
iPSC Release Testing
Our Expertise
Our state-of-the-art analytical platforms support the characterization of iPSCs through genomic integrity assessment, sterility and mycoplasma testing, pluripotency validation, and karyotyping. With expertise in GMP-compliant testing, we help you confidently advance your iPSC-based therapies from research to clinical use.
Key iPSC Services
Critical Quality Attributes
Assay
Description
Platform
Sterility
USP <71>
Culture-based Compendial Microbiology
Endotoxin
USP <85>
Biochemical-based Compendial Microbiology
Safety
Bioburden
USP <61>, <62>
Culture-based Compendial Microbiology
Mycoplasma
USP <63>
Culture-based Compendial Microbiology
Viral Testing
USP <1237>
Multiplex QPCR and/or Next-gen Sequencing (NGS)
Disease Marker Analysis (oncopanel, tumorigenicity)
Detect oncogenic and disease-associated mutations to assess tumorigenic risk. High-depth sequencing is used to ensure sensitive and comprehensive variant detection
Next-gen Sequencing (NGS)
Purity
Residual Vector Testing
Confirmation of presence and copy number of reprogramming vectors
qPCR / ddPCR
Residual Contaminating Cells
Determination of percentage of non-iPSC subsets in samples
Flow Cytometry
STR Profiling Analysis
Generation of STR profiles for source tissue/cells, iPSC seed, and Master Cell Bank
Capillary electrophoresis (CE)
Pluripotency Markers
Immunophenotyping of cells by flow cytometry using the standard hPSC panel (including OCT4, TRA-1-60, TRA-1-81, SSEA-3, SSEA-4, Sox2, Nanog, etc.)
Flow Cytometry
Identity/Genetic stability
Pluripotency Markers
Analysis of hPSC Scorecard Panel gene expression
qPCR
Cell Specific Markers
Assessment of additional cell markers as required
Flow Cytometry
Karyotype
Currently, not offering G-Banding. For alternative method, contact for more details.
Imaging
SNP Genotyping
High-resolution genomic profiling for verification of cell identity and contamination detection
Next-gen Sequencing (NGS)
HLA Typing
Typing of HLA loci for donor verification and immune compatibility assessment
Next-gen Sequencing (NGS)
Viability
Cell Count & Viability
Measurement of cell viability and quantification
NC200 Cell Counter
Doubling Time
Determination of cell population doubling time during culture
NC200 Cell Counter
Potency
Phenotypic Pluripotency
Development and validation of custom assays for potency determination; contact for details
Assays tailored to customer requirements and MOA-specific needs (e.g., qPCR, ddPCR, NGS, ELISA, LC-MS).
Molecular Pluripotency
Development and validation of custom cell-based potency assays; contact for further information
Assays tailored to customer requirements and MOA-specific needs (e.g., qPCR, ddPCR, NGS, ELISA, LC-MS).