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Children Get New Ears Grown From Their Own Cells
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Time: 2018-02-01 09:15:12 UTC
Original URL: http://www.independent.co.uk/news/science/children-new-ears-grown-own-cells-china-scientists-worlds-first-operation-transplant-a8187776.html [independent.co.uk] using utf-8 encoding.
Title: Children Get New Ears Grown From Their Own Cells
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Children Get New Ears Grown From Their Own Cells
Arthur T Knackerbracket has found the following story [independent.co.uk]:
'They've shown that it is possible to get close to restoring the ear structure'
Scientists have grown a perfectly compatible ear in a lab and grafted it onto a patient, in what they said was a world first in regenerative medicine.
The groundbreaking technique saw them use the patient's own ear cartilage cells to form a new one.
Five children suffering from a condition known as microtia, in which the external ear is underdeveloped, have undergone the experimental surgery.
The first child to have the procedure two-and-a-half years ago was showing no signs the body has rejected or accidentally absorbed the new cells, the Chinese team who developed the procedure wrote when they published their findings in the journal EBioMedicine [ebiomedicine.com].
Currently the widely used treatments for microtia include the use of silicone prosthetic ears, or rib-cartilage reconstruction, which has mixed results.
The new technique involves taking a scan of the child's unaffected ear, reversing the dimensions and 3D-printing a biodegradable mould punctuated with tiny holes.
Cartilage cells taken from the recipient's other, unaffected ear are then used to fill the holes while the new ear is still in the lab.
Over three months the cartilage cells begin to grow in the shape of the mould, and the mould itself begins to break down.
While this process is underway, the ear is grafted onto the recipient.
"It's a very exciting approach," Tessa Hadlock, a reconstructive plastic surgeon at the Massachusetts Eye and Ear Infirmary in Boston, told New Scientist [newscientist.com], which first reported on the research.
