class of NIR FPs, named miRFPnanos, were derived from cyanobacteriochrome...545 3.7 62 8 miRFP670nano3 645 670 129,000 18.5 387 Monomer 675 4.2 250 9 miRFP704nano 680 704 93,...to your camera.  Two-photon image of miRFP670nano3-expressing neurons in the neocortex of a living...Their advantages are their small size (17 kDa for miRFPnanos, 35 kDa for miRFPs, and 27 kDa for EGFP) and ...the proximity of the N- and C-termini. Latest miRFPnanos9 do not yield to (m)iRFPs in cellular and molecular... 97 Monomer 510 4.5 117 12 CBCR-based FPs miRFP670nano https://www.addgene.org/127443/ 645 670 95,...93,000 9.9 149 Monomer 1265 4.1 81 miRFP718nano 690 718 79,000 5.6 72 Monomer 885 3.8 33 State-of-the-art...
  18. The Breast Cancer Microenvironment: A Tumor’s Backstage Team

    Type
    Blog Post
    Published
    Jan. 31, 2019, 1:32 p.m.
    ...microenvironment’s malignancy but also incite different organs to become malignant. Exosomes also contain...on the conversion of non-malignant forms of cancer to invasive and malignant forms and noticed that myoepithelial...that when there’s less caveolin 1, there’s less malignancy because there’s less proliferation. However, ...exosomes are tools of communication and provide malignancy to the microenvironment itself. They deliver ...myoepithelial cells prevented progression to malignancy, concluding that these cells may be considered...PMC4788391. Kogure, Takayuki, et al. "Intercellular nanovesicle‐mediated microRNA transfer: A mechanism of environmental...Central PMCID: PMC3310362. Martins, Diana, and Fernando Schmitt. "Microenvironment in breast tumorigenesis...
  19. Plasmids 101: Protein Expression

    Type
    Blog Post
    Published
    June 7, 2018, 1:17 p.m.
    ...through the use of protein tags and separated from contaminants using a variety of purification methods. Deciding...expression systems are very powerful for high level recombinant protein expression. These systems enable high...cheap and low-tech means of mass expression of recombinant proteins. Many cells from various types of plants...modifications. Extraction and purification of recombinant proteins from plants however can be expensive...biochemicals and proteins through plant roots. Tagging recombinant proteins with a naturally secreted plant peptide...expression system to generate large quantities of recombinant eukaryotic proteins. Although many species of...using S. cerevisiae, researchers often place recombinant proteins under the control of the galactose inducible...
Showing: 1 - 20 of 316 results