Engineered whole cut meat-like tissue by the assembly of cell fibers using tendon-gel integrated bioprinting

With the current interest in cultured meat, mammalian cell-based meat has mostly been unstructured. There is thus still a high demand for artificial steak-like meat. We demonstrate in vitro construction of engineered steak-like tissue assembled of three types of bovine cell fibers (muscle, fat, and...

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Bibliographic Details
Published in:	Nature communications Vol. 12; no. 1; p. 5059
Main Authors:	Kang, Dong-Hee, Louis, Fiona, Liu, Hao, Shimoda, Hiroshi, Nishiyama, Yasutaka, Nozawa, Hajime, Kakitani, Makoto, Takagi, Daisuke, Kasa, Daijiro, Nagamori, Eiji, Irie, Shinji, Kitano, Shiro, Matsusaki, Michiya
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 24-08-2021 Nature Publishing Group Nature Portfolio
Subjects:	13/106 13/107 3-D printers 631/61/2035 631/61/2320 631/61/54/2295 639/166/985 639/301/54/2295 Adipose tissue Animals Assembly Beef Bioprinting - methods Blood Blood vessels Capillaries Cattle Cell Culture Techniques Collagen Contraction Endothelial Cells Fabrication Fatty acids Fibers Gels Humanities and Social Sciences Mammals Meat multidisciplinary Muscles Muscles - cytology Muscles - physiology Musculoskeletal system Printing, Three-Dimensional Science Science (multidisciplinary) Skeletal muscle Stem Cells Tendons - cytology Three dimensional printing Tissue Engineering Viscosity
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Summary:	With the current interest in cultured meat, mammalian cell-based meat has mostly been unstructured. There is thus still a high demand for artificial steak-like meat. We demonstrate in vitro construction of engineered steak-like tissue assembled of three types of bovine cell fibers (muscle, fat, and vessel). Because actual meat is an aligned assembly of the fibers connected to the tendon for the actions of contraction and relaxation, tendon-gel integrated bioprinting was developed to construct tendon-like gels. In this study, a total of 72 fibers comprising 42 muscles, 28 adipose tissues, and 2 blood capillaries were constructed by tendon-gel integrated bioprinting and manually assembled to fabricate steak-like meat with a diameter of 5 mm and a length of 10 mm inspired by a meat cut. The developed tendon-gel integrated bioprinting here could be a promising technology for the fabrication of the desired types of steak-like cultured meats. Mammalian cell-based cultured meat has mostly been unstructured, leaving a demand for artificial steak-like meat. Here the authors present an assembled steak-like tissue of bovine skeletal muscle, adipose tissue, and blood capillary tissue fabricated by tendon-gel integrated printing technology.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2041-1723 2041-1723
DOI:	10.1038/s41467-021-25236-9