Artificial Blood Vessels Work

Why Do Blood Types Differ?

Stories about the promise of artificial blood vessels often include the phrase "could eventually" or "might someday." This story does not.

Blood vessels have been made from a patient's own skin cells, a first that lowers the odds of a harmful immune reaction that can arise when foreign materials are used. The work was done in patients receiving kidney dialysis, a procedure of removing, filtering and reloading a patient's blood that typically involves implanting a small blood vessel between a vein and an artery.

To grow the blood vessels, researchers harvested skin cells, grew them on a sheet, then rolled it up and let it all grow some more. Then they removed the cells that spurred the growth.

[Read the Full Story at Science Now]

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