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    • Machine Learning-Powered Optimization of a CHO Cell Cultivation Process

    Jannik Richter, Qimin Wang,Ferdinand Lange, Phil Thiel, Nina Yilmaz,Doerte Solle, Xiaoying Zhuang,Sascha Beutel

    BIOTECHNOLOGY AND BIOENGINEERING（2025）

    Leibniz Univ Hannover

    Cited 0|Views1
    Abstract
    Chinese Hamster Ovary (CHO) cells are the most widely used cell lines to produce recombinant therapeutic proteins such as monoclonal antibodies (mAbs). However, the optimization of the CHO cell culture process is very complex and influenced by various factors. This study investigates the use of machine learning (ML) algorithms to optimize an established industrial CHO cell cultivation process. A ML algorithm in the form of an artificial neural network (ANN) was used and trained on datasets from historical and newly generated CHO cell cultivation runs. The algorithm was then used to find better cultivation conditions and improve cell productivity. The selected artificial intelligence (AI) tool was able to suggest optimized cultivation settings and new condition combinations, which promised both increased cell growth and increased mAb titers. After performing the validation experiments, it was shown that the ML algorithm was able to successfully optimize the cultivation process and significantly improve the antibody production. The best results showed an increase in final mAb titer up to 48%, demonstrating that the use of ML algorithms is a promising approach to optimize the productivity of bioprocesses like CHO cell cultivation processes clearly.
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    Key words
    antibody production,artificial neural network,bioprocess optimization,CHO cells,machine learning
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