This case study explores a dual-platform potency assay strategy for multivalent LNP-mRNA vaccines, combining ELISA and flow cytometry to assess both mRNA expression and delivery performance. It highlights key analytical challenges and provides practical insights to support robust, scalable, and regulatory-ready potency testing.
Download our technote, Clarifying Suitability Testing: A Common Source of Misunderstanding in Regulated Assay Work, to better understand the distinct roles of method suitability, matrix effect evaluation, and system suitability testing (SST) in regulated analytical workflows. This resource explains how these tests differ, where they overlap, and how they should be applied to meet FDA, EMA, and ICH requirements...
Download our technote, Successful Development of Cell-based Potency Assays, to explore the essential role of potency assays in evaluating the biological activity of complex therapeutics, including cell and gene therapy products. This comprehensive guide draws on our extensive experience designing and validating custom potency assays, offering practical insights into assay formats, MOA selection, and relative potency determination...
Dive into the comparison of quantitative PCR (qPCR) and digital droplet PCR (ddPCR), uncovering their strengths, limitations, and optimal applications. Backed by decades of experience, Avance Biosciences offers unparalleled expertise in both qPCR and ddPCR technologies, ensuring accurate results and compliance within regulatory environments. Discover the nuances between these methodologies and learn how to choose the right approach for your bioanalytical challenges...
This guide provides an in-depth look at GUIDE-Seq/iGuide, a key technique for assessing CRISPR-Cas9 on- and off-target effects in gene and cell therapy development. It explains how the method informs the selection of gRNAs, nucleases, and CRISPR conditions to maximize specificity and safety. Readers will also gain insights into the full workflow, from Cas9 cleavage to NGS analysis, supported by Avance Biosciences’ expertise as a licensed GUIDE-Seq service provider...
Explore the power of Next Generation Sequencing (NGS) for biologics development support with our latest whitepaper. Avance Biosciences is at the forefront of NGS testing, offering tailored solutions to support drug development initiatives and GMP manufacturing activities. Delve into real-world case studies, including CRISPR indel amplicon sequencing and insertion site studies, showcasing our expertise in assay development and validation...
Genome editing offers unprecedented precision, but off-target effects remain a key safety concern. GUIDE-Seq provides a high-throughput, genome-wide method to map CRISPR-Cas activity in living cells, enabling researchers to assess specificity and ensure safer gene-editing therapies...
To support IND-enabling studies, a biotech company needed precise measurement of in vivo gene-editing efficiency in preclinical rat tissues. Avance Biosciences delivered a fully validated NGS amplicon sequencing assay capable of detecting edits as low as 1%, enabling accurate quantification across multiple tissues and guiding data-driven development decisions.
When a gene therapy company needed to verify plasmid identity, purity, and integrity for an IND submission, Avance Biosciences delivered a validated NGS-based solution. The assay enabled low-level variant detection and trace contaminant analysis, supporting FDA compliance and lot release.
Avance Biosciences is a leading Contract Research Organization (CRO) and Contract Testing Organization (CTO) providing CGMP and GLP-compliant analytical and bioanalytical services to support drug development. From early discovery through clinical development and commercialization, we provide CGMP and GLP-compliant services tailored to your therapeutic modality and regulatory needs.
