Scientists want to create an AI virtual cell
Generative AI could advance medical research


Studying the cell is a difficult and time-consuming process, but scientists have pinpointed generative AI as a potential way to make it easier. The idea is to develop an AI virtual cell that would behave the same way a real cell does. This would allow researchers to do medical experiments on the computer rather than on a live cell, making the process more efficient and more affordable.
The 'language of biology'
Improving our understanding of the cell could be groundbreaking for public health. The problem: "Experimenting in this microscopic realm can be a kind of guesswork; even success is frequently confounding," said The Atlantic. There are thousands of cell types that can have different reactions to different stimuli, including medicines and diseases, because "each cell type — be it a neuron, a muscle cell or a skin cell — expresses a unique set of genes," Jian Ma, a professor of computational biology and the director of the Center for AI-Driven Biomedical Research at Carnegie Mellon University, said to The Washington Post.
Due to the complexity of cells, cellular research can often take a long time, but the process could be expedited by using artificial intelligence to "decode the language of biology and then speak the language of biology," Eric Xing, a computer scientist at Carnegie Mellon University and the president of the Mohamed bin Zayed University of Artificial Intelligence, said to The Atlantic.
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Technology now offers "groundbreaking opportunities to create an AI virtual cell, a multi-scale, multi-modal large-neural-network-based model that can represent and simulate the behavior of molecules, cells and tissues across diverse states," said an article published in the journal Cell. An AI model could even have the ability to simulate entire organs.
However, for an AI cell model to be considered successful, it would need to "empower researchers to create universal representations across species and cell types," and "accurately predict cellular function, behavior and dynamics and comprehend cellular mechanisms," said Stanford University. It would also need to conduct experiments on a computer at a higher speed and lower cost than on an actual cell.
A 'mammoth project'
Technology is advancing rapidly, but creating an AI cell is still a difficult endeavor. It would require combining several foundation models of different biological functions into one model. "Scientists haven't figured out all of the necessary models, let alone how to assemble them," said The Atlantic. In reality, this is a "mammoth project, comparable to the genome project, requiring collaboration across disciplines, industries and nations, and we understand that fully functional models might not be available for a decade or more," said Emma Lundberg, an associate professor of bioengineering and pathology at Stanford University and the senior author of the Cell article.
While there are clear benefits to this technology, generative AI also has its drawbacks. It has been shown to reinforce humanity's implicit biases, especially in regard to gender and race. "Data from humans and model organisms, such as mice and Escherichia coli, are unequally represented in sequence and literature databases, which when used for training, encode strong species biases," said the Cell article. "Other biases, for example, in terms of sex, specific diseases or human ancestral populations could also reduce the impact of [AI virtual cell] models."
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Devika Rao has worked as a staff writer at The Week since 2022, covering science, the environment, climate and business. She previously worked as a policy associate for a nonprofit organization advocating for environmental action from a business perspective.
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