We narrowed to 642 results for: ato
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TypeBlog Post...immunosurveillance. The presented study analysed a model of hepatocellular carcinoma, a cancer which can develop from ...self-limiting effects kick in trying to resolve the inflammatory state by inducing immunosuppressive measures...Chimeric Antigen Receptors) CAR T cells and PD-1 modulators. An exciting development in immunotherapy is ...a researcher to control immune signaling and inflammatory responses remotely with spatiotemporal precision...
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Viral Vectors 101: Types of viruses
TypeBlog Post...heterologous envelope or a post-transcriptional regulatory element can be used for either type of retrovirus...clinical settings. AAV is also a cool tool in the laboratory! It is ideal for whole animal administration,...population. Some adenoviruses are known to cause respiratory disease across species, as well as cancer in ...strains have been engineered to induce a lower inflammatory response within hosts. Relative to the other... -
Supporting Rare Disease Research with the 2020 BeHEARD Awards
TypeBlog Post...activation of keratinocytes, which release inflammatory mediators that trigger the activation of dendritic...Generalized pustular psoriasis is a chronic autoinflammatory skin disease estimated to affect 0.27 to 4.6...IL-36 cytokines are a potent inducer of an autoinflammatory loop: keratinocytes both respond to and release... -
Plasmids 101: The protein expression toolbox
TypeBlog Post...CRISPR for that, too! CRISPR activators (CRISPRa) are transcriptional activators fused to a dead Cas9. The...increase expression. There are several flavors of activators which can be used with this approach - read more...them on our CRISPRa blog! Fig. 1 CRISPR activator and repressor mechanisms Want to transiently... -
All in a Twist: dsRNA
TypeBlog Post...sword – balancing antiviral benefits with the inflammatory response associated with the introduction of...threshold and thus do not typically activate an inflammatory response. However, if dsRNA sensors are mutated...its way outside of the mitochondria, the same inflammatory response can activate. These types of cellular... disorders, including some forms of lupus and rheumatoid arthritis. These types of immune responses are... -
Plasmids 101: CcdB - The Toxic Key to Efficient Cloning
TypeBlog Post...available to counteract the toxin. If, however, an investigator were to successfully clone an insert into the...insertion will completely replace ccdB with the investigator’s insert of interest. Hence correct clones are... behind the “swapping out” of ccdB with the investigator’s gene of interest. CcdB resistant E. ...for non-cytotoxic proteins which retain their regulatory functions.” Mol Microbiol. 1995 Mar;15(6):1031... -
Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP
TypeBlog Post...used red fluorescent proteins dsRed, mCherry, and TdTomato do not induce transcription. Thus, T-DDOGs can...expression robustly activated the reporter gene TdTomato, whose expression was absent without electroporated...T-DDOGs with two mouse GFP reporter lines; again, TdTomato was seen only in cells with GFP, at a high activation...frequency of 56-93%. In the converse test, 98% of TdTomato expressing cells were GFP+, indicating a robust... -
BeHeard Award 2018: Diseases of Glycosylation, Arginine Mutagenesis, & Neural Development
TypeBlog Post... infections along with a mild or exacerbated inflammatory response which leads to nearly 25% child mortality...understood. In line with this, Prof. Videira and collaborators will use Addgene plasmids to immortalize CDG...discovery led them to investigate the use of a common laboratory chemical, guanidine hydrochloride, as a potential... 1939 for the treatment of botulism and Lambert-Eaton myasthenic syndrome (LEMS) because, at high concentrations... -
Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells
TypeBlog Post...bone marrow (BM) cells, primary human hepatocytes, and hematopoietic stem cells (HSCs) using Nanoblades....deliver Cas9 variants, such as a transcriptional activator dCas9-VPR, if these variants are fused to the ...from GFP transgenic mouse GFP ~60-65% Human hepatocytes Myd88 ~50% Human HSCs Myd88 ~50% Table... -
The Materials Science of Optogenetics Experiments
TypeBlog Post..., 50ms “off”. A pulse generator such as the A.M.P.I Master-9 Pulse Stimulator, which can control output...cable is threaded through—and fixed to—an optical insulator called a ferrule (below). The fiber optic cable...to give the animal the full range of motion, a commutator allows the patch cable to connect to the laser... -
Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)
TypeBlog Post... bank account, business cards, incorporation, laboratory lease, etc. I still flip to that page in my lab...business. We ended up applying to a business accelerator freely stating that we had an idea, knew how ...rough day, and we have great partners in this accelerator program who want us to succeed. We’re excited...duty to pursue a degree in a synthetic biology laboratory and received her M.S. from CSU in 2014. Outside... -
Twenty Years of Addgene Sharing: CRISPR
TypeBlog Post...with Addgene by year. (C) Cumulative number of laboratories that have deposited CRISPR plasmids by year....nuclease into three functional groups: nucleases, modulators, and chimeric effectors. Nucleases generate a... a classic double-stranded break, while modulators regulate transcription and chimeric efforts make a ...deposited and distributed CRISPR plasmids. But modulators and chimeric effectors, made available in 2013... -
Common Injection Routes in Mice
TypeBlog Post...common use of intradermal injections is studying inflammatory responses, as this method is useful for analyzing... correct location requires a lot of skill and anatomical knowledge. Intrathecal injections are used for...Routes of administration. In H. Hedrich (Ed.), The Laboratory Mouse. Academic Press. Turner, P. V., Brabb, ...M. A. (2011). Administration of substances to laboratory animals: routes of administration and factors... -
SciComm: Taking Science to Elementary and Middle Schools
TypeBlog Post...m a father of three, a scientist and science communicator, and I strive to be a volunteer and contribute...scientist. When our elementary school needed a new coordinator for the annual Math & Science Night, I took the...contacting our school district’s science curriculum coordinator with minimal luck, but eventually the 8th grade...great feedback from teachers and other science communicators. What can CRISPR do? I spent more time on... -
Droplet Digital PCR for AAV Quantitation
TypeBlog Post...up with poor droplet quality. Using a droplet generator, the sample and the droplet generation oil are...Pipette slowly If you are using a manual droplet generator, you will have to be careful about transferring...transferring your droplets from the droplet generator to the PCR plate. Maintaining a high droplet count is important...sample. Even if you are using an automated droplet generator, you should avoid pipetting too quickly when making... -
Tips for arabidopsis transformation
TypeBlog Post... J. (2002) Arabidopsis : a laboratory manual. Cold Spring Harbor Laboratory Press. Available at: https...insertion likely precipitated domestication of sweet potatoes (Kyndt et al., 2015)! It sounds simple, and it.... et al. (2015) ‘The genome of cultivated sweet potato contains Agrobacterium T-DNAs with expressed genes... -
Tips from the Repository Trenches: Using Barcodes to Track Samples
TypeBlog Post...is the Laboratory Operations Manager at Addgene. In addition to helping with daily laboratory operations...through barcoded tubes that are scanned into our Laboratory Information Management System (LIMS), a database...operations, she also works on improving laboratory efficiency through automation. More Resource Avaliable... -
A Career in Grants: How To Become a Grant Professional
TypeBlog Post...amount of grant funds available and the increasing regulatory process for grants has fostered the demand for...professional. Dr. Cook served as a principal investigator for several research grants. One of the benefits...benefits of being a principal investigator is that you are asked to review grant proposals from others. ...worked for a health department and then for the regulatory services department as our healthy homes program... -
Finding nucleic acids with SHERLOCK and DETECTR
TypeBlog Post...time-consuming, and complex to use outside of standard laboratories. In the case of the COVID-19 pandemic, qPCR ...platforms to reliably detect nucleic acids at the atomolar level. The Zhang lab has adapted natural RNase...reporter enables SHERLOCK to detect DNA or RNA with atomolar sensitivity and single base pair mismatch specificity... of HPV, HPV16 and HPV18, from human cells, at atomolar levels, within one hour. DETECTR thus has the ... -
What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program
TypeBlog Post...recently was invited to attend the first Principal Investigator meeting of the NSF EDGE (Enabling Discovery ...parenting strategies and make important ecological indicators since species live in water and on land. Current...that tastes yucky (and is poisonous) for bird predators - birds eat a caterpillar once, vomit, and never... expensive. They are using a cool fluorescent indicator system to rapidly identify recombinants. Arthropods... -
Hot Plasmids Spring 2024
TypeBlog Post... vector preps expressing the Voltron2 voltage indicator, created by the Schreiter Lab and the GENIE Project... available! Building on their earlier Voltron indicators (a fusion of Ace2N and HaloTag, Figure 4), they...The same A-to-D mutation in the related voltage indicator Ace2N-mNeon also led to similar improvements in...fluorescent signal at baseline voltage), the investigators found that administering these AAVs with a dilute... -
The Challenges of Cell Culture
TypeBlog Post...simple as a piece of paper on the front of the incubator containing the passage number, cell line, and ...book and on the actual flasks of cells in the incubator). This means any other scientist who wishes to...The LGC Group also provides standards and has laboratories to carry our independent quality control for...culture contamination." Archives of pathology & laboratory medicine 133.9 (2009): 1463-1467. PubMed PMID... -
Five Popular Model Organisms, Part 2
TypeBlog Post...characteristics that make them ideal for studying in a laboratory environment. We’ve covered five model organisms...have been specifically developed to thrive in laboratory settings. One of its most attractive features...characterized genome, and is easily maintained in a laboratory environment. What sets Arabidopsis apart from.... The Norway rat, from an obnoxious pest to a laboratory pet. ELife, 9. https://doi.org/10.7554/elife.50651... -
SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas
TypeBlog Post... 37°C heat block, LED blue light illuminator or UV light illuminator. Approach: Highly similar to the ...method based on CRISPR-Cas12. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2020.02.29.971127 Rauch...SARS-CoV-2 Genetic Material. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2020.04.20.052159 Zhang... -
Cell Migration Consortium Plasmids
TypeCollection...Cell Migration Consortium and Addgene. Member laboratories of the Cell Migration Consortium have deposited...for cell migration research at Addgene. CMC investigators who have deposited plasmids include: Joan Brugge... -
CRISPR 101: Multiplex Expression of gRNAs
TypeBlog Post...transcriptional repressor), and dCas9-VP64 (transcriptional activator)-containing plasmids. Each destination vector ...one. This approach is especially useful for combinatorial analyses. For example, if you were to develop...A versatile modular vector system for rapid combinatorial mammalian genetics.” Journal of Clinical Investigation...Cress, Brady F., et al. “CRISPathBrick: Modular Combinatorial Assembly of Type II-A CRISPR Arrays for dCas9... -
Impact of Genomic Variation on Function (IGVF) Consortium Collection
TypeCollection... plasmid tools generated by IGVF Consortium investigators to examine how genomic variation affects genome...collaborative program that brings together teams of investigators who will use state-of-the-art experimental and... -
Depositor Collections
TypeCollection...Collection Screening Multiplexed Overexpression of Regulatory Factors (MORF) Collection Synthetic Biology Voigt... Repressor Plasmids Sigma (σ) Factor Plasmids Terminator Plasmids Viral Vectors pLEG/pREG Modular Viral... -
New Viral Vectors - Summer 2024
TypeBlog Post...pAAV-Ef1a-fDIO-ChrimsonR-tdTomato AAV9 Controls Jensen New serotype pAAV-CAG-2xNLS-tdTomato-WPRE-hGHpolyA AAV9...multiple serotypes pAAV-CAG-FLEX-rc [Jaws-KGC-tdTomato-ER2] AAV5, AAV8 Optogenetics Boyden New serotypes... -
Cancer Research Plasmids and Resources
TypeCollection...and Libraries for Cancer Research Broad Target Accelerator Plasmids: Collection of vectors from the Boehm...mutant alleles described in the initial Target Accelerator publications, focused on somatic variants found...