Stem cell patch shows potential to heal heart patients—no surgery or transplant required
Researchers are working on a new stem cell patch designed to help patients recover after a heart attack. The patch is implanted through a tiny incision, making open-heart surgery unnecessary, and then held in place with a biocompatible adhesive. It then helps the heart recover over time, replacing dead tissue that would typically never be able to regenerate.
The group behind this new technology presented its latest findings in Acta Biomaterialia.[1]
“For patients with severe heart failure, there are very few options beyond mechanical pumps or transplants,” senior author Wugiang Zhu, PhD, a researcher with Mayo Clinic in Arizona, said in a statement. “We hope this approach will offer a new way to repair their own hearts.”
Zhu et al. tested their new patch on rats that were given surgically induced heart attacks. The early findings suggest this approach could provide significant value to heart patients everywhere if it can be fine-tuned and tested on human subjects. Researchers noted that the patch improved heart function and reduced both scarring and inflammation.
“Our results show that these engineered tissues not only survive, but actually help the heart heal itself,” Zhu said. “That's the ultimate goal: to replace what's lost and restore function.”
It will still be many years before this technique is performed on humans. Eventually, however, Zhu’s team envision a future where patients receive engineered heart tissue made from their very own reprogrammed cells. This means the patient could fully recover after undergoing only a simple, minimally invasive procedure—no donated heart required.
“Heart failure remains a devastating condition,” Zhu said. “If we can make stem cell treatment accessible to more patients, especially those too fragile for open-heart surgery, we could save lives.”
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Michael has more than 19 years of experience as a professional writer and editor. He has written at length about cardiology, radiology, artificial intelligence and other key healthcare topics.