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3D Bio-Printing Stem Cells

Posted by maxi@stemsave.com on Jun 19, 2019 11:38:00 AM

Researchers at University of Illinois Chicago are advancing 3D bio-printing by utilizing a gel to eliminate scaffold structures that model the shape of the organ or tissue being printed. The previous standard for 3D bio-printing involved creating a scaffold, typically from a biological polymer, and seeding it with stem cells that eventually differentiate and populate the structure to create the desired tissue. The challenge this technique poses is that the scaffold structure needs to be perfectly matched to the stem cells so that the scaffold degrades as the stem cells grow and differentiate into the desired structure. This new technique of 3D bio-printing by depositing the cells directly into a gel solves the problem of mismatched timing and should expedite and facilitate the printing of larger and more complex organs.

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Topics: stem cell printing, 3D printed organs

3D Printers Mend Broken Hearts

Posted by hunter@stemsave.com on Apr 22, 2019 4:18:00 PM

Researchers in Tel Aviv have printed the first vascularized heart made from human stem cells. For the first time, researchers successfully printed heart tissue along with the blood vessels necessary for the heart to be operational. In a miniaturized version, the researchers also incorporated the chambers of the heart. The next step is scaling up the size of the printed heart to the size typically found in humans.  Researchers believe a successful scaling up of the process would accelerate parallel efforts to bio-engineer organs in vitro and ameliorate the vast organ shortage, particularly with hearts.

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Topics: dental stem cells, stem cell banking, stem cell 3D printing, stem cell printing

3D Printing Tissues with Stem Cells

Posted by maxi@stemsave.com on Apr 10, 2019 11:47:00 AM

Researchers at UC Berkeley have been working on improving and scaling up and the printing of biomaterials with stem cells. They have developed a unique approach to ‘3D’ bioprinting by incorporating flash freezing into their process. They have improved on current techniques by printing layers of flat tissues [2D] and freezing them until they can be combined into a 3D structure. This technique was developed to overcome one of the major hurdles in scaling up 3D printing: the survival of the printed cells during the lengthy process of printing complex structures. By using 2D layers and flash freezing them before bringing them together to form a 3D organ or tissue structure, the new technique assures the survival of the cells throughout bigger, and more complex organs.

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Topics: dental stem cells, stem cell banking, stem cell printing, 3D printed organs, stem cell grafts

Stem Cell Bio-Printing Advances with Ultrasound

Posted by devin@stemsave.com on Apr 4, 2019 10:59:00 AM

Researchers at North Carolina State University, led by Assoc. Prof. Rohan Shirwaiker, have created a method to “herd” stem cells into desired structures using a biological 3D printer to create specialized structures more easily, overcoming one of the major hurdles in biological 3D printing. While researchers rely on biological scaffolds to help the stem cells differentiate into a particular organ or tissue, this new technique gives the researchers more control in guiding the cells into the desired structure.

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Topics: stem cell 3D printing, stem cell printing, 3D printed organs

AAOMS

AAOMS - American Association of Oral and Maxillofacial Surgeons

 

As the industry leader, StemSave is the only stem cell banking service to be designated as an ASI approved program.

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