The development of mRNA as a therapeutic modality has fundamentally redefined modern vaccinology. Offering unprecedented speed, flexibility, and a high degree of tunability, mRNA vaccines leverage the host cell's own machinery to produce the target antigen in situ, resulting in robust and comprehensive immune activation. CD BioGlyco is an expert biology specialist, pioneering high-quality, end-to-end solutions for mRNA-based vaccine development. Our services are designed to navigate the complexities of design, synthesis, purification, and delivery, ensuring your vaccine candidate progresses rapidly from concept to clinic. We are committed to translating groundbreaking immunological science into clinically relevant, high-performing drug products.
The success of any mRNA vaccine hinges on mastering two critical pillars: the integrity and translation efficiency of the mRNA molecule and the efficacy of the delivery system. We employ proprietary and industry-leading technologies to achieve superior product quality.
Vaccine development commences with antigen sequence design and optimization, including UTR and codon optimization, plus nucleoside modifications like m1Ψ to enhance expression. A high-quality DNA template is then prepared for the in vitro transcription (IVT) reaction, where mRNA is synthesized and capped. The crude mRNA is purified using chromatography and filtration to remove impurities such as DNA template, enzymes, and dsRNA. Subsequently, the mRNA is encapsulated into lipid nanoparticles (LNPs) via microfluidics, ensuring high encapsulation efficiency and stability, followed by sterile filtration. Finally, the product undergoes comprehensive analytical testing to confirm identity, purity, potency, and other critical quality attributes.
Expert computational and biological refinement of the mRNA sequence to enhance translational capacity, minimize secondary structure formation, and tune immunogenicity profiles.
High-quality, linearized plasmid DNA production for IVT. Includes sequence verification and removal of residual contaminants.
Incorporation of canonical and modified nucleosides, co-transcriptional or enzymatic capping, and precise polyadenylation to ensure superior performance and stability.
Multi-mode chromatographic separation and filtration to achieve exceptional purity, ensuring contaminants like dsRNA are below industry-leading thresholds for enhanced safety and efficacy.
Custom LNP composition screening, microfluidic manufacturing, and process development to optimize particle size, PDI, zeta potential, and encapsulation efficiency.
mRNA Integrity Analysis Service: Assesses the intactness of the full-length mRNA molecule, typically using capillary gel electrophoresis (CGE), to confirm a high percentage of non-fragmented product, crucial for successful translation.
mRNA Purity Analysis Service: Determines the overall purity of the mRNA substance by IP-RPLC and UV spectroscopy, quantifying product-related (e.g., truncated) and process-related impurities.
mRNA Length Analysis Service: Precise determination of the mRNA transcript length, often coupled with analysis of the poly(A) tail homogeneity, confirming product identity and consistency.
mRNA Residual Plasmid DNA Analysis Service: Highly sensitive qPCR assay to quantify trace amounts of the plasmid template DNA remaining after purification, a critical regulatory safety requirement.
mRNA Residual Protein Analysis Service: Quantifies residual IVT enzymes (e.g., T7 Polymerase) and host cell proteins (HCPs) remaining in the drug substance using ELISA.
mRNA 5' Cap Characterization Service: Detailed LC-MS/MS and HPLC analysis of the 5' end structure to identify and quantify the specific cap analog used and any related byproducts.
mRNA Sequence Analysis Service: Confirms the primary sequence identity of the mRNA transcript using Sanger sequencing or NGS, ensuring fidelity to the target antigen sequence.
mRNA Potency Analysis Service: Functional in vitro assay (e.g., cell-based expression assay) to measure the biological activity and dose-response of the mRNA, serving as a critical potency surrogate.
mRNA Capping Efficiency Analysis Service: Quantitative measurement of the percentage of mRNA molecules bearing the correct 5' cap structure, directly correlating with high translation yield.
mRNA Poly(A) Tail Length Analysis Service: Specialized enzymatic and electrophoretic methods to precisely determine the average length and distribution of the 3' poly(A) tail, a key stability CQA.
mRNA Residual DNA Template Analysis Service: Detailed quantitative analysis of DNA template carryover using droplet digital PCR (ddPCR) for highly accurate, ultra-low detection.
mRNA Residual Double-Stranded RNA (dsRNA) Analysis Service: Highly sensitive ELISA-based detection of dsRNA, a potent innate immune activator. Low dsRNA levels are paramount for a safe and effective vaccine product.
mRNA Size Analysis Service: Precise measurement of LNP hydrodynamic diameter using dynamic light scattering (DLS), ensuring optimal size for targeted cellular uptake.
mRNA Polydispersity Analysis Service: Determination of the homogeneity of the LNP size distribution (PDI value). A low PDI (e.g., < 0.2) indicates a stable, high-quality batch.
mRNA Zeta Potential Analysis Service: Measurement of the LNP surface charge, which is a key factor influencing stability, aggregation, and interaction with biological membranes.
mRNA Lipid Composition Analysis Service: Quantitative analysis of the four LNP components (ionizable, structural, cholesterol, PEGylated lipids) to confirm formulation accuracy and batch consistency.
mRNA Biodistribution Analysis Service: Tracking of the LNP-mRNA construct in vivo using labeled components or expression analysis (e.g., Luciferase assay) to determine the targeted and off-target tissue tropism.
T Cell Cytokine Secretion Analysis Service: Assessment of the cellular immune response (Th1/Th2) by measuring the secretion of key cytokines (e.g., IFN-γ, IL-2) from T cells using ELISpot or Luminex following vaccination.
Antibody Titer and Specificity Analysis Service: Quantitative ELISA/HAI to determine the magnitude and kinetics of the humoral immune response, measuring total binding antibody levels against the target antigen.
Neutralizing Antibody Assay Service: Functional gold-standard assays to measure the ability of induced antibodies to block the biological activity of the target pathogen or toxin, a key metric of vaccine efficacy.
Journal: Pharmaceutics
IF: 3.4
DOI: 10.3390/vaccines9020097
Published: 2021
Results: This review article provides a comprehensive update on the development of saRNA vaccines, a next-generation vaccine platform. It explains that saRNA vaccines maintain the advantages of conventional mRNA vaccines—such as rapid, cell-free manufacturing and modular design—but require a significantly lower dose because the RNA encodes its own replication machinery, leading to amplified antigen production within host cells. The authors detail the four critical pillars for saRNA vaccine design: antigen selection, vector engineering, delivery systems (notably lipid nanoparticles), and manufacturing processes. The article highlights the application of saRNA technology against various pathogens, including SARS-CoV-2, influenza, and HIV, and discusses ongoing clinical trials. It concludes that while saRNA vaccines hold immense promise for responsive pandemic control, challenges remain in optimizing stability, reducing required doses, and minimizing reactogenicity.
We partner with biopharma companies to design and optimize mRNA constructs targeting infectious diseases. Our research focuses on rapid antigen prototyping for seasonal pathogens (like influenza and RSV), emerging viruses, and neglected diseases, accelerating the early-stage development of vaccine candidates.
Our services support the research of mRNA-based cancer vaccines. We conduct preclinical studies on vaccines encoding tumor-associated antigens (TAAs) and neoantigens, providing partners with data on eliciting targeted immune responses for both personalized and off-the-shelf immunotherapy approaches.
We investigate the use of mRNA as a research tool for producing proteins in vivo. Our collaborative R&D efforts focus on modeling treatments for monogenic disorders, metabolic diseases, and other conditions where transient protein expression offers a potential research pathway.
Our platform is utilized to research bespoke therapeutic solutions. We work with partners to develop and test patient-specific vaccine regimens and study combination strategies with other agents in a preclinical setting to evaluate potential synergistic effects.
We conduct applied research to adapt mRNA technology for animal health. This includes the design and testing of vaccines for companion animals and livestock, supporting partners in developing solutions for veterinary diseases and zoonosis control.
Our research includes pioneering novel approaches where mRNA encodes therapeutic antibodies or immunomodulators. We perform proof-of-concept studies for this "passive immunization from within" strategy, providing partners with early-stage research data.
We specialize in aggressively reducing critical impurities. Our rigorous downstream process ensures exceptionally low levels of dsRNA (Residual Double-Stranded RNA), which correlates directly with reduced reactogenicity and enhanced translational performance.
Our integrated platform combines advanced sequence optimization and microfluidic LNP manufacturing under one quality system. This holistic approach dramatically shortens development timelines, allowing your program to move faster toward key milestones.
Beyond conventional mRNA, we offer tailored development of saRNA, which requires significantly lower doses due to its replication capability, maximizing therapeutic value. Our custom LNP library and formulation expertise ensure the best delivery vehicle for your specific application.
We have built a vertically integrated manufacturing platform designed for seamless scale-up from preclinical to commercial scales. Our processes are rigorously characterized and controlled, ensuring batch-to-batch consistency and reliable supply to meet your program's evolving demands.
Our investment in cutting-edge analytics goes beyond standard assays. We employ advanced techniques for deep structural characterization of mRNA and in-depth profiling of LNP critical quality attributes, providing you with an unparalleled level of product understanding.
Our commitment extends to continuous platform improvement. We actively pioneer novel lipid chemistries and formulation strategies aimed at enhancing targeting efficiency and broadening the therapeutic window for next-generation applications.
— Dr. Li, Principal Investigator, Vaccine Research Laboratory
— Manager Chen, Program Director, Infectious Disease Therapeutics
— Scientist K., Senior Research Scientist, Oncology Development Group
While our mRNA-based vaccine development service focuses on cutting-edge nucleic acid platforms, we recognize the continued importance of traditional vaccine approaches. For conjugate vaccine development, our One-stop Solutions for Polysaccharide Conjugation provide comprehensive support encompassing Carrier Protein design, Polysaccharide Antigen Production, and advanced Conjugation Technologies to create effective glycoconjugate vaccines.
CD BioGlyco offers an unparalleled, integrated mRNA-based vaccine development service, underpinned by expert knowledge, advanced LNP technology, and a commitment to delivering superior product purity and comprehensive analytical data. Contact us to advance the next generation of vaccines and nucleic acid therapies.
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