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Wed, Mar 02

Artificial arteries made quickly

Researchers at Duke University have developed a technique to make artificial arteries that naturally produce biochemical signals vital to their functions. They say the approach is also ten times faster than current methods for tissue engineering of blood vessels.

Arterial walls have multiple layers of cells, including the endothelium and media. The endothelium is the innermost lining of all blood vessels that interacts with circulating blood. The media is made mostly of smooth muscle cells that help control the flow and pressure of the blood within. These two layers communicate through a suite of chemical signals that control how the vascular system reacts to stimuli such as drugs and exercise.

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