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Home»ADOPTION NEWS»Innovative Antibody Development: AlphaBind Leverages NVIDIA and AWS
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Innovative Antibody Development: AlphaBind Leverages NVIDIA and AWS

By Crypto FlexsDecember 4, 20243 Mins Read
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Innovative Antibody Development: AlphaBind Leverages NVIDIA and AWS
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Yorg Healer
December 4, 2024 10:24

AlphaBind, developed by A-Alpha Bio, seeks to revolutionize biologics development by improving antibody-antigen binding prediction using NVIDIA and AWS technology.





Antibodies have become the cornerstone of therapeutic development, primarily due to their precision in targeting specific antigens. This specificity allows them to effectively treat a variety of diseases, including cancer and autoimmune diseases, while minimizing off-target effects. According to recent studies, monoclonal antibodies (mAbs) have quickly emerged to the forefront of biologic drug approval, with the FDA approving approximately 30 new mAbs per year from 2018 to 2023.

Challenges of antibody modeling

Despite their therapeutic potential, antibody modeling remains a complex challenge. Antibodies have highly variable regions known as complementarity-determining regions (CDRs) that can bind to a variety of targets. This variability complicates structural predictions, as existing models such as AlphaFold are optimized for proteins with more stable structures.

AlphaBind’s innovative approach

A-Alpha Bio, in collaboration with NVIDIA, has launched AlphaBind, a domain-specific model designed to predict and optimize antibody-antigen binding affinity. AlphaBind leverages high-throughput experimental data combined with machine learning techniques to train models. The model architecture integrates ESM-2nv embeddings processed through a transducer network to predict binding affinity.

Data generation and model training

AlphaBind’s training process involves generating large-scale affinity data sets using yeast display libraries and next-generation sequencing on A-Alpha’s AlphaSeq platform. The model uses transfer learning, first pre-trained on a broad dataset and then fine-tuned on specific data tailored to maternal antibodies.

Optimization and verification

This model uses stochastic greedy optimization to improve antibody binding affinity and runs numerous optimization trajectories to suggest beneficial mutations. The best candidates are validated through high-throughput affinity measurements and biolayer interferometry to identify improvements.

Technical support from NVIDIA and AWS

AlphaBind benefits from technology integration with NVIDIA and AWS. It uses NVIDIA’s BioNeMo framework and H100 GPUs for training and inference, while AWS’s cloud infrastructure facilitates rapid deployment and scalability. This model is also accessible through AWS HealthOmics, improving workflow orchestration for biological researchers.

Impact and future directions

AlphaBind has demonstrated remarkable results in generating thousands of high-affinity candidates and maintaining sequence diversity. However, further advances in data collection and deep learning are needed to achieve generalized models capable of zero-shot antibody engineering. The integration of NVIDIA’s AI models with AWS’s cloud capabilities will continue to drive innovation in biologics discovery.

Please visit the source for more details.

Image source: Shutterstock


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