Microneedle Patch Could Help Repair Muscle Damage After Heart Attack
“Researchers from China and the US have discovered that applying a microneedle patch to cardiac muscle that has been damaged during a heart attack can actually promote the growth of myocytes.
When someone experiences a heart attack, usually blood is not flowing to certain parts of the cardiac muscle, which leads to cell death, and ultimately, a damaged heart. This damage can be permanent, leaving patients with a heart that is not functioning properly. In the past, scientists have experimented by applying stem cells to a damaged area in the heart in order to mitigate the damage and help heal the heart. This research has not progressed as hoped.
With the microneedle patch, researchers apply the patch to a damaged area, which introduces the area to stem cells and allows the growth of heart muscle cells (myocytes). Microneedles in the patch open up microchannels and direct stem cells directly to the heart cells, promoting communication between the damaged areas and stem cells. The patch is an extremely
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