![]() ![]() ![]() The experiment was designed to test the viability of growing tissues for later transplant to human patients. The team published their research in Plastic and Reconstructive Surgery in 1997. “Earmouse” or the Vacanti mouse, as the animal has become known, continued to grow the piece of tissue out of its back until it resembled the size and shape of a human ear. The “ear” was first placed into an incubator, and once it began to grow, it was transplanted into the body of a nude mouse (a species of laboratory mouse with a genetic mutation that causes a degraded or absent thymus organ, inhibiting the animals’ immune system and ability to reject foreign tissues). The experiment used an ear-shaped mold filled with cartilage cells from a cow. More than 20 years ago, two Harvard University medical researchers, Joseph and Charles Vacanti, led a team that successfully grew a human-ear-shaped piece of cartilage on the back of a lab mouse. ![]()
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