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Technical Note

Optimization and pharmacological validation of wild type beta-arrestin 2 plasmid transfection

Transfect cell lines & achieve improved beta-arrestin assay windows

Studying beta-arrestin in CHO-K1 cells has proven difficult since endogenous expression of beta-arrestin 2 is low in this cell line. This technical note provides details on how transfecting cell lines with a beta-arrestin plasmid can lead to an increase in beta-arrestin 2 recruitment signals and restoration of beta-arrestin 2 in otherwise deficient cells.

Utilize this note for the best practices for achieving effective transfection and improving the assay window between 10% and 100%+.

Key parameters covered:

  • Amount of transfected DNA
  • Expression levels of AP2 and Alpha-tubulin
  • Beta-arrestin 2 expression levels and associated beta-arrestin 2 assay delta F (ΔF) of the resulting transfection

For research use only. Not for use in diagnostic procedures.

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Optimization and pharmacological validation of wild type beta-arrestin 2 plasmid transfection