Texas A&M University Nov 19 2025 A new patch developed by Texas A&M University researcher Dr. Ke Huang may offer a way to help the heart heal after a heart attack. The patch uses a unique microneedle system to deliver a therapeutic molecule directly to damaged heart tissue, promoting repair and improving heart function without affecting the rest of the body. Each tiny needle in this biodegradable patch contains microscopic particles loaded with interleukin-4 (IL-4), a molecule known to help