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Veterinary Therapeutic Antibody Discovery

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Target Screening Antibody Preparation Antibody Characterization Antibody Engineering Why Choose Us?

Veterinary therapeutic antibodies improve animals' life quality and health. BioVenic offers the full service for veterinary therapeutic antibody discovery, assisting in developing and screening antibodies for treating animal diseases. Our antibody discovery services include screening antibodies from various antigen sources, such as pathogens or biomarkers, followed by further optimization and evaluation to identify promising therapeutic candidates.

Fig.1 Three platforms for therapeutic antibody preparation. (Zhang, 2017)Fig.1 Three platforms for therapeutic antibody preparation 1

Target Screening

Target screening is a crucial step in veterinary therapeutic antibody development, helping identify the most suitable molecules or cellular structures as the optimal targets for therapy. BioVenic utilizes a variety of emerging technologies for veterinary therapeutic antibody target screening services, ensuring that chosen targets exhibit high specificity and biological significance.

Services Description Procedure
CRISPR Library Screening Combining CRISPR-Cas9 gene editing technology and high-throughput screening methods. A large number of genes are simultaneously interfered with or knocked out in a cell or organism to identify the function of a specific gene.
  • gRNA library design.
  • gRNA oligo synthesis.
  • gRNA library construction.
  • gRNA library delivery and functional screening.
  • NGS sequencing and downstream data analysis.
siRNA Library Screening siRNA can be targeted to inhibit or reduce the expression of specific genes. siRNA molecules are introduced to silence or reduce the expression of target genes on a target-by-target basis to understand their functions.
  • Preliminary screening of siRNA library.
  • Re-screening.
  • Downstream functional validation.
NGS single-cell sequencing Ability to study the different biological properties of individual cells in complex tissues and to understand different cell subpopulations and their biological functions.
  • Isolation and preparation of single cells.
  • Extraction and amplification of genetic material.
  • High-throughput sequencing of genetic material.

Antibody Preparation

BioVenic has established multiple platforms for antibody preparation in veterinary therapeutic antibody discovery. Our platforms include hybridoma, phage display, and single B technology, addressing the unique challenges of veterinary therapeutic antibody discovery.

Platforms Advantages Limitations
Hybridoma Platform
  • Mature technology.
  • Cost-effective.
  • Long cycle time.
  • Low fusion rate.
  • Caninization and felinization required.
Single B Cell Platform
  • No need for hybridoma fusion.
  • Short preparation cycle.
  • Natural pairing of heavy and light chains.
  • No need to synthesize genes.
  • Direct access to antibodies for each species.
  • Need for fresh samples.
  • Low percentage of antigen-specific cells.
  • Strict operating environment.
Phage Display Platform
  • Flexible gene sources.
  • No immune tolerance.
  • Long period stored.
  • Unnatural pairing of heavy and light chains.
  • Demonstration efficiency with preference.
  • Need for functional validation.

Antibody Characterization

BioVenic offers structural and functional characterization services for the initial screened veterinary therapeutic antibody samples obtained in the preparation. From the multi-level structure of the protein to antigen and antibody interaction, BioVenic provides various analytical methods to offer relevant information, aiding in the selection of suitable candidates for veterinary therapeutic antibodies with the desired treatment effects.

Services Targets Methods
Structural Characterization Primary Structure
  • Liquid Chromatography-Mass Spectrometry (LC-MS)
Secondary and Higher-Order Structures
  • Circular Dichroism Spectroscopy (CD)
  • Fourier Transform Infrared Spectroscopy (FTIR)
  • X-Ray crystallography
  • Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS)
Post-Translational Modification
  • Collision-Induced Dissociation (CID)
  • High-Energy Collision Dissociation (HCD)
Functional Characterization Antigen-antibody Interaction
  • ELISA
  • SPR-based assays
  • Fluorescence-activated cell sorting (FACS)
Cellular Function
  • Cell Proliferation Assays
  • Cell Apoptosis Assays
  • Antibody Endocytosis Assays
  • Cytokine Assays

Antibody Engineering

Reducing its immunogenicity in animals and enhancing its effectiveness are key issues that need to be addressed for veterinary therapeutic antibodies. BioVenic provides antibody engineering services to address these concerns. Through our antibody caninization and felinization services, veterinary therapeutic antibodies have lower immunogenicity. And our antigen affinity maturation services avoid a potential decrease in antigen affinity during caninization and felinization. We also provide Fc engineering modification services, extending veterinary therapeutic antibody half-life.

Why Choose Us?

State-of-the-art technology and equipment, high-quality animal models, and professional staff enhance the success rate of your project.

A full-service platform to facilitate the veterinary therapeutic antibody discovery process.

Multiple assays and detection methods to provide you with a more personalized experience.

The process of discovering veterinary therapeutic antibodies is complex and diverse, given the intricacies of their structures and functions. With involvement in numerous antibody discovery projects and extensive experience, BioVenic offers a comprehensive range of veterinary therapeutic antibody discovery services to accelerate the progression of veterinary therapeutic antibody development. If you're interested in our services, contact us now!

Reference

  1. Zhang, Zaibao, et al. "Advances in the isolation of specific monoclonal rabbit antibodies." Frontiers in Immunology 8 (2017): 494.
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