We narrowed to 859 results for: STI

... A, et al., ‘Point-of-care testing for COVID-19 using SHERLOCK diagnostics.’ medRxiv 2020 May 8. Pubmed...based on the architecture of the CRISPR protein in question: C2c1, C2c2 and C2c3 (short for Class 2, candidate...opens up the possibility of using Cas13a as a diagnostic tool, as discussed below. Subscribe to CRISPR... Cas13a   Figure 1: Using Cas13a as a diagnostic tool. A pool of DNA or RNA nucleotides containing...specifically targeted RNAs. Finally (and perhaps most interesting), Cas13a’s propensity to cleave any RNAs after...efficiency but no significant off-target effects, a distinct contrast to the hundreds of observed shRNA off-targets...Addgene. 2. East-Seletsky, Alexandra, et al. "Two distinct RNase activities of CRISPR-C2c2 enable guide-RNA...

...in a range of biological studies, including investigations into environmental pollutants and health, embryo...developmental biology that arose from zebrafish-based investigations. Genetic resources for zebrafish A common ...about the genome are powerful resources for investigating any biological process. High quality genome ...screens produced ~1,500 zebrafish mutants that are still used in labs across the globe (Nüsslein-Volhard ...initiation or splicing. (RNAi, in contrast, engages existing gene regulatory mechanisms to block activity and...are particularly well-suited for neuroscience investigations. For example, neuronal activity can be tracked... best model organism depends on the biological question, and zebrafish are not ideal for every application...

...that uses this waste as plastic lumber for things like truck bumpers, plastic adirondack chairs, and synthetic...encourage companies to obtain these labels! Reusing plastic Historically, scientists washed and reused materials... popular theme in life sciences, some of these plastics are high grade and can be washed and reused. This...tips cost in half, not to mention the amount of plastic you’ve saved. Repurposing regulated medical waste...collect in those red biohazard bags, typically is destined for a landfill. However, Triumvirate Environmental...use this material to produce various grades of plastic lumber and distribute it to industrial and residential...

...our in-stock viral preps: ddPCR, purity testing, sterility testing, and viral genomic sequencing to confirm...serotypes.   Figure 1: The process of requesting and ordering a Packaged on Request viral vector...The ordering process is split into two steps, requesting and ordering. This split allows us to provide...standards for both our depositors and requestors.  Requesting Plasmids available for Packaged on Request consideration...that Addgene cannot perform functional or in vivo testing. We recommend you check the original paper of your...order.  Timeline Once your order is placed, we estimate it will take 6-8 weeks for the service to be fulfilled...

...actual response takes 3 days and still doesn’t even answer your question. Does this sound familiar? Well...houses answers to all of your most commonly asked questions. On the Help Center webpage, you can browse through...ranging from depositing your lab’s materials and requesting them from your colleagues, to intellectual property...displaying the word “Help” next to an encircled question mark (see image above). This useful widget allows...widget, you’ll navigate to articles answering your questions making it easier than ever to get the support ...you’re looking for, or you just have a general question or concern about the answers we provide, within...

...which job boards list positions interesting to you. Many job postings will result in hundreds of applicants... requested in the posting Do this online and/or via email exactly as the job posting instructs even if...the majority of job offers arise as a result of existing professional (and personal) relationships. However... first job after the academic bench. Utilizing existing relationships as part of the job application process...you a much better chance at an interview –but you still need to nail the job yourself.   See the links in...

...detection of COVID-19 using CRISPR diagnostics. https://www.broadinstitute.org/files/publications/special/COVID...has spread to almost every part of the world manifesting as a full-fledged pandemic. Containing the spread...and to do so, the WHO recommends one strategy: testing, tracking, and social distancing. With countries...the curve, it has become evident that widespread testing is crucial in controlling this pandemic. Currently...general schematic of CRISPR/Cas based COVID-19 testing methods.   Rapid detection of 2019 novel coronavirus...illuminator. Approach: Highly similar to the SHERLOCK diagnostic test, this test varies in the sequence of steps...University. Shravanti Suresh is a PhD candidate who investigates cellular aspects of CRISPR/Cas immune systems...

...outcomes, suggesting that outcomes are already determined by at least day 13. However, distinct transcriptional... a single time point, making it difficult to investigate how early expression patterns influence reprogramming...cell type that can differentiate into hepatic or intestinal cell types. MEFs were reprogrammed into iEPs ...results suggest that iEP reprogramming is not stochastic, but rather there’s a particular cell state that...in a competitive transplant assay in the mouse intestine, demonstrating its utility in long-term tracking...The Morris Lab used CellTagging to uncover two distinct trajectories of MEFs undergoing iEP conversion...

...Every year, the Rare Genomics Institute sponsors a global competition for researchers working on rare... described more than 60 years ago, but there is still no treatment available. Aguilar is a basic cell ...He says that the award from the Rare Genomics Institute and Addgene will make a substantial difference... (top right) and his colleagues at the Wistar Institute in Philadelphia, PA will put their award to work...Joshua Wang (bottom right), also of the Wistar Institute, says that the lab got interested in XP out of...described in 1971,” McSweeney said. “But, it is still sometimes wrongly diagnosed as a seizure disorder...Resources Find out more about the Rare Genomics Institute and the BeHeard Award!    ...

... control, you will be able to confirm that the testing protocols elicited the expected response and have...the precision and accuracy and therefore the statistical power of an experiment. Technical replicates ...meaningful results.  Biological replicates are distinct samples that are treated identically, used to ...knockout.  If knockout samples are unavailable, try substituting with knockdown approaches using siRNA or shRNA... block positively charged groups with generally sticky proteins such as bovine serum albumin. Secondary...either by modifying the blocking conditions or by substituting for a more specific secondary antibody. The ... a mouse IgG2a isotype primary antibody but you still observe a signal from your anti-Mouse IgG2a secondary...

...for testing and optimizing your serotypes, titer, and promoter. Note that several steps in testing are...you know that, you’re ready to start selecting, testing, and optimizing three key variables of an AAV vector...transduce your cells. In fact, we usually recommend testing more than one.  Most AAV serotypes have broad tropism...harm, your experimental goals when designing and testing your AAV.  Figure 2: Comparison of AAV ...cells express your gene. Off-target expression can still occur (Fig. 3) - for example, some neurons can transiently...selected potential serotypes and promoters to begin testing, you’ll next need to decide how much virus to put...Konishi, H. (2014). A comparative analysis of constitutive promoters located in adeno-associated viral ...

...certainly institute better experimental design practices including talking to statisticians when necessary...recommend watching the whole livestream for a more holistic understand of reproducibility issues and their...18:45 - Reagent Development - Steven C. Almo, Institute for Protein Innovation  1:18:45 - 2:01:18 (end... to future work cost both time and money with estimates reaching in the billions of dollars (Freedman ...ll see in Steve Almo’s talk about work at the Institute for Protein Innovation (IPI) (49:45 - 1:18:45)...apply these findings in their own work ultimately wasting both time and money. The obvious solution to this...experiments with too few replicates leading to suspect statistical significance (you can read more about this problem...

...so let’s go over the details step-by-step. 1. Digestion Set up restriction digests for your insert (or...until completion. The time required for complete digestion varies for different enzymes. Many companies now...have compatible overhangs or no overhangs after digestion, you will need to use a phosphatase to prevent...vector, unfortunately you can’t just throw the digestion mixtures together. You need to isolate your insert...compatible overhangs generated by restriction digestion to anneal to one another and form a complete, ...colonies are a result of uncut empty plasmid, you will still have colonies when you do not add ligase. If the...the plasmid After purifying the DNA, conduct a diagnostic restriction digest of 100-300ng of your purified...

...human reproduction, the relevant document for the question of “how do we move forward” is the June 2012 report...report is that when it became clear that this assistive reproductive technique was feasible, three separate...funded a center for mitochondrial research to investigate the scientific possibility, safety, and efficacy...efficacy of the mtDNA transfer options being investigated; A UK regulatory body tasked two separate non-governmental...remembered kindly. However, despite many headlines questioning if He’s experiments prove otherwise, the scientific...adequately safe or effective for use in humans. The question we are left with is not “what is the translational...all of whom are named Charlotte, all of whom are still working on theirpenmanship. Additional resources...

... restriction digest analysis. Diagnostic restriction digest Diagnostic digests can be used to confirm...be done right in your lab in less than a day. Diagnostic restriction digests are comprised of 2 separate...easier for you to obtain a useful and informative diagnostic restriction digest. For your digest: Try choosing...Consider buffer and temperature compatibility when digesting with more than one enzyme. Consult the manufacturer...The dyes also run at predicted sizes so you can estimate how far down the gel your bands have traveled ... diagnostic digest...

...be a good statistic to compare between samples. In cases where there is no clear distinction between the... colors. Here are some good practice tips on adjusting voltage: During data acquisition, make sure that... Negative and positive samples are clearly distinguishable as two separate populations. Created with biorender.com...these populations may overlap slightly, or the distinct populations may not be as obvious in a dot plot...that shifts to the left. When using MFI, you can still continue gating populations of interest with normal... red (bottom) peak overlaps with the baseline suggesting this sample has a comparable expression to the...

...opened with a very interesting presentation by Professor Guido Kroemer from the Institut Gustave Roussy. ...Research tackling questions in the fields of Cancer, Inflammation and Immunity, as well as various combinations...Findings in previous animal studies suggested that fasting has a positive effect on cancer treatment (Ref ...Immunosurveillance and Defense With increasingly sophisticated visualization techniques it is possible to follow...Professor Caetano Reis e Sousa from the Francis Crick Institute concluded “Aspirin promotes autophagy, inhibits...26343581. PubMed Central PMCID: PMC4597191. 5. Eyquem, Justin, et al. "Targeting a CAR to the TRAC locus with...

...address all your unanswered questions via text! (well, maybe not all of them. We still haven’t gotten to the...Center at CalTech? If so, you may have submitted a question that didn’t get answered live - but he kindly ...our YouTube channel. And with no more ado, the questions!  AAV Prep and Technique Q1: Is there any way ...While we have not tried it, it might be worth investigating for both Q6 & Q7.For epithelial cells of the...to me a very high dosage. Any thoughts?  A: The question refers to this paper. AAV can be safely concentrated...our participants for their time and excellent questions.    Additional Resources on the Addgene Blog ...

...appropriate ligand to activate the G proteins. It is estimated that there are approximately 950 different human...signaling cascades as a response to the extracellular stimuli. Ligand dissociation from the GPCR allows for binding...PRESTO-TANGO: The ligands that activate many GPCRs are still unknown. To identify some of these unknown ligands...2015). PRESTO-TANGO uses a modified Tango beta-arrestin recruitment assay to measure receptor activation...this assay, binding of an agonist recruits a beta-arrestin-TEV protease fusion to a receptor-transcription...adrenoceptor. GPCRs in chemogenetics  While there’s still a lot to learn about GPCR signaling, researchers...activated upon binding of CNO thus showing no constitutive activity. There are an array of DREADDs that...

...first question is: to screen or to select? Which method will work best for your scientific question? If ...an assay to look at an outcome. Your scientific question can help determine which is right for you. Screen...interest is highly specific to your scientific question. Things to consider when selecting an assay system.... Make sure you plan ahead and consider these questions to save yourself a headache later on. Enhancer...that much faster? In reality, many biological questions are not conducive to selections and have to be... would be required to answer your experimental question. Now that you understand the difference between...