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Showing: 41 - 60 of 769 results
  1. Michael Koeris' Journey from Grad Student to Entrepreneur: The Story of Sample 6

    Type
    Blog Post
    Published
    Jan. 21, 2016, 4:52 p.m.
    ...Koeris' own transition from graduate student to entrepreneur, listen to our full interview with Dr. Koeris...contrasts being a graduate student with being an entrepreneur 29:00 - 32:20 : What did It mean for Dr. Koeris...developing a diagnostic? 36:53 - 38:00 : As an entrepreneur, is it more important to develop something that...Board and how he hopes to help young biotech entrepreneurs.   We'd like to thank Dr. Koeris for taking... entrepreneur...
  2. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...school help prepare you for the roles and skills necessary to be a succesful entrepreneur? As a co-founder...explained that the data must be reproducible by someone else. Second, "an entrepreneur must be OK with the constant...its pitch the best, wins. He explained that entrepreneurs must clearly communicate their idea at various...constantly practicing. “The expenditure of effort in preparation and practice is directly related to success presenting...from the early 1990s that were free and free to repair.” If the team works well, the idea is solid, and...
  3. Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2:  Reprogramming and Transdifferentiation

    Type
    Blog Post
    Published
    Nov. 6, 2018, 1:12 p.m.
    ...promote bone regeneration in 3D biomaterials. Sci Rep, 2016. 6: p. 26761. PubMed PMID: 20065292. PubMed...cells to mature functional Purkinje neurons. Sci Rep, 2015. 5: p. 9232. PubMed PMID: 25782665. PubMed ...that have been reprogrammed to iPSCs successfully [10-12]. The next stage of reprogramming consists of redifferentiation...-42]. Reprogramming and transdifferentiation: When to use one over the other Both reprogramming and transdifferentiation...processes by which cells are converted to replenish and repair cells that are lost or damaged. Both transdifferentiation...transdifferentiation, and reprogramming: future directions in regenerative medicine. Semin Reprod Med, 2013. 31(1...goal in the field of regenerative medicine is to replace lost or damaged cells. Here, I will discuss the...
  4. Measuring Kinase Activity at the Single-Cell Level with Kinase Translocation Reporters (KTRs)

    Type
    Blog Post
    Published
    July 26, 2018, 12:46 p.m.
    ...Problems with FRET kinase reporters Difficult to Multiplex: FRET reporters are comprised of two fluorescent...phosphatase-accessible. Kinase Translocation Reporters (KTRs) Kinase Translocation Reporters (KTRs) are genetically encoded...single-cell kinase activity is FRET, but FRET reporters are challenging to design and difficult to multiplex...alternative tool with their Kinase Translocation Reporters (KTRs) whose cellular localization serves as a...multiplexed together. Challenging  to Design: FRET reporter activity depends on both the distance and the .... Slower Dephosphorylation Rates: FRET-based reporters can have slower dephosphorylation rates than KTRs...KTRs which is hypothesized to be caused by FRET reporters having phosphorylated conformations that are less...
  5. pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs

    Type
    Blog Post
    Published
    Dec. 14, 2017, 2:08 p.m.
    ... when Yamanaka and colleagues reported that it is possible to reprogram differentiated cells into induced...starting cells for reprogramming while PBMCs collected from blood are reprogrammed immediately after collection...modified reprogramming factor cocktail, and viral protein EBNA-1. Methods for reprogramming hiPSCs from...the common goal of all reprogramming methods is the expression of the reprogramming factors- OCT3/4, SOX2...long-term expression of the reprogramming factors. However, reprogramming of PBMCs by episomal vectors...source of somatic cells for reprogramming. Enhancing PBMC reprogramming efficiency: the pCXLE episomal ...of an shRNA for P53 and replacing C-MYC with L-MYC in the episomal reprogramming cocktail by Okita et al...
  6. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    Published
    June 4, 2019, 1:02 p.m.
    ...controllable and reproducible set up,” Bernach explains. Developing an artificial leaf replica means creating... the TIMER growth rate bioreporter. During protein maturation, the bioreporter spontaneously changes from...sensor with proof-of-principle experiments that replicate current knowledge, but the sensor can also kinetically...  Michal Bernach: Developing an artificial leaf replica system to study plant-bacteria and bacteria-bacteria..., Bernach sought to develop an artificial leaf replica system. “This bottom-up approach will allow me ..., Bernach plans to use a suite of fluorescent reporters. Bacteria containing unstable fluorescent proteins...artificial leaf, Bernach will use the CUSPER bioreporter such that fluorescent proteins expression is ...
  7. Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME

    Type
    Blog Post
    Published
    June 6, 2019, 12:41 p.m.
    ...a library of reporter plasmids, each containing two fluorescent proteins and four repeats of a miRNA target..., it will repress expression of mKate2 relative to EBFP2. Weiss’s group used these reporters to define...collection of reporter plasmids is amenable to Golden Gate assembly for turning the single-input reporters into...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles...Neuron. 2019. PubMed PMID: 30704911. Acoustic reporter genes for noninvasive imaging of microbes in mammalian...contributed by Lukas Morgan  Listen to the acoustic reporter gene podcast segment In recent years, scientists...heavily on fluorescent protein genes. These optical reporters have limited deep-tissue performance, and sometimes...
  8. Unique and persistent IDs for improved reproducibility: Addgene now supports RRIDs and compact identifiers for all plasmids

    Type
    Blog Post
    Published
    Nov. 20, 2018, 8:17 p.m.
    ...identification of a reagent is crucial for reproducibility because mistakes in this can lead to wasted...Object Identifier (DOI). Nearly all the papers or preprints you read or produce have one. The DOI serves as...these metadata and publications help to enable reproducibility of experiments. Additionally, proper citation...address. For the RRID format, lenti-Cas9-VQR is represented as “RRID:Addgene_87155” and the following URL... the journal’s specific author guidelines for reporting your materials. If you deposit a plasmid with ...to ensure that materials available through our repository are verified and identifiable to save researchers...researchers time and make their work more reproducible. While Addgene plasmid URLs act as unique PIDs, we’re...
  9. Hot Plasmids - June 2020 - Barcoded CRISPR Library, Sparse Cell Labeling, Calcineurin Reporter, and DNA Staining Dye Alternative

    Type
    Blog Post
    Published
    June 2, 2020, 1:15 p.m.
    ...Find plasmids expressing tTALE-FP Shin et al., Sci. Rep. 2019. https://doi.org/10.1038/s41598-019-53722-0...transcriptional reporter consisting of a quickly-degraded destabilized GFP variant fused to a 4X CDRE repeat. In ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles...infection, because this setup allows for experimental replicates for each of the gRNAs. The idea was to assign...remove a stop cassette upstream of an effector/reporter gene. In cells where the stop cassette is removed...organisms including Drosophila, fish, and mice, by replacing the effector with a gene of interest in the cells...https://doi.org/10.1101/788679 A destabilized GFP reporter for calcineurin activity in yeast Article contributed...
  10. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    Published
    July 25, 2023, 1 p.m.
    ...packaging proteins for AAV are rep and cap. Rep is required for viral replication and also aids in infrequent...release from late endosomes when AAV is trafficked. Rep and cap mediate AAV pseudotyping which allows for...ITRs serve as a type of origin of replication to initiate replication of the dsDNA virus. Viral packaging...plasmid while the other plasmids with packaging or replication components are called helper plasmids. Below,...this promoter-gene combo are two long terminal repeats (LTRs). These LTRs define the limit of what will...different in sequence. Both LTRs do share common repeat regions in addition to their unique regions as ...constructs. Sandwiched between two inverted terminal repeats (ITRs) is the promoter and cargo, in that order...
  11. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    Published
    May 10, 2016, 2:30 p.m.
    ...Mutations Both Inhibit HIV-1 Replication and Accelerate Viral Escape. Cell Rep. 2016 Apr 5. PubMed PMID: ...reactivation of the HIV-1 latent reservoirs. Sci Rep. 2015 Nov 5;5:16277. PubMed PMID: 26538064. PubMed...-lymphoid Cells by CRISPR/Cas9 Gene Editing. Sci Rep. 2016 Mar 4;6:22555. PubMed PMID: 26939770. PubMed...DNA efficiently suppresses hepatitis B virus. Sci Rep. 2015 Jun 2;5:10833. PubMed PMID: 26035283. PubMed...designed multiple gRNAs to target the 5’ long terminal repeat (LTR) of the HIV-1 genome, which acts as a promoter...create mutations in genes essential to HIV-1 replication. However, this approach could permit some viral...for CRISPR HIV-1 therapy Both of these methods represent exciting advances in preclinical HIV-1 research...
  12. Seeing Red: Simple GFP Photoconversion

    Type
    Blog Post
    Published
    Aug. 4, 2015, 2:30 p.m.
    ...protein tracking in vivo. Sci Rep. 2015 Jul 7;5:11771. doi: 10.1038/srep11771. PubMed. McKinney SA, Murphy...cytoplasmic strands. Image from Sattarzadeh et al., Sci Rep. 2015 CC BY 4.0 Applications and limitations of GFP...conduct subcellular localization studies or make a reporter construct. Fluorescent proteins (FPs) are also...and it would be expensive and time-consuming to repeat the process with these new photoconvertible proteins...culture with cytosol-targeted GFP. White circles represent the irradiated area. Photoconverted GFP spreads...investigators when using forms of mEos." The ability to repurpose GFP is great news for microscopy enthusiasts! ...
  13. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    ...Murakoshi H, et al. Sci Rep. 2015. Pubmed PMID: 26469148. Murakoshi H, et al. Sci Rep. 2017. Pubmed PMID:...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles...microbes, used coffee grounds could be economically repurposed as starting material for the bioproduction of...
  14. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ... to produce AAV: 1) the RepCap plasmid which provides the AAV replication (rep) and capsid (cap) genes...genes. AAV replication uses the host’s polymerase, but requires Rep proteins to process a double-stranded...adenovirus genes which help mediate AAV viral replication; and 3) the transfer plasmid which encodes a ...still necessary. To save time and money, I like to miniprep 5 mL of my AAV transfer plasmid cultures and then...pellet for the remainder of the cultures and later maxiprep only the cultures with intact ITRs. I use a spreadsheet...culture supernatant because it’s time consuming to prepare the 40% PEG solution. PEG takes several hours on.... Rather than investing all of this effort in preparing reagents, I choose to only harvest the cell pellet...
  15. Introducing an All-in-One CRISPR/Cas9 Vector System for Multiplex Genome Engineering

    Type
    Blog Post
    Published
    Nov. 12, 2014, 3:54 p.m.
    ...Chayama K, Yamamoto T. Sci Rep. 2014 Jun 23;4:5400. doi: 10.1038/srep05400. PMID: 24954249 Find the Mulitplex...University who described their new tool in Scientific Reports in June. “The multiplexity is one of the most advantageous...will also allow simultaneous activation and/or repression of multiple genes, and more. The researchers ...
  16. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...Staphylococcus aureus Cas9. Sci Rep 6: . https://doi.org/10.1038/srep32565 Resources on the Addgene Blog...Blastocyst and CRISPR/Zygote Injection Approaches. Sci Rep 8: . https://doi.org/10.1038/s41598-018-33408-9 Mizuno...system derived from Streptococcus pyogenes. An alternative Cas9, from Streptococcus aureus, is as effective...out an “SOS” signal and cellular repair mechanisms rush in to repair the damage. If all they can do is...homology directed repair pathway (HDR), be it a single nucleotide change, insertion of a reporter gene, or replacement...confused. It was supposed to be hard. I was mentally prepared to go through a learning curve that would result... been following the Addgene blog, it has been repurposed for genome editing in eukaryotes, with the most...
  17. In Living Color: The Skinny on In Vivo Imaging Tools

    Type
    Blog Post
    Published
    March 27, 2014, 5:14 p.m.
    ...proteins. Krumholz et al (Sci Rep. 2014 Feb 3; 4:3939. doi: 10.1038/srep03939.)  ...background.” Just last month in Scientific Reports, Verkhusha’s team reported another advance in the application.... Transparency window That’s exactly what they reported doing in a paper that appeared in Nature Biotechnology...
  18. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...immunoglobulin binding domains.  Santilli, R.T., et al. Sci Rep (2021). https://doi.org/10.1038/s41598-021-96051-...a subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These...FLAG is eight amino acids, HA is nine), multiple repeats of the tag can recruit multiple frankenbodies to...induce high levels of gene activation for both reporter and endogenous genes. It is highly specific in...
  19. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    Published
    March 30, 2017, 2:30 p.m.
    ...mediated gene disruption in the HIV provirus. Sci. Rep. 6, 20064 (2016). PubMed PMID: 26829887. PubMed Central...donor sequence integrated through homology-directed repair (HDR) (1), or indel mutations resulting from non-homologous...detection limits of about 5% mutant targets have been reported for mismatch nuclease assays (2, 6, 7). Ability...
Showing: 41 - 60 of 769 results