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Scientists Create New Ear Using 3D Printing And Living Cell Injections

 
Mordier L'eft
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02/22/2013 12:42 AM
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Scientists Create New Ear Using 3D Printing And Living Cell Injections
WASHINGTON -- Printing out body parts? Cornell University researchers showed it's possible by creating a replacement ear using a 3-D printer and injections of living cells.

The work reported Wednesday is a first step toward one day growing customized new ears for children born with malformed ones, or people who lose one to accident or disease.

It's part of the hot field of tissue regeneration, trying to regrow all kinds of body parts. Scientists hope using 3-D printing technology might offer a speedier method with more lifelike results.

If it pans out, "this enables us to rapidly customize implants for whoever needs them," said Cornell biomedical engineer Lawrence Bonassar, who co-authored the research published online in the journal PLoS One.

This first-step work crafted a human-shaped ear that grew with cartilage from a cow, easier to obtain than human cartilage, especially the uniquely flexible kind that makes up ears. Study co-author Dr. Jason Spector of Weill Cornell Medical Center is working on the next step – how to cultivate enough of a child's remaining ear cartilage in the lab to grow an entirely new ear that could be implanted in the right spot.

Wednesday's report is "a nice advancement," said Dr. Anthony Atala, director of the Institute for Regenerative Medicine at Wake Forest Baptist Medical Center, who wasn't involved in the new research.

Three-dimensional printers, which gradually layer materials to form shapes, are widely used in manufacturing. For medicine, Atala said the ear work is part of broader research that shows "the technology now is at the point where we can in fact print these 3-dimensional structures and they do become functional over time."

[link to www.huffingtonpost.com]
--"In this era of great big brains anything that can happen will. So hunker down." -- Kurt Vonnegut, JR. -- Galapagos.
Mordier L'eft (OP)

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02/22/2013 09:50 AM
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Re: Scientists Create New Ear Using 3D Printing And Living Cell Injections
bump
--"In this era of great big brains anything that can happen will. So hunker down." -- Kurt Vonnegut, JR. -- Galapagos.
Döctör Whö

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02/22/2013 10:00 AM
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Re: Scientists Create New Ear Using 3D Printing And Living Cell Injections
Wonder if they could print me out a girlfriend if I sent them a picture of what I wanted?

SmileyWink

tardis22 ~The Doctor
“All matter originates and exists only by virtue of a force which brings the particle of an atom to vibration and holds this most minute solar system of the atom together. We must assume behind this force the existence of a conscious and intelligent mind. This mind is the matrix of all matter.” ~ Max Planck
Anonymous Coward
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02/22/2013 10:20 AM
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Re: Scientists Create New Ear Using 3D Printing And Living Cell Injections


Incredible video, at around the 9 min point he talks about printing kidneys. Science is amazing.

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