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Cell Line Services for all your research needs

Stable Cell Line Services

Cell Line Services

Stable cell lines are essential for protein and antibody production and cell-based assays. GenScript delivers high quality, customized stable cell line services that range from stable expression lines for research purposes to GLP grade stable cell lines for protein production. We also offer GenCRISPR, our CRISPR/Cas9 based gene editing service to develop knockout and knockin cell lines. Our scientists are experts using traditional transfection and viral transduction methods of gene transfer into a wide range of cell lines. Process development is also available for industrial use.

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  1. High protein productivity: Based on gene optimization and large-scale selection, high-yield stable clones are delivered. For industrial purposes, follow-up process development is available to increase the protein expression to a production grade level.
  2. Ready-to-Assay cell lines: 170+ GPCR and ion channel cell lines validated on functional and/or binding assay platform are available for order as catalog products.
  3. Strict stability testing: Well-controlled passage stability test guarantees the reliable performance of cell line for protein production and cell- based assay.
  4. One-stop service platform: GenScript can take your project directly from gene synthesis, to further stages including recombinant protein expression, stable cell line for assays, antibody production, and assay development.
For Protein Production Grade Stable Cell Lines

For Assay Grade Stable Cell Lines

For Gene Edited Knock-out, Knock-in Custom Cell Lines

Stable bioproduction cell line

  • Transient expression evaluation
  • MTX amplification
  • Stability screening



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CellPowe™ Lentiviral based stable cell line service.

  • Available as stable pool or single-cell clone
  • Guaranteed expression validated by functional analysis

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GenCRISPR™ custom gene edited cell line development.

  • Knock-outs and knock-ins of any gene in any cell line
  • Target sequence validated
  • Functional validation available

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Advanced stable bioproduction cell line – Above cell line production plus upstream process development:

  • Medium selection
  • Physical compatibility experiment
  • Feed supplementation
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Traditional, non-viral transfection based stable cell line service.


  • Stability testing
  • Functional analysis of clones
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