3D printing tissue and organs (Tissue engineering - 2019)

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3d printing tissue and organs (The bioprinting process - Frontiers of tissue engineering)

3D printing tissue and organs is a fascinating field within tissue engineering. 3D printing body parts to replace failing organs could turn into a medical revolution, eventually replacing the need for organ donors. The path to printing an organ is far from easy though and many problems have to be solved with regards to bioprinters, bioinks and capillary formation in the organ.

A big thanks to the Wake Forest Institure for Renegerative medicine and Dr. Anthony Atala for the footage and images on the bioprinting process:

The Wake Forest Institute for Regenerative Medicine is recognized as an international leader in translating scientific discovery into clinical therapies, with many world firsts, including the development and implantation of the first engineered organ in a patient. More than 450 scientists collaborate on regenerative medicine research at the institute, the largest in the world, working on more than 40 different tissues and organs. The institute is part of Wake Forest University and is located in the Innovation Quarter in downtown Winston-Salem, NC. Through partnerships and collaborations with many regenerative medicine centers internationally, the institute, which is driven by the urgent needs of patients, is making a global difference in the world of regenerative medicine.

Resources

Magazine stories etc. on bioprinters:

An interesting Guardian article on bioprinting and bioprinting startups:

Shorter blog posts on 3D bioprinting in general:

An overview of the different 3D bioprinting companies

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Other articles and resources

The global market for 3D bioprinting is estimated to reach 1 billion dollars by the early 2020's

A review article on the integrated tissue organ printer and on the ear construct printed with it at the Wake Forest Institute for Regenerative Medicine:

A review article on the different approaches to bioinks:

OPEN ACCESS - A thorough article on different 3D bioprinting methods and bioinks

Another very thorough review article focusing on the different tissue types being printed. Here the authors also reference that bioprinting organs could become a cost-effective treatment in a few decades.

A white paper by Prellis Biologics, Inc., a laser bioprinting company, addressing the difficulty of printing capillaries. They also mention the staggering 19 km of capillaries present in the kidney.

An article on Prellis Biologics printing capillary-structures:

OPEN ACCESS - The article from the lab of Dr. Jennifer Lewis at the Wyss Institute describing the bioink, that forms blood vessels:

The description of the printed liver and kidney tissue offered by Organovo:

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Credits

OPEN ACCESS - Graph on the number of published articles on bioprinting adapted from here:

Image of Dr. Anthony Atala:
Steve Jurvetson - Printing a Human Kidney on Stage - Anthony Atala (CC BY 2.0)

Cells moving video adapted from:

many of the images used in the video are from the collections of Berkshire Community College Bioscience Image Library

Image of the capillary

Kidney tissue:
Jpogi at English Wikipedia [Public domain], from Wikimedia Commons
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Amazing, another reason to love 3D bioprinting, Thanks.

AhedAlmalla
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It seems like so many of the difficulties of supporting a cell matrix against gravity while printing would go away if you printed in microgravity 🧐🧐. This was an epic video, thank you!

ozzyfromspace
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A NEW VIDEO! This took a while to get ready, but I think it turned out pretty nice. Spread the love and share this video!

EveryCellAUniverse
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Hey, these are getting better every time :). Thanks for doing a great job and presenting complex knowledge in comprehensible forms! Is printing human joints equally challenging or can we expect it sooner?

VitunSiili
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This is a really well-produced video, I'm kinda surprised it only has like 2000 views...

francescosanchez
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I came across your video right before you published and I've sticked to it because I will start a research along a group of investigators and your video is a turning point as to why I decided to get into bioprinting. Great quality and content. Congratulations!

Tuzomenso
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Another excellent video, I hope you will keep them comin' :)

omeryazc
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This is amazing! Will you do any neuroscience related videos?

James-ryby
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Well explained! Keep it up! Subscribed :)

tejasvis
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Excellent perspectives! Is stem-cell biology a field of your studies, or your professionnal domain ?

Yeahbviously
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I am suffering from empty nose syndrome. This disease is caused by removal or reduction of turbinates. I hope tissue engineering will regrow turbinates in the near future.

mehmetgundogdu
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How in the hell does this not have 1.0k likes?

Yaboi
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I wonder how far this is allowed to go

Could a paralysed patient have new legs printed?

Could a damaged spinal chord be replaced?

What about brain damage?

Ethical questions we may one day, possibly in our lifetime, have to face

l.jturner
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