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Animal-Free Research: Technology Paving the Way for the Future of Biomedicine

With the rapid development of artificial intelligence (AI), scientists are gradually replacing animal models with smarter, faster, more accurate, and more humane technologies.

Báo Tuổi TrẻBáo Tuổi Trẻ09/06/2025

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The use of animals in biomedical research has existed for centuries - Photo: AI

Limitations of animal models

Mice, rabbits, monkeys, and many other animals have been laboratory companions for generations. They are used to test drug toxicity, study disease, and test new treatments. However, mounting scientific evidence suggests that animal studies do not always accurately reflect biological responses in humans.

According to the US Food and Drug Administration (FDA), up to 90% of drugs that have shown positive results in animals fail in human trials. The reason is that significant differences in genes, biological structures, and immune systems between humans and animals make it difficult to transfer data from animals effectively.

In addition, maintaining animal research models is time-consuming, costly, and ethically controversial. This is the motivation for scientists to look for alternative solutions, and AI is one of the promising directions.

Artificial Intelligence: Data Scrubbing and Bio-Mimicking

AI has the ability to process and analyze huge amounts of data that humans cannot do in a short time. In biomedical research, AI can review hundreds of thousands of scientific papers, analyze the molecular structure of tens of thousands of compounds, predict the toxicity, effectiveness and mechanism of action of drugs on the human body without the need for animal testing.

A recent study in the US showed that AI can predict the liver toxicity of a compound with up to 87% accuracy, significantly higher than many current testing methods. Scientists even simulated more than 100,000 "virtual mice" on a computer system to test the drug's effectiveness, something that cannot be done in the real world for ethical and financial reasons.

AI is also being used in COVID-19 vaccine research, significantly reducing development time. With the help of AI, scientists can quickly identify regions of viral proteins (epitopes) that are likely to elicit an immune response, thereby designing effective vaccines without having to use traditional mouse models in many early stages.

AI does not work alone, but is often combined with biotechnologies such as organoids, 3D printed tissues or body-on-chip systems. These models use human cells to simulate the biological functions of the liver, heart, brain... and when combined with AI, the system can analyze complex drug or disease reactions in an environment that closely resembles the human body.

For example, artificial lung tissue connected to AI to assess the level of SARS-CoV-2 virus penetration gave results equivalent to mouse experiments, but much faster and more accurately. From there, tests can be performed in a personalized direction based on the patient's own stem cells, instead of using standardized animal models as before.

Shaping an animal-free era in biomedical research

The combination of AI and biotechnology is paving the way for a new era of animal-free research, which not only reduces costs and time, but also improves the accuracy of predicting drug responses, especially as personalized medicine becomes more mainstream.

Many countries, including the United States, have begun to relax regulations requiring drug testing on animals before conducting clinical trials. This is a clear signal that the scientific world is changing, gradually moving towards a more efficient, humane and modern research model with the help of artificial intelligence.

MINH HAI

Source: https://tuoitre.vn/nghien-cuu-khong-dong-vat-cong-nghe-mo-loi-cho-y-sinh-tuong-lai-20250609142417126.htm


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