...purification. Workflow Timeline Day 1: Purify Day 2: Buffer exchange and concentration Note : Both steps... 7.4 1X PBS-MK buffer 100X Pluronic-F68 NaCl MgCl 2 KCl Centrifugal filter units (MWCO 100 kDa) Reagent...PBS-MK buffer Dissolve 5.84 g of NaCl, 26.3 mg of MgCl 2 and 14.91 mg of KCl in 1× PBS in a final volume of...at 4 °C. 1X PBS-MK buffer Dissolve 26.3 mg of MgCl 2 , and 14.91 mg of KCl in 1× PBS in a final volume ...(C) (formulation buffer) Add 5 mL of Buffer B and 2 mL of 5 M NaCl to 43 mL PBS Procedure Preparation ...need more time, you can alternatively centrifuge for 2 h at 200,000 x g at 18 °C. Carefully take the QuickSeal...interface of the 60% and 40% gradient (see Figure 2) with an 18 ga needle. Place the first microcentrifuge...

...RNAzol®, QIAzol® (for Protocol Option #2) Water-saturated Phenol 2 M Sodium Acetate pH 4 Chloroform/Isoamyl....5% (wt/vol) N-laurosylsarcosine (Sarkosyl) 0.1 M 2-mercaptoethanol TRIzol® or similar product such as...recipe). If using TRIzol®, jump down to the Option #2 - TRIzol® Protocol section below. Homogenize or lyse...following sequentially to 1 mL of lysate: Add 0.1 mL of 2 M sodium acetate (pH 4.0), mix thoroughly by inversion...aliquots of it and storing those in -80°C. Option #2 - TRIzol® Protocol Homogenize or lyse tissues or cells...by hand for 10 seconds. Incubate the sample(s) for 2-3 minutes on ice and centrifuge for 15 minutes at ...Isopropanol or Lithium Chloride. This protocol was adapted from Chomczynski P and Sacchi N, 2006 and TRIzol...

...the solution can be stored at 4 ℃ for up to 2 months. After 2 months, discard the tube and thaw a new working...were transfected using 1:1, 1:2, 1:3 and 1:6 ug of pRosetta:ug of PEI. The 1:2 and 1:3 ratios provided high...lentiviral vectors) Day 1 (pm): Transfect Cells Day 2 (am): 18h post transfection - Remove media, replace... 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 ...culture plates. Incubate the cells at 37 ℃, 5% CO 2 for ~20h. Gently aspirate media, add 10 mL fresh DMEM...plasmid using a variety of ratios. Check the cells 1-2 days after transfection to determine what ratio gives...

...method 1) or the volume of virus (method 2): Method 1 Method 2 $$T = {N*F*D\over V_T}$$ Where: T = Titer...Lentivirus is generally considered biosafety level 2+. Please ensure that you are in compliance with your...of lentiviral vectors) Day 1: Transduce Cells Day 2 (am): Remove media, replace with fresh media Day 4...complete. Mix well by pipetting or inverting. Aliquot 2 mL of cell suspension into each well of the 6-well...was developed for Lenti-X 293T cells but can be adapted to a variety of target cell lines and selection...

...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...

... plate. Incubate plates at 37 ℃ for 18 hours. Day 2 Observe plates for colony formation. Shown below ...individual colonies and effective selection. 150 µL of 2 mg/mL Carbenicillin plated over-agar Plate shows less...individual colonies with smaller size than the 1 mg/mL and 2 mg/mL plates and effective selection. Selection Curve...selection with carbenicillin; however it can be adapted for any antibiotic through the use of a selection...

...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 ...

...Workflow Timeline Day 0: Seed and Transduce Cells Day 2: Replace media with fresh media containing selection...the appropriate antibiotic. Incubate the cells for ~2 weeks. All of the cells in the untransduced (negative...disturb the colonies. Count the colonies for at least 2 of the dilutions. *Pro-Tip* The higher dilution wells...stained with 0.1% crystal violet and counted. Figure 2: A549 cells were transduced with the indicated serial...protocol was developed for A549 cells but can be adapted to a variety of target cell lines and selection...

... recover, set up overnight growth (Estimated time 2-3 hours) Transformation should be performed at the... day to ensure that growth times are limited. Day 2: Harvest cells and purify DNA (Estimated time 3-4 ... Tubes should contain a total of 5 mL (3 mL SOC + 2 mL transformed Endura from two separate transformations...has been absorbed by the agar. This usually takes 1-2 minutes. *Critical* Be careful not to rip or shred...incubation if needed. Place 100 mL sterile LB at 4 ℃. Day 2 (morning) Before beginning, prechill at least four...pellet. The total weight of each pellet should be ~1-2 g. *Pro-Tip* Make sure to weigh the empty tube beforehand...adequate quality, but this upfront cost will save headaches and expense later. At a minimum we recommend the...

...Workflow Timeline Day 0: Seed and Transduce Cells Day 2-3 (am): Remove media, replace with fresh media containing...cell death, the cell media should be changed every 2-3 days to maintain the dose of antibiotic, which may...confluent 10 cm dish can be expanded into two 75 cm 2 flasks. *Pro-Tip* This selection method results in...established using Lenti-X 293T cells but can be adapted to alternative cell lines. Last Updated: January...