Cell Line Development

Cell line development (CLD) is the process of generating stable, high-performing cell lines, often to produce a therapeutic protein, antibody, or other cellular components.

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How Cell Lines are Developed

Cell line development is a multi-step process used to generate stable, high-performing production cell lines for biopharmaceutical applications. At CYTENA, this workflow is designed to support efficient, scalable, and reproducible development of cells used to produce therapeutic proteins, antibodies, and other biologics.

The process begins with the introduction of a gene of interest into a suitable host cell line, commonly CHO cells. Following transfection, cells are subjected to selection to isolate those that have successfully integrated the genetic material. These cells are then used for single-cell isolation to ensure each cell line originates from a single progenitor, guaranteeing clonality and genetic stability.

Individual clones are screened and evaluated based on key criteria such as productivity, growth performance, and product quality attributes. The best-performing candidates are selected, expanded, and further validated to establish robust master cell lines for downstream bioprocess development and manufacturing.

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Fully Automated Cell Line Development

Featured Workflow

With the C.STATION, you are able to fully automate entire cell line development workflows with our intuitively designed workstation. From single-cell cloning of transfected cells to selecting high-producing clones to upscaling, the C.STATION enables stable and reliable monoclonal antibody production.

1. Transfection / Minipools

2. Cloning into 384-well plates

Solution: C.STATION

3. Day-X imaging & confluency analysis

Solution: C.STATION

4. Hit-picking into 96-well plates

Solution: C.STATION

5. Cell count & early titer assay

Solution: C.STATION

6. Hit-picking into shaking 96-well plates

Solution: C.STATION

 

7. High-throughput fed-batch assay for clone selection

Solution: C.STATION

 

8. Clone expansion to 6-well plates

Solution: C.STATION

CLD for Monoclonal Antibody Production

Cell line development for monoclonal antibody (mAb) production requires highly efficient selection of stable, high-producing clones. At CYTENA, automated and high-throughput single-cell isolation technologies enable rapid identification and expansion of top-performing cells, supporting robust and reproducible antibody production workflows.

This approach helps establish high-quality production clones with >99.9% probability of clonal derivation, ensuring confidence in downstream bioprocessing and scalability.

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Monoclonal Antibody Production mAb
Gene-Therapy

Viral Vector Production for Gene and Cell Therapy

Cell line development for viral vector production plays a key role in enabling scalable gene and cell therapy workflows. Our automated and high-throughput single-cell isolation solutions support the rapid generation of clonally derived producer cell lines with consistently high viral titers.

This enables efficient and reproducible production of viral particles for gene delivery and gene editing across a wide range of target cell types, supporting robust downstream applications in advanced therapeutics.

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iPSC Cell Line Engineering for Cell Therapy Applications

Induced pluripotent stem cell (iPSC) engineering enables the development of stable, well-characterized cell lines for regenerative medicine and advanced cell therapy applications. Through precise clonal selection, iPSC lines can be generated with broad differentiation potential into clinically relevant cell types.

Our single-cell isolation workflows support efficient identification of high-quality iPSC clones, ensuring consistency, traceability, and confidence in downstream differentiation. This enables scalable development of iPSC-derived models for research and translational applications in cell therapy.

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Application Notes

APPLICATION NOTE

Combined Single-cell Dispensing and 3D Full Well Imaging for Cell Lines with >99.99% Probability of Monoclonality

How we ensure >99.99% monoclonality with double-verification methods of single-cell isolation.

 

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TECHNICAL NOTE

AI-powered Cell Count and VCD on the UP.SIGHT™ Single-cell Dispenser

Our bottom-well imaging and automated cell detection eliminates variability, operator bias, and limitations of manual or indirect VCD methods.

 

 

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APPLICATION NOTE

Fluorescence intensity-based isolation of single cells with assured clonality for CLD workflows

Showcasing the F.SIGHT™ as a reliable platform for fluorescence intensity-based single-cell isolation.

 

 

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APPLICATION NOTE

Streamlined Workflow for the Generation of CRISPR-edited Mesenchymal Stem Cell Clones for Regenerative Medicine Applications

Introducing a workflow with our single-cell dispensers compatibility for generating CRISPR-edited mSC clones.

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More Resources

BLOG

High-throughput vs. High-precision: Which CLD Strategy works for you?

In cell line development, speed and precision are often seen as opposing goals: but they don't have to be. In this blog, we explore how researchers are increasingly improving throughput while retaining high precision.

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WEBINAR

10× Faster VCD, One-Tenth the Pipette Tips: How AI Is Rewriting Cell Counting in CLD

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CUSTOMER SPOTLIGHT

Cellistic is using the CYTENA UP.SIGHT to generate monoclonal gene-edited iPSCs

Explore the Cellistic case

Solutions for Cell Line Development

C.STATION

Automate cell line development–integrating single-cell isolation, imaging and clone selection into one efficient, compliant workflow.

UP.SIGHT

Single-cell dispenser with fluorescence and plate imaging for double-assured monoclonality.

F.SIGHT

Dual-channel fluoroscent and brightfield sorting for precise isolation of labeled cells.

C.STUDIO

Centralized software of continuous clone tracking and image analysis.

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Frequently Asked Questions

What is Cell Line Development?

Cell line development is the process of engineering a chosen cell line, often to produce a therapeutic protein, antibody, or other cellular component.. Engineered cell lines are iteratively screened and validated to ensure >99.9 % probability of clonal derivation.

How do you develop a cell line?

The cell line development process follows a precise set of steps in order to develop a stable cell line for biopharmaceuticals development. First, the chosen host cell line, for example the chinese hamster ovary (CHO) cell line, is transfected with viral vectors encoding the recombinant protein. Following transfection, single cells that have been successfully transfected are isolated from the transfected pools. This step is followed by single cell cloning, and subsequent screening steps to ensure that the best clone with the highest cell viability and protein expression level is selected and validated for stability and product quality before expansion.

 



What Role Do Cell Lines Play In Biopharmaceutical Development?

Cell line development is a crucial first step across many areas of biopharmaceuticals. Stable cell lines expressing recombinant proteins of interest are required for the safe production of vaccines, are used for drug cytotoxicity testing, and for the production of therapeutic antibodies amongst other biologics. Now, the ability to fully automate the cell line development process is revolutionizing the world of biopharma and therapeutic research and development.