Researchers at the University of Toronto’s Institute of Biomedical Engineering have developed a new method to mature lab-grown heart cells, so they more closely resemble adult human heart tissue. By optimizing the chemical cocktail in which these cells are grown, the team improved their structure, electrical activity, and ability to contract. This advance could help create more reliable models for studying heart disease and testing new drugs, where current lab-grown cells often fall short due to their immature state.
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