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ALT 🧬 Scientists Create a Smart Material That Releases Healing Signals When Cells Pull on It What if a wound could activate its own healing signals? Scientists are developing a remarkable material that responds to the body's natural repair process. The secret lies in a special collagen sponge containing tiny molecular structures loaded with growth factors—proteins that help cells grow, move, and build new blood vessels. Here is the fascinating part: when living cells pull on the material, it releases healing signals right where they are needed. Instead of releasing everything at once, the sponge responds to the mechanical forces created by the cells themselves. In experiments, the material helped increase blood vessel formation in rats with bone injuries. Related materials also improved healing responses in mouse skin wounds and laboratory-grown human skin tissue.









