TR-1003-G | Polybrene Infection / Transfection Reagent

TR-1003-G
1 mL  
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      Overview

      Description
      Catalogue Number TR-1003-G
      Trade Name
      • Specialty Media
      Description Polybrene Infection / Transfection Reagent
      Overview A highly efficient method of gene trasfer into mammalian cells is through infection with retroviral vectors. The efficiency of retroviral infection is enhanced significantly, 100 to 1,000 fold in some cells, by including polybrene during the infection. Polybrene with DMSO shock is also used to mediate DNA transfer into a variety of cell types, such as: CHO, chicken embryo fibroblases, NIH3T3 cells, and myeloid cells.
      References
      Product Information
      Presentation 10mg polybrene per mL sterile Ultra Pure water.
      Applications
      Application A highly efficient method of gene transfer into mammalian cells levregaing infection with retroviral vectors.
      Application Notes A highly efficient method of gene transfer into mammalian cell is through infection with retroviral vectors. The efficiency of retroviral infection is enhanced significantly, 100 to 1,000 fold in some cells, by including polybrene during the infection. Polybrene with a DMSO shock is also used to mediate DNA transfer into a variety of cell types, such as CHO, chicken embryo fibroblasts, NINH-3T3 and Myeloid cells.



      Protocol: Retroviral Infection



      Recombinant retroviral stocks are prepared by adding 5mls of growth medium with 5% serum to a near confluent monolayer of transfected retroviral packaging cells in a 100mm plate. After 24 hours the medium is removed and filtered through a 0.45um filter.



      Cells to be infected with this recombinant retroviral stock are plated at 500,000 cells per 100mm plate in 10mls of complete medium.



      24 hours later, remove the growth medium from the cells. Infect cells with 2mls of the viral supernatant (or a dilution of the virus stock into 2mls) in the presence of 5ug to 10ug of polybrene per ml (final concentration). Incubate cells for 3 to 6 hours at 37°C.



      Add 8mls of complete medium. Three days after infection, split the cells 1:5 into selection medium.

      References:

      Toyoshima, K. and Vogt, P.K., 1969. Virology. 38:414-426

      Coelen, J.R., Jose, D.G. and May, J.T. 1983. Arch. Virol. 75:307-311





      Protocol: Transfection



      Plate cells at approximately 50% confluence in complete growth medium.



      18 to 24 hours post plating, prepare the DNA-Medium-Polybrene solution, immediately before using as follows:



      Note: Each component must be added in the proper sequence.

      1st: Complete growth medium (2mls for a 60mm plate and 3mls for

      a 100mm plate) warmed to 37°C.

      2nd: Plasmid DNA, 10ng to 10ug. Gently mix.

      3rd: Polybrene to a final concentration of 5ug to 10ug per ml. Gently mix



      Remove medium from plate and add DNA-Medium-Polybrene solution to cells. Incubate cells at 37°C for 6 to 20 hours with occasional gentle rocking approximately every 1.5 hours for the first 6 hours.



      Remove DNA-Medium-Polybrene solution and gently overlay cells with DMSO shock solution (15% DMSO in 1X HBSS: Specialty Media catalog #S-051-D) 3mls per 60mm dish and 4mls per 100mm plate. Manually rock the dish for 10 seconds to evenly distribute the solution, and then incubate the cells for exactly 4 minutes at 37°C.



      Immediately remove the DMSO shock solution and gently rinse the cells twice with complete growth medium, 5mls per wash per 60mm dish, 10mls per wash per 100mm dish



      Add complete growth medium to the cells.



      For Stable transformants, remove the growth media and split the cells 1:5 into selection medium.



      For transient expression, remove the growth medium and add fresh growth medium. Harvest cells and/or medium after 24 to 72 hours.

      References:

      Chaney, W.G. et al., 1986. Somatic Cell and Molecular Genetics. Vol. 12, No. 23,

      237-244.

      Aubin, R.J. et al. 1988. Somatic Cell and Molecular Genetics. Vol. 14, No. 2, 155-167.

      Chisholm, O. et al., 1998. Nucleic Acids Research. Vol. 16, No. 5, 2352







      Reagent is supplied filtered through 0.2um membranes and hydrated with sterile H20.
      Biological Information
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      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage Conditions Store at -20°C upto 2 years.
      Packaging Information
      Material Size 1 mL
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      Supplemental Information
      Specifications

      Documentation

      MSDS

      Languages
      English

      References

      Reference overviewPub Med ID
      Using small molecules to improve generation of induced pluripotent stem cells from somatic cells
      Desponts C. & Ding S.
      Methods Mol. Biol. 636 207-218 2010

      Show Abstract
      20336525

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