Cell Line Development

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Overcome Bottlenecks in Your Cell Line Development

Despite technological strides, critical bottlenecks persist in cell engineering, particularly in generating single-cell clones. Conventional single-cell isolation techniques, including limiting dilution and single-cell dispensing, though cost-effective, pose significant biological and technical challenges:
Poster

Accelerating Generation of Single Cell Clones

poster accelerating generation of single cell clones
"At Colossal Biosciences, we only work with non-model organisms and primary cells and cell lines that haven’t been studied before. These cells often fail to grow out after monoclonal isolation using flow sorting. In the few months since adopting the CellRaft, we have isolated thousands of validated monoclonals from elephants, canids and deer with consistent outgrowth efficiencies."
Dr. Sven Bocklandt
Species Director at Colossal where he is leading a team of genome engineers and cell biologists focused on bringing back extinct animal species.
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The Solution: CellRaft Technology

The CellRaft AIR® System stands out as the preferred platform for accelerating cell line generation due to its unique features, including:

It utilizes the CellRaft® Array, a specialized culture dish enabling the screening of thousands of cells while preserving single-cell segregation.

This approach boasts several advantages:

The capability to screen thousands of cells on a single culture dish is a significant advancement, allowing for more efficient and rapid screening.
Providing track-and-trace image proof of monoclonality ensures that the cell population consists of single clones—a pivotal factor for experiments and downstream applications. Visit our Cell Atlas page to view this feature. We have tested more than 100 cell lines.
Isolating entire clones rather than individual single cells streamlines downstream processes and leads to higher viability outcomes.
Emulating flask-like culture conditions within the CellRaft Array—where cells share media and growth factors—replicates the natural growth environment for cells.

The absence of fluidics or pressure in the isolation process, coupled with the isolation of entire clones rather than individual cells, minimizes cellular stress and damage during the transition to the 96-well collection plates.

The Solution CellRaft Technology
Flask-like Culture Conditions + Single-cell Separation + Image-based, Software-guided Selection = Automated Retrieval of High Vitality Cells, Colonies, or Organoids
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The Proof

CellRaft Technology revolutionizes cell line isolation by enabling the creation of healthy, monoclonal cell lines in a cost-effective manner that surpasses the traditional Limiting Dilution method (Visit our No Limiting Dilution page). With CellRaft Technology, standard single-cell isolation workflows are completed significantly faster, reducing consumables and media requirements by over 80%. 

Time-Course Imaging for Track and Traceability for Audit Trail

Time-course imaging is a key feature of the CellRaft AIR System. After cells are seeded on the CellRaft Array, the array is serially scanned at the desired frequency to capture complete growth records of clonal development. All scans are automatically stored in a single data record for easy image analysis and permanent record keeping.
HEK 293T
CHO K1
HeLa e1674508095108
CD34 Bone Marrow

Increase Clone Outgrowth Efficiency

Single cells are grown in a flask-like environment, without physically separating them, eliminating perturbation to cell physiology and ensuring the viability and vitality of single cells as they develop into clones.
Proof Figure6
Clonal outgrowth efficiency of CHO-K1 cells in n=3 96-well plates using Limiting Dilution, CellRaft AIR 100S and 200S formats.

Timelines in Traditional CLD Workflow & Automation Technologies

Current platforms in cell line development workflow do not offer an integrated, easy to use, highly scalable device to clone, image, expand, and screen. Most of the current platforms are forced to work in tandem rather than as a single unit. This increases the number of unit operations and raises complexity, cost, time, rate of error, and increases the investment in record keeping. CellRaft Technology can help overcome these limitations.
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Save Time and Reduce Costs

Experimental and cost analyses including hands-on time to run the protocol between limiting dilution and CellRaft technology indicate that the latter delivers a high return on investment in terms of outgrowth efficiency, time, and cost.

FInal Table for LD Graph 1

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