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深度学习模型可预测细胞每分钟发育变化 为构建“数字胚胎”奠定基础
Ke Ji Ri Bao· 2025-12-26 00:37
Core Insights - A collaborative team from MIT, the University of Michigan, and Northeastern University has introduced a geometric deep learning model named "MultiCell," which predicts cellular behavior during fruit fly embryonic development at single-cell resolution [1][2] - The model utilizes four-dimensional whole-embryo data with sub-micron resolution and high frame rates, containing approximately 5,000 labeled cell boundaries and nuclei [1] - "MultiCell" is the first algorithm capable of predicting various cellular behaviors with single-cell precision during multicellular self-assembly, showing potential for early diagnosis and drug screening [2] Group 1 - The "MultiCell" model can predict the behavior changes of each cell every minute during the embryonic development process [1] - The model achieved about 90% accuracy in predicting cell connection loss and demonstrated high accuracy in predicting cell invagination, division, or rearrangement behaviors [2] - The method is compared to AlphaFold, which predicts protein structures from amino acid sequences, highlighting the complexity of embryonic development compared to protein folding [1] Group 2 - The model was trained on three embryonic videos and then applied to predict the evolution of a fourth new embryo [2] - Future enhancements may include integrating gene expression and protein localization data to provide a more comprehensive understanding of the interaction between physical and biological information [2] - The development of a universal multicellular developmental prediction model could lead to the creation of "digital embryos" for drug screening and guiding artificial tissue design [1]