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Magic™ Therapeutic Antibody Discovery Service

MTADP Services Repertoire Analysis Published Data Resources

MTADP Services

As a pioneer and undisputed global leader in antibody discovery and manufacture, Creative Biolabs offers Magic™ Therapeutic Antibody Discovery Platform (MTADP) to obtain all possible high affinity antibodies in immunized animals. MTADP is an exclusive high-throughput antibody generation method, especially applicable for therapeutic antibody development with the best manufacturability.

Fig. 1 Selected approved and clinical-stage antibody-based therapeutics for oncology. (Paul J. Carter, 2022)Fig. 1 Selected approved and clinical-stage antibody-based therapeutics for oncology. (Paul J. Carter, 2022)

For diagnostic and therapeutic antibody production, the only way to get good antibodies with all the required properties is to have a large number of antibody candidates first. It is very common that a good antibody pair can only be discovered from 100–300 regular binders raised using different methods in different animals, thus have very diverse properties and sequences. However, traditional hybridoma technology cannot do this job efficiently and cost-effectively.

MTADP is all about time to results: the more antibodies you can get from the screening, the more and more reliable functional antibodies you can send for downstream assessment. Comparing to traditional antibody development using hybridoma, which can only provide several unique antibody sequences for each target, MTADP is more efficient and more promising for functional therapeutic antibody development. Through this powerful platform, a large number of antibody candidates specific to the target can be isolated at one time, in a number of 105-7. Once antibodies targeting different epitopes with different affinity and specificity are obtained, we are able to quickly and precisely identify the clones with the highest affinity and specificity. In combination with our high quality pre-made human antibody libraries, up to 300 unique high specific antibodies with affinities (KD) in the sub 10 pM range against the target are able to be discovered using this exclusive platform. In addition, these antibodies have the best manufacturability for diagnostic and therapeutic applications, overcoming the potential problems of antibody drug development such as protein aggregation, and asparagine deamidation. We guarantee that the endotoxin free antibodies generated are fully functional and ready to use in animal-based assays and clinical trials.

Featured properties of the MTADP service:

Timeline:

Deliverables:

Deliverables for each clone include:

Magic™ Repertoire Analysis

Magic™ Antibody Repertoire Analysis

Magic™ Antibody Repertoire Analysis

  • Integration of next generation sequencing (NGS) and bioinformatics in parallel
  • Sequencing of diverse antibody repertoires at a rate of millions of clones per hour
  • High-fidelity analysis of the full-length paired heavy- and light-chains expressed by individual B cells
  • Analysis of Fab repertoire, scFv repertoire, and VHH repertoire

Magic™ Bioactive Peptide Discovery

Magic™ Bioactive Peptide Discovery

  • High-throughput
  • High affinity
  • Up to 300 unique binders
  • Fast result

Magic™ Peptide Repertoire Analysis

Magic™ Peptide Repertoire Analysis

  • Combined with the phage display platform
  • Custom peptide binder selection and epitope mapping
  • Optimized sequencing analysis method

Magic™ BCR Repertoire Analysis

Magic™ BCR Repertoire Analysis

  • Comprehensive BCR repertoire from the RNA of either humans or mice
  • Specific capture primers
  • High fidelity amplification method
  • Advanced high-throughput sequencing platform

Magic™ TCR Repertoire Analysis

Magic™ TCR Repertoire Analysis

  • Comprehensive TCR repertoire from the RNA of either humans or mice
  • Specific capture primers
  • High fidelity amplification method
  • Advanced high-throughput sequencing platform

Magic™ Quantitative Immune Repertoire for Small Lymphocytes

Magic™ Quantitative Immune Repertoire for Small Lymphocytes

  • Qualitative and quantitative BCR/TCR profiling
  • Special for small lymphocyte populations, such as Ag-specific, tissue-resident cell subsets, microdissection, or fine needle aspirates.
  • Based on UMIs
  • Low amount of sample input

Published Data

Fig. 2 Overall IgM (A) and IgT (B) repertoires across the three torafugu. (Xi Fu, 2018)Fig. 2 Overall IgM (A) and IgT (B) repertoires across the three torafugu. (Xi Fu, 2018)

Teleost fish are the most primitive bony vertebrates containing immunoglobulins (Igs). This kind of fish has Ig gene rearrangement, junctional diversity during recombination and somatic hypermutation. In this study, scientists chose to analyze and characterize the antibody library of torafugu (Takifugu rubripes) and obtained 1200 million expressed antibody sequences from three healthy adult torafugu. The evidence found in the study shows that, in addition to the convergence and evolution of CDR-H3 sequences in IgM and IgT, the repertoire of individual fish is highly biased towards sequences with specific VDJ combinations. They also observed different components of IgM and IgT, which may indicate different mechanisms for diversity creation in the naïve immune system of fish. The experimental data in this study provide a window for understanding the mechanism of Ig diversity creation and enable scientists to better understand B cell clone selection.

References
  1. Carter PJ, Rajpal A. Designing antibodies as therapeutics. Cell. 2022 Jul 21;185(15):2789-2805. doi: 10.1016/j.cell.2022.05.029. PMID: 35868279..
  2. Fu X, et al. High-Throughput Sequencing of the Expressed Torafugu (Takifugu rubripes) Antibody Sequences Distinguishes IgM and IgT Repertoires and Reveals Evidence of Convergent Evolution. Front Immunol. 2018 Feb 21;9:251. doi: 10.3389/fimmu.2018.00251. PMID: 29515575; PMCID: PMC5826340.

Resources

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

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