Cell Line Characterization Service

Creative Biolabs delivers a comprehensive, data-driven qualification of your master, working, and research cell banks. We assure identity, genetic stability, and freedom from contaminants, adhering to stringent international standards. Clients gain scientifically sound, ICH Q2-validated, and audit-ready data packages, which significantly de-risk manufacturing and accelerate the quality review phase of regulatory submissions by verifying cell line integrity and compliance from day one.

Introduction What We Can Offer How We Can Help Why Creative Biolabs Customer Reviews FAQs Contact Us Related Services

Introduction of Cell Line Characterization

Cell line characterization is a key step in ensuring the safety of biopharmaceutical products to confirm the identity, purity, genetic stability, and tumorigenicity of cell lines. This characterization can ensure that the source of the cell line is authentic and free from contamination, undesirable cells, and foreign factors such as bacteria, fungi, mycoplasmas, mycobacteria, and viruses. International regulatory guidelines such as ICH (Q5A, Q5B, Q5D), EP, and USP for cell lines characterization mainly focus on three areas:

  1. Source history and generation of cell lines
  2. Establish characteristics and tests of cell line identity, purity, and genetic stability
  3. The banking procedures of the cell line.

Discover how we can help - Request a consultation.

Fig.1 Phenotypic characterization of DLBCL and prognostic impact. (OA Literature)Fig.1 Characterization of diffuse large B-cell lymphoma cells. 1

What We Can Offer

According to the document ICH Q5D 'Quality of Biological Products: Derivatives and Characterization of Cellular Substrates for the Production of Biotechnology/Biological Products', Creative Biolabs performs cell bank characterization on the following cell lines:

Cell Line Characterization Tests Available

Eukaryotic Cell Line Characterization

  • Identity Testing
  • RAPD Assays (Random amplified polymorphic DNA)
  • Electron Microscopy Analysis
  • Sterility Testing
  • Mycoplasma Testing
  • Virus Specific Assays
  • In Vivo Virology Assays
  • In Vitro Virology Assays
  • Retrovirus Testing
  • Mycobacterium Assays
  • Nucleic Acid Sequencing Services
  • Genetic Stability Assays
  • Bovine/Porcine Assays
  • Tumorgenicity
  • Oncogenicity

Prokaryotic Cell Line Characterization

  • Gram Stain
  • Culture
  • RAPD Assay
  • Antibiotic Resistance Test
  • Plasmid Sequencing
  • Purity Test
  • Infectious Titer and Viability Test
  • Genetic Stability Test
  • Retention of Recombinant Construct
  • Copy Number Determination
  • Restriction Map Analysis
  • API 20
  • Bacteriophage Test
  • DNA Sequence Analysis
  • Metabolic Mapping

How Creative Biolabs Can Help

Core steps of the cell line characterization process. (Creative Biolabs Original)

Highlights

Master Cell Integrity

We ensure the stability of your production platform by verifying the genetic consistency of the MCB and subsequent WCB. Our analysis confirms low passage numbers and maintains the single master cell line integrity.

Molecular Fingerprinting

Creative Biolabs provides definitive identity confirmation through rigorous short tandem repeat (STR) profiling and DNA fingerprinting. This legally defensible evidence guarantees the authenticity of your cell line and prevents costly cross-contamination incidents.

Service Features

Comprehensive Purity Testing

We conduct extensive purity testing, including highly sensitive screens for Mycoplasma, viruses, and fungi detection. This essential quality control step secures the long-term safety and sterility of your cell banks against critical adventitious agents.

Audit-Ready Documentation

Our documentation is built for global compliance, incorporating ICH Q2-validated assays. This guarantees your data package is scientifically robust, acceptable to regulators, and dramatically accelerates the quality review process.

To discuss your specific cell bank hierarchy and the minimal required testing for each stage. - Get a quote today.

Customer Reviews

FAQs

Which stages of my cell line development require full characterization, and what's the difference?

Full, exhaustive characterization is primarily required for the MCB. However, the WCB, the RCB, and cells at the limit of in vitro cell age (LIVCA) also require specific, tiered testing. LIVCA testing is crucial for demonstrating that the cell line remains genetically stable throughout the entire manufacturing lifespan.

What is the biggest precaution I should take before submitting my MCB for characterization?

The biggest precaution is ensuring your cell bank is free of mycoplasma contamination and that you have a clear, accurate record of the cell line's passage history. Mycoplasma contamination is the most common reason for project delays. We recommend pre-screening for mycoplasma using our high-sensitivity qPCR before formal CLC begins.

How to Contact Us

Eukaryotic and prokaryotic cell banks represent a huge potential value throughout the life of the product. With years of experience, Creative Biolabs' cell bank characterization ensures that your biological production process complies with international guidelines.

For more details, please feel free to contact us for project quotations and more detailed information.

Related Services

Cell Line Development
Cell Banking
Cell Culture Process Development
Purification Development
Formulation Development
Process Development
Analytical and Bioassay Quality Control
Contamination Testing
Viral Clearance Studies
Biosafety Testing
Lot Release Testing
Stability Analysis

Reference

  1. Devin, Julie et al. "Phenotypic Characterization of Diffuse Large B-Cell Lymphoma Cells and Prognostic Impact." Journal of clinical medicine vol. 8,7 1074. 22 Jul. 2019. Distributed under an Open Access license CC BY 4.0, without modification. https://doi.org/10.3390/jcm8071074
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