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Showing: 41 - 60 of 220 results
  1. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

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    Blog Post
    ...imaging of diverse tissues. Nature Protocols, 17(2), Article 2. https://doi.org/10.1038/s41596-021-00644-9 ...   Figure 2: Screenshot showing reagent entries with associated metadata adapted from the Affinity...Human Biomolecular Atlas Program (HuBMAP) antibody metadata standards. And the dataset is rich. Experimental...
  2. Using AAV for Neuronal Tracing

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    Blog Post
    ...Neuron 84(2), 292–309. PubMed PMID: 25374356. PubMed Central PMCID: PMC4269290. Masamizu, Y., Okada, T., Kawasaki...for retrograde transport has been found for AAV1, -2, -5, -7, -8 (Taymans et al., 2007), AAV1 (Hollis et... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One 8:e76310...reveal novel hippocampal CA2 circuits. Nat Neurosci 17(2), 269–279. PubMed PMID: 24336151. PubMed Central PMCID...transduction efficiency of recombinant AAV serotypes 1, 2, 5 and 8 in the rat nigrostriatal system. J Neurochem...analysis of adeno-associated viral vector serotypes 1, 2, 5, 7 and 8 in mouse brain. Hum Gene Ther 18, 195–...retrograde access to projection neurons. Neuron 92(2), 372–382. PubMed PMID: 27720486. PubMed Central PMCID...
  3. Rett Syndrome: A History of Research and Therapeutic Outlooks

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    Blog Post
    ...//doi.org/10.1002/1096-8628(200022)97:2<147::aid-ajmg6>3.0.co;2-o Baker SA, Chen L, Wilkins AD, Yu P, ...Caused by a mutation in the methyl-CpG binding protein 2 (MECP2) gene, Rett Syndrome is a rare, progressive...X-linked MECP2, encoding methyl-CpG-binding protein 2. Nat Genet 23:185–188 . https://doi.org/10.1038/13810... (2000) Rett syndrome: Methyl-CpG-binding protein 2 mutations and phenotype-genotype correlations. Am ... the human RNA base editing enzyme (“Editase”), ADAR2, into the hippocampus of a Rett Syndrome mouse model...10.1016/j.celrep.2020.107878 Sinnett SE, Hector RD, Gadalla KKE, Heindel C, Chen D, Zaric V, Bailey MES, Cobb....2017.04.006 Tillotson R, Selfridge J, Koerner MV, Gadalla KKE, Guy J, De Sousa D, Hector RD, Cobb SR, Bird...
  4. Plasmids 101: Modular Cloning Applications and Kits

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    Blog Post
    ... Multiple Introns.” Plant Communications, vol. 2, no. 2, Elsevier BV, Mar. 2021, p. 100135. Crossref, ...Constructs.” PLoS ONE, edited by Jean Peccoud, vol. 6, no. 2, Public Library of Science (PLoS), 18 Feb. 2011, p... vol. 5, no. 10, American Chemical Society (ACS), 2 May 2016, pp. 1059–69. Crossref, https://doi.org/10.1021...of Plant Genomes.” The Plant Genome, vol. 16, no. 2, Wiley, 9 Mar. 2023. Crossref, https://doi.org/10.1002...Crossref, https://doi.org/10.1186/s12870-020-02388-2. Stuttmann, Johannes, et al. “Highly Efficient Multiplex...Crossref, https://doi.org/10.1038/s41598-019-46171-2. Resources on Addgene.org Modular Cloning (MoClo...toolkit was used to study the effects of protein degradation on chimeric antigen receptor signaling (Kim et...
  5. Hot Plasmids - October 2022

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    Blog Post
    ...GEVIs (called ASAP 1 and 2), they found an indicator that is optimized for 2-photon imaging of voltages...resultant JEDI-2P sensors overcome many challenges in 2-photon in-vivo imaging of voltage fluctuations. Image...suitable for in vivo optogenetic use.   Fig. 2: A) HcKCR1 is highly selective for K+ over other Na...slice of HcKCR1-EYFP and tdTomato expressed layer 2/3 neurons in mouse. C) Action potential frequencies...with (bottom) photoactivation of HcKCR1. Images adapted from Govorunova et al. 2022.     HcKCRs represent...
  6. Plasmids 101: Knockout/Knock-In Plasmids

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    Blog Post
    ...the addition of Cre recombinase (Figure 2). Figure 2: A knockout targeting vector designed to... through an experiment designed to knock out exon 2 of a given gene.   Figure 1: A knockout targeting...For recombination to occur in a cell, a minimum of 2 kb of sequence homology is required, but 6 to 14 kb...construct to your target cells. After recombination, exon 2 of the targeted gene will be removed from the chromosome...the GFP/NeoR cassette is inserted in place of exon 2. Thus, the targeted gene is disrupted (knocked out...recombination event will remove NeoR only and leave exon 2 floxed, as seen in line 4 of Figure 4. Since the loxP...them by depositing with Addgene! Figures were adapted from: Hall B, A Limaye, & AB Kulkarni. (2009) "...
  7. Viral Vectors 101: An Introduction to AAV

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    Blog Post
    ..., AAV2/8 has a type 2 ITR and a type 8 serotype. Almost all vectors contain type 2 ITRs, which comes from...differentiated, non-dividing cells.   Figure 2: DNA rescue and transduction of a conventional single-stranded...quantitative PCR-based method for the titration of AAV-2 vector stocks."Molecular Therapy 6.2 (2002): 272. ...intra-molecular annealing. Figure and legend from Okada, 2013.   scAAV If your gene of interest is truly...PMID: 20649475. PubMed Central PMCID: PMC2957237. Okada, T. (2013). Efficient AAV Vector Production System...
  8. Cpf1: A New Tool for CRISPR Genome Editing

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    ...CRISPR/Cas9.  How was Cpf1 found and tested? Class 2 CRISPR systems, including the type II Cas9-based system...employed by class 1 systems. A putative new class 2 nuclease, Cpf1 (CRISPR from Prevotella and Francisella...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system." Cell (2015). PubMed PMID: 26422227... Find plasmids from this publication at Addgene. 2. Zetsche, Bernd, et al. "Multiplex Gene Editing by...represent a functional CRISPR nuclease that could be adapted for genome editing. The use of a different nuclease... the simplest CRISPR systems and the easiest to adapt to genome editing, but the introduction of type ...learn about CRISPR biology. Later work, like the adaptation of Cas13 to RNA targeting and RNA editing, has...
  9. An Introduction to Adenovirus

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    Blog Post
    ...either SARS-CoV-2, Adenovirus type 41 (AdV-41), or Adenovirus-Associated Virus type 2 (AAV2) – or some... was either 1) a physiological effect of SARS-CoV-2 toward destabilizing one’s natural immune response...response to Adenovirus (and/or to its partner, AAV) or 2) a sociological effect of the COVID-19 lockdowns causing...… Chiu, C. Y. (2023). Adeno-associated virus type 2 in US children with acute severe hepatitis. Nature...cellular events, all recruit strong innate and adaptive immune responses that inactivate viral genomes..., J. S., Lovett, S. P., Parker, K., Radune, D., Hatada, A., Pan, C. Y., Rizzo, K., Bertumen, J. B., Morales...
  10. CasPEDIA: A Functional Classification of Cas Enzymes

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    Blog Post
    ...systems: a burst of class 2 and derived variants. Nature Reviews Microbiology, 18(2), 67–83. https://doi.org...resource that provides summary information on Class 2 Cas enzymes. The information is organized in wiki ...this content and much, much more.     Fig. 2 – List of resources and properties for a Cas entry...Database: A Functional Classification System for Class 2 CRISPR-Cas Enzymes [Preprint]. Biochemistry, Biophysics...Comparison of different Cas enzymes using CasPEDIA. Adapted from Adler et al.   You can also search by ...
  11. Science Guides

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    Guide
    ...specific control of activity. Read More CRISPR Class 2 C lustered R egularly I nterspaced S hort P alindromic...alindromic R epeat (CRISPR) systems, which form an adaptive immune system in bacteria, have been modified ...
  12. RNA Interference in Plant Biology: New Tools for an Old Favorite

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    ... analogs such as 2-fluoroadenine (2-FA), organisms with functional APT will convert 2-FA to cytotoxic ...selection of plants undergoing RNAi, and LIIbeta F 1-2 RNAi, which allows assembly of intron-spliced hpRNAs...nucleotides, resulting in death. In the presence of 2-FA, potent gene silencing of APT is required for survival... gene silencing effect through targeted mRNA degradation, blocking translation, or chromatin modifications...codons, and/or the phenomenon of transcriptional adaptation (Smits et al., 2019; Sztal and Stainier, 2020...Sztal TE, Stainier DYR (2020) Transcriptional adaptation: a mechanism underlying genetic robustness. Development...
  13. Five Popular Model Organisms, Part 2

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    ... H. J. (2009). Rats! Disease Models & Mechanisms, 2(5–6), 206–210. https://doi.org/10.1242/dmm.002733 ...plant species and metabolic properties affecting adaptations.  Arabidopsis thaliana flowers. Image from...
  14. Negative Can Be Positive: Open AAV Data with Addgene

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    ...indicated they wanted to see more negative data (Figure 2.) At the same time, when scientists who support open...is not only housed, but encouraged.    Fig. 2: Results from a survey conducted by Addgene in 2021...detailed methods and image descriptions, a minimum n = 2, and well labeled high- and low-magnification images...gene therapy trials. Human Gene Therapy Methods, 26(2), 71–76. https://doi.org/10.1089/hgtb.2015.040 Initiative...Brans, M. A. D., Luijendijk, M. C., Garner, K. M., & Adan, R. A. H. (2010). Optimization of Adeno-Associated..., Malaker, S. A., Poweleit, N., Maynard, L. H., Adams, C. M., Leib, R. D., Cirolia, G., Thomas, D., Stamnes...
  15. DNA Purification Without a Kit

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    Blog Post
    ...alkaline lysis plasmid miniprep Starting material: 2 mL bacterial culture Product: plasmid DNA This kit-free...protocol: 1) it solubilizes both DNA and agarose, and 2) it helps DNA stick to the glass. After binding DNA... had a similar level of sensitivity. Figure 2: Steps to purify DNA using a cellulose dipstick. Image...Academy of Sciences of the United States of America, 76 2, 615-9 . https://doi.org/10.1073/pnas.76.2.615  Zhou...or TE. The Bishop Lab’s glass milk protocol is adapted from the 1979 Patterson Protocol. When published...100 bp to 48 kb with high yields and without degradation during the extraction procedure. Additionally...
  16. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    ...Currently available from the Kim lab are 2 presynaptic and 2 postsynaptic targeting mGRASP plasmids. Additionally... cells were pulsed with 2µg/ml of Doxycycline for 2 hours, and imaged on the Keyence BZ-9000 fluorescence...work! Robinson et al., Dev Cell 2010 Feb 16;18(2):324-31. Cheeseman et al., J Cell Sci 2013 May 1...promotes the formation of an isopeptide bond between 2 peptide tags, SpyTag and KTag. The group demonstrated... of three sets of cloning vectors (Level 0, 1, or 2) which can be utilized in three successive assembly...1 modules can be similarly assembled into a Level 2 vector, thus forming a functional genetic circuit....circuit. Flexibility has been built into the Level 2 vectors to allow for additional iterations of Level 1 assembly...
  17. Important Considerations When Using AAVs

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    ...University of Manitoba due to their Biosafety Level-2 or 2+. Please Note: Despite the fact that AAVs themselves...long and stable expression (up to 9 months in mice [2]). Low Immune Response: Compared to other viral vectors... location. Location (1): What tissue? Location (2): Where in the tissue/which cell type? Location (3...may be sufficient to overcome the transport issues. 2. Failure to plan (for storage) Is planning to fail...Find Ready-to-Use Retrograde AAV Preps at Addgene 2) Comparison of genetically engineered receptors (i.e...Therapy 15.10 (2007): 1740-1743. PubMed PMID: 17882145. 2. Zincarelli, Carmela, et al. "Analysis of AAV serotypes... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain." PloS one 8.9 (...
  18. Live and Let Dye: Self-Labeling Protein Tags

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    ... Scale bar, 2 μm. Inset shows comparison with standard confocal microscopy. Image adapted from (Bottanelli...Biology, 15(2), 128–136. https://doi.org/10.1016/j.chembiol.2008.01.007 Griffin, B. A., Adams, S. R., & ...super-resolution or single-molecule techniques.   Figure 2: Two-color super-resolution imaging of ER and mitochondria...enables applications like multi-color imaging (Figure 2). If you’re working with purified proteins in vitro...conjugates: A flexible chemical tag. Nature Methods, 2(4), Article 4. https://doi.org/10.1038/nmeth749 Strebinger...black is the fusion tag or labeling system. Image adapted from Lavis, 2016, under CC-BY. Common self-...
  19. Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins

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    Blog Post
    ...fluorescent state make them useful for 2-color imaging with green PA-FPs. Table 2: Properties of Selected Reversible... conventional FP imaging. PA-FPs are divided into 2 main categories - those with irreversible and reversible... forms of the chromophore which contribute to the 2 peaks of wtGFP’s excitation spectrum- a major 397 ... / N99K / S148L / I165V / Q167P / L169V / I203R) (2) and PA-mRFP1(S146H / I161V / I197H) (3) were derived...with two distinct wavelengths of light (see Table 2). The best known reversible PA-FP is the naturally... above background. The majority of PA-FPs come in 2 flavours- monomeric and tetrameric. Tetrameric PA-...most PA-FPs, but, in 2015, the Looger Lab designed 2 variants of EosFP that can withstand these conditions...
  20. CRISPR 101: Multiplex Expression of gRNAs

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    Blog Post
    ...illustrated in the schematic below.   Figure 2: gRNA target sequences (colored rectangles) are cloned... plasmids: This plasmid set allows you to express 2-4 gRNAs, with four being the ideal number. First you...the total number of gRNAs you wish to clone, from 2-7. For example, if you’re expressing 4 gRNAs, you’...gRNAs into spectinomycin-resistant plasmids pX330S-2 to pX330S-(last gRNA number). The 5’ most gRNA is ...Multiplexing Plasmids: These plasmids allow you to assemble 2-4 gRNAs through Golden Gate or Gibson Assembly. gRNAs...Multiplex Plasmids: These plasmids allow expression of 2-5 gRNAs in zebrafish. Custom destination vectors are...and a subsequent curing protocol that requires only 2-3 hours incubation. Kondo Lab multiplexed base editing...
Showing: 41 - 60 of 220 results