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We narrowed to 560 results for: mal.2

Showing: 501 - 520 of 560 results
  1. Hot Plasmids: Summer 2024

    Type
    Blog Post
    ... from damage (Abe & Lim, 2024).    Figure 2: A) When proteins (blue) interact with the air-water...adding Late Embryogenesis Abundant (LEA) proteins, small proteins that naturally adsorb to the AWI, can protect...RvLEAMshort here!    Abe, K. M., & Lim, C. J. (2024). Small LEA proteins as an effective air-water interface...editing to rescue a genetic disease phenotype in an animal model. Find PE-eVLP plasmids here! The lab’s other...Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases and...variants, including a “miniCRISPR” version, are much smaller proteins than SpyCas9, allowing them to be packaged...types in the nervous system By Ashley Waldron The mammalian nervous system is composed of myriad cell types...
  2. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    ...improvement in muscle physiological performance.  2. Trans-splicing Overview: For trans-plicing, splice...vector like AAV? By breaking the transgene into smaller pieces. Reassembly of fragmented genomes is the...lower than expression of wild-type dystrophin in normal muscles, mice treated with the overlapping split...and acceptor sequences were tested and with the optimal sequences, the group achieved ~80% of muscle cells...application (Trapani et al., 2015).  Expression of smaller fragments of the transgene have been seen with ...
  3. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    ...Single-chain variable fragment (ScFv) Figure 2: Comparison between the IgG antibody and scFv. ...antibodies are derived from animals, such as rabbits or goats; the animals are injected with the antigen...of the target protein: instead, it recognizes a small portion of the protein, known as an epitope. Epitopes...recognize. This triggers an immune response within the animal, and its B cells will churn out antibodies against...injected protein. Several weeks later, blood from the animal is drawn and the antibodies are extracted. These...multiple epitopes on the protein. However, each animal will make antibodies against different protein ...by fusing B cells that have been extracted from animals injected with protein antigen to myeloma cells....
  4. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    ...become a valuable asset yourself.     Fig 2: A diagram of the Thomas-Kilmann Conflict Model, courtesy...Substantive conflict occurs when people or teams who normally get along well with each other disagree about ...
  5. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    ...signal separately for each target.   Figure 2: Examples of simultaneous multiplex IF labeling of... frozen or formalin-fixed, paraffin-embedded tissue sections, methanol- or paraformaldehyde-fixed cell...
  6. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    ...module_attribute "schema_version" is_json="true" %}{% raw %}2{% endraw %}{% end_module_attribute %}{% module_attribute...the TSS but you can worry less about sequence optimality because you generally have fewer sequences to...dramatically when the cut site is >30nt from the proximal ends of the repair template (Yang et al., 2013...have a dozen or so gRNAs to choose from in the optimal location. It is also important to have good information...there are fewer gRNA to choose from, and thus an optimal sequence may not be available. Predicting gRNA ...explanation of our CRISPR resources. He really likes small RNAs.     References Anzalone AV, Koblan LW, Liu... L, Guell M, Byrne S, Yang JL, De Los Angeles A, Mali P, Aach J, Kim-Kiselak C, Briggs AW, Rios X, Huang...
  7. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    ...ask new and interesting questions in your own lab. 2. Seek multiple mentors during your postdoc At the ... will be able to provide letters of reference, informal recommendations, more positive grant application... not know.... 6. Go to science meetings big and small Meetings give you and your research exposure. Use...Eat well- a diet rich in vegetables, foods with minimal processing, and low in empty calories will make...
  8. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    ...effective recovery of knock-ins, but did result in 1-2 kilobases of additional sequence being introduced....screening 768 F1 animals). Recovering rare editing events in a sea of unedited animals struck me as a “...from 11-100% of F1 animals carrying precise knock-ins, and homozygous knock-in animals can be obtained in... in eight days. The only animals on a plate, other than the parental animal, are rescued progeny, which...for any selective marker to remain in the edited animal. Development of CRISPR/Cas9 editing strategies...must be removed, which can be done by isolating animals with particular visible phenotypes. These approaches...conditional-lethal mutation to identify edits with minimal screening effort. Selecting for repair of a lethal...
  9. Finding Your Perfect Job After University

    Type
    Blog Post
    ...experience in cancer research After graduating with a 2:1 BSc in Molecular Biology (roughly a B average in... agencies and noticed a position available at a small science non-profit doing customer service (recruitment...this is a fairly unique situation, because it is a small and dynamic company and so it has the flexibility...
  10. What is Polymerase Chain Reaction (PCR)

    Type
    Protocol
    ...liquid, normally sterile dH 2 O. To make a 100uM stock of any primer, add a number of µl of dH 2 O equal...PCR tube Ice Bucket 2 μL Template DNA (10 ng-500 ng) 5 μl 10X Taq buffer with MgCl 2 1 μl dNTP mix (10 ... reagents on ice): 2 μL Template DNA (10 ng-500 ng) 5 μl 10X Taq buffer with MgCl 2 1 μl dNTP mix (10 ...annealing temperature step-wise by 1-2°C. The rate of DNA synthesis is ~1-2 kb/min. The extension time can ...work adequately. Divalent cations such as Mg 2+ and Mn 2+ stabilize the buffer solution. These cations...work efficiently. Taq Buffer with MgCl 2 : Provides an optimal and stable chemical environment for the...(PCR). Basic PCR Program Initial Denaturation for 2 minutes at 94°C: This initiation step heats the double...
  11. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ...materials D.2 Screening for inserts E. Producing Lentiviral Particles E.1 Recommended materials E.2 Protocol...Published articles H.2 Web resources I. Appendix I.1 Sequence of pLKO.1 TRC-Cloning Vector I.2 Recipes I.3 Warranty...VWR: #7177-48-2. Use at 100 μg/mL. Carbenicillin VWR: #80030-956. Use at 100 μg/mL. C.2 Annealing Oligos...oligo 5 μL Reverse oligo 5 μL 10x NEB buffer 2 35 μL ddH 2 O Incubate for 4 minutes at 95°C in a PCR machine...buffer 1 1 μL AgeI add ddH 2 O to bring to 50 μL final volume Incubate at 37°C for 2 hours. Purify with Qiaquick...buffer for EcoRI 1 μL EcoRI 14 μL ddH 2 O Incubate at 37°C for 2 hours. Run digested DNA on 0.8% low melting... For a standard T4 ligation, mix: 2 μL annealed oligo from step C.2 20 ng digested pLKO.1 TRC-cloning ...
  12. AAV Titration by qPCR Using SYBR Green Technology

    Type
    Protocol
    ... 10 90 2 x 10 8 10 of 2 x 10 8 dilution 90 2 x 10 7 10 of 2 x 10 7 dilution 90 2 x 10 6 10 of 2 x 10 6...6 dilution 90 2 x 10 5 10 of 2 x 10 5 dilution 90 2 x 10 4 10 of 2 x 10 4 dilution 90 2 x 10 3 Pro-Tip...molecules/μL To obtain a solution at 2 x 10 9 molecules/μL: 1.59 x 10 11 / 2 x 10 9 = 79.8X dilution ...your standard curve plasmid (2 x 10 9 stock made in step #1): Volume of 2 x 10 9 stock or previous dilution...stock 45 uL 10X 10X Dilution 2 5 uL Dil. 1 95 uL 20X 200X Dilution 3 20 uL Dil. 2 80 uL 5X 1000X Dilution ...into 98.74 μL H 2 0 Pro-Tip Once a validated standard curve is obtained, make a small aliquot of each ...time required: ~3 h Workflow Timeline Plate set-up: 2 h qPCR run: 1.5 h Data analysis: 30 min Equipment ...
  13. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    ...biology 14.6 (2004): 757-764. PubMed PMID: 15582400. 2. Tomkinson, Alan E., et al. "DNA ligases: structure... (22). Large purine:purine mismatches and most smaller pyrimidine:pyrimidine mismatches are typically ...screened per plate. The results indicated that the optimal buffer for Taq DNA Ligase contains 100 – 200 mM...
  14. A Guide to Getting Started in Undergrad Research

    Type
    Blog Post
    ...Bachelor's degree Generally a short-term position (1-2 years) Often a gap-year position taken to transition...yourself and the world around you, it’s perfectly normal to realize that you have new interests and that...
  15. General Transfection

    Type
    Protocol
    ... solution can be stored at 4 °C for up to 2 months. After 2 months, discard the tube and thaw a new working... transfected using 1:1, 1:2, 1:3 and 1:6 µg of pRosetta :µg of PEI. The 1:2 and 1:3 ratios provided high... for viral production) Day 1: Transfect Cells Day 2 (am): 18 h post transfection - Remove media, replace...Biological Safety Cabinet 0.5–10 µL single channel pipette 2–20 µL single channel pipette 20–200 µL single channel... 200–1000 µL single channel pipette Ice bucket CO 2 incubator Pipet controller Hazardous waste container... use. Thawed aliquots should be discarded after 1–2 months. 1 mg/mL polyethylenimine, linear MW 25,000...times a week: Monday: Plate 1x10 6 cells in a 75 cm 2 flask in a volume of 15 mL. Wednesday: Plate 1x10 ...
  16. Lentivirus ddPCR Titration

    Type
    Protocol
    ...Activation 95 10 2 1 Denaturation 94 0.5 2 40 Annealing/Extension 60 1 2 40 Enzyme Deactivation 98 10 2 1 Hold ...diploid cells, thus the reason for multiplying by 2. $$V = 2*{copies\ RRE \over copies\ RPP30}$$ Use the viruses...diluted 2-fold serially, the concentration of RRE positive droplets should decrease by a factor of 2 across...Lentivirus is generally considered biosafety level 2+. Please ensure that you are in compliance with your...channel pipette 200–1000 µL single channel pipette 2–50 µL multichannel pipette 20–200 µL multichannel ...Detach cells by incubating with 200 µL TrypLE for 1–2 min. Resuspend cells in 500 µL DMEM complete and transfer... DG8 cartridge into the cartridge holder. Using a 2–50 µL multichannel pipet, load 20 µL of the reaction...
  17. Affinity Purification of Recombinant Antibodies with Protein A or Protein G

    Type
    Protocol
    ...phosphate monobasic monohydrate (NaH 2 PO 4 ∙H 2 O), pH 7.0 138 g NaH 2 PO 4 ∙H 2 O 1 L deionized water Adjust...sodium phosphate dibasic (NaH 2 PO 4 ), pH 7.0 142 g of NaH 2 PO 4 ∙H 2 O 1 L deionized water Adjust pH...monobasic monohydrate (NaH 2 PO 4 ∙H 2 O) 610 mL of sterile sodium phosphate dibasic (NaH 2 PO 4 ) Store up to...recombinant antibody. Section 2: Buffer exchange Choose Option 1 or Option 2 based on the concentration ...antibodies. Workflow Timeline Day 1: Purify antibody Day 2 or later: Buffer exchange Equipment Class II, Type...conical tubes NanoDrop spectrophotometer 37 °C, 5% CO 2 incubator with shaking platform set to 120 rpm 37 ... channel pipette 20–200 µL single channel pipette 2–20 µL single channel pipette Reagents Aspirating pipette...
  18. AAV Production in HEK293 Cells

    Type
    Protocol
    ...430825, 175 cm 2 Cellstack 5, Corning 3319, 3180 cm 2 Cellstack 2, Corning 3269, 1272 cm 2 Heat-inactivated...: 50 mM Tris HCl, 150 mM NaCl, 2 mM MgCl 2 Add the following to the 2 L sterile bottle: 1836 mL deionized... solution can be stored at 4 °C for up to 2 months. After 2 months, discard the tube and thaw a new working... mL of PBS. Aspirate PBS and add 2 mL of 0.05% Trypsin/EDTA. Wait ~2 min. Neutralize trypsin by adding...Cell-Stack (CS5) (Link opens in a new window) (3,180 cm 2 - the same surface area as 21 x T-175 flasks). Cell...flasks. Workflow Timeline Day 0: Seed cells in CS2 Day 2: Seed cells in CS5 Day 3 (am): Transfect cells Day...Biological Safety Cabinet 0.5–10 µL single channel pipette 2–20 µL single channel pipette 20–200 µL single channel...
  19. Western Blot

    Type
    Protocol
    ...transfer, block, incubate with primary antibody Day 2: Incubate with secondary antibody Video Watch this... Microcentrifuge 0.5–10 µL single channel pipette 2–20 µL single channel pipette 20–200 µL single channel...Heat block Mini gel tank chamber Power supply iBlot 2 Gel Transfer Device Roller Spatula Platform shaker...running buffer Prestained protein ladder Ethanol iBlot 2 PVDF Mini Stack, Thermo Fisher IB24002 20X TBS Tween...immediately or store at -80 °C until ready to use. Section 2: Determine the total protein concentration and prepare...in deionized water. To prepare 20% ethanol, dilute 2 mL of ethanol into 8 mL of deionized water and mix...the transfer sandwich as follows: Unseal the iBlot 2 PVDF Mini transfer stack. Set the Top Stack to one...
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