Resources Blog Navigating the Landscape of Antibody Discovery: Technologies and Trends

Navigating the Landscape of Antibody Discovery: Technologies and Trends

Biointron 2024-03-17 Read time: 7 mins
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The realm of antibody discovery is a cornerstone in the advancement of medical research and therapeutic interventions. Antibodies, with their unique ability to target specific antigens with high precision, have revolutionized the treatment of a wide array of diseases, including cancer, autoimmune disorders, and infectious diseases. The evolution of antibody discovery technologies over the years has significantly enhanced the development of therapeutic antibodies, improving their safety, efficacy, and accessibility to patients worldwide.


Technologies in Antibody Discovery

1. Hybridoma Technology

Introduced in the 1970s, hybridoma technology was the first method to enable the production of monoclonal antibodies. This technique involves immunizing a mouse with an antigen to trigger an immune response, followed by the fusion of the mouse's spleen cells with myeloma cells to create hybrid cells, or hybridomas. Each hybridoma secretes a specific monoclonal antibody, which can be identified and harvested. This technology's significance lies in its ability to produce large quantities of identical antibodies, which are crucial for research, diagnostic, and therapeutic applications. However, the limitations include the complexity of the process and the ethical considerations regarding animal use. 

2. Phage Display

Phage display technology, recognized with a share of the 2018 Nobel Prize in Chemistry for its applications in peptides and antibodies, has been instrumental in the discovery and development of humanized and fully human antibodies. By inserting a gene encoding an antibody or peptide into a bacteriophage, researchers can screen vast libraries for those that bind to a specific target. This technology has facilitated the rapid identification of antibody candidates with high specificity and affinity, leading to the development of several FDA-approved therapeutic antibodies, including the first fully human antibody, adalimumab (Humira). 

3. Yeast Display

Yeast display technology is a powerful platform for antibody engineering and discovery. It utilizes yeast cells to express proteins, including antibodies, on their surface. Similar to phage display, yeast display allows for the screening and selection of antibodies with high affinity for their targets.  One advantage of yeast display is the ability to perform post-translational modifications on displayed antibodies, which can be crucial for proper function. Additionally, while the library sizes tend to be smaller than phage display, yeast display can be particularly useful for identifying antibodies that are difficult to isolate using other methods due to its ability to handle complex protein structures.   

4. Single B Cell Technologies

Single B cell technology represents a significant leap forward in antibody discovery. By isolating specific B cells from an individual, scientists can directly obtain the genetic information needed to produce monoclonal antibodies, bypassing the need for hybridoma formation. This method is valuable because it allows researchers to access the diversity of the immune response present within a single B cell, which can be crucial for developing treatments against various targets, including rapidly evolving pathogens.   

5. Computational Approaches

The integration of computational methods has significantly accelerated the identification and optimization of antibody candidates. Algorithms and machine learning models are becoming increasingly adept at predicting antibody structure, function, and binding affinity. This allows researchers to prioritize promising candidates and reduce the need for extensive experimental screening. Additionally, computational tools can design novel antibody sequences with desired properties, opening new avenues for therapeutic antibody development. It's important to note that computational methods are still evolving, and experimental validation remains a crucial step in antibody discovery.  


Trends in Antibody Discovery 

1. High-Throughput Screening

High-throughput (HTP) screening technologies have revolutionized the efficiency of antibody discovery, allowing researchers to rapidly test millions of antibody variants for their binding properties. Advances in robotics, microfluidics, and imaging have contributed to this trend, significantly reducing the time and cost associated with identifying promising antibody candidates. For example, Biointron’s HTP VHH (single-domain) antibody discovery platform takes only two weeks to complete.  

2. Multi-specific Antibodies

The development of multi-specific antibodies, capable of binding to more than one antigen simultaneously, has opened new possibilities for targeted therapies. These innovative molecules can engage multiple pathways involved in diseases, offering potential for more effective treatments with fewer side effects. Biointron has produced tens of thousands of bispecific antibodies, and we take pride in our ability to cater to any client request, offering a wide array of formats in bispecific antibody production. 

3. Next-Generation Sequencing (NGS)

Next-generation sequencing has transformed the understanding of the antibody repertoire, providing unprecedented insights into the diversity and evolution of antibody responses. NGS technologies enable the deep sequencing of B cell populations, facilitating the discovery of rare but therapeutically relevant antibodies. 

4. Artificial Intelligence and Machine Learning

Artificial intelligence and machine learning are playing an increasingly pivotal role in antibody discovery, from predicting antigen-antibody interactions to optimizing antibody designs. These technologies have the potential to streamline the discovery process, identify novel targets, and generate antibodies with enhanced properties. 


The landscape of antibody discovery is evolving rapidly, driven by technological innovations and a deeper understanding of the immune system. These advancements are not only expanding the toolkit available for antibody discovery but also paving the way for the next generation of antibody-based therapeutics. As we continue to navigate this complex landscape, the promise of more precise, effective, and accessible treatments for a myriad of diseases lies on the horizon, marking a new era in medical science and patient care.

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