Stable Cell Line Development Service


Reliable
Reproducible
Ready for your research

A Proven, Streamlined Workflow for Stable Cell Line Generation

A standardized lentivirus-based workflow for stable cell line generation, enabling efficient integration and consistent, reproducible expression across diverse cells

Vector Design, Cloning & Production

Design & construct a vector for transgene overexpression or gene silencing (via shRNA, shRNAmir, gRNA, miRNA, or TuD RNA), incorporating a selection marker, followed by viral particle production for efficient delivery

WEEK 1~2

Cell Transduction & Selection

Infect target cells, HEK293, CHO. HeLa or custom, with lentivirus under optimized conditions, followed by antibiotic selection to enrich cells with stable genomic integration

WEEK 3~4

Clonal Isolation & Expansion

Isolate single-cell–derived clones (e.g., limiting dilution or sorting) and expand them to establish uniform cell populations

WEEK 5~6

Screening, Validation & QCs

Assess expression levels via RT-qPCR, Western Blot, verify functional performance, and confirm long-term stability before generating a master cell bank

WEEK 7

Why SignaGen?

Reasons customers trust us for stable cell generation


Proven Stable Cell Expertise

10+ years of excellence | 7,000+ scientific citations | 100+ off-the-shelf stable cell lines

Cost-Effective & Affordable

We match competitor pricing and offer an additional 10% discount. For example, 3×10⁶ stable cells are priced at $3,569

Customizable formats & Scalable

Final deliverables at 3×10^6 to 3×10^8 stable cells in stable pool or single-cell clone format

Fast Turnaround

~7 weeks for standard turnaround with expetided service available

Rigorous Quality Validation

RT-qPCR or Western Blot Validation

Assess transgene overexpression or knockdown at the RNA and/or protein level

Stability Testing

Monitor expression over multiple passages to confirm long-term stability

Safety Testing

Ensure cultures are free of mycoplasma contamination and RCL

Technical Benchmarks

  • Genetic Stability: Stable genomic integration & clonal homogeneity
  • Expression Consistency: Expression level over time (≥10–20 passages) & low cell-to-cell variability
  • Selection & Clonality: Antibiotic resistance stability & single-cell cloning confirmed
  • Turnaround: ~7 weeks with expedited option available

We price-match competitors & provide an additional 10% discount

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