期刊
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
卷 10, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2022.837087
关键词
bioprinting application; organs- and tissues-on-a-chip; Microphysiological systems; STL; 2PP; droplets
The development of advanced in vitro organotypic tissue constructs requires the re-creation of physiological cellular microenvironments that resemble complex in vivo architectures. Organ-on-a-chip technology has been increasingly used in recent years to create improved models for organs and tissues in human health and disease, providing control over soluble cues, biophysical signals, and biomechanical forces necessary for proper organotypic functions. The combination of organ-on-a-chip technology with 3D bioprinting and additive manufacturing techniques allows for unprecedented control over tissue structures and the generation of anisotropic constructs, similar to in vivo tissue architectures.
The re-creation of physiological cellular microenvironments that truly resemble complex in vivo architectures is the key aspect in the development of advanced in vitro organotypic tissue constructs. Among others, organ-on-a-chip technology has been increasingly used in recent years to create improved models for organs and tissues in human health and disease, because of its ability to provide spatio-temporal control over soluble cues, biophysical signals and biomechanical forces necessary to maintain proper organotypic functions. While media supply and waste removal are controlled by microfluidic channel by a network the formation of tissue-like architectures in designated micro-structured hydrogel compartments is commonly achieved by cellular self-assembly and intrinsic biological reorganization mechanisms. The recent combination of organ-on-a-chip technology with three-dimensional (3D) bioprinting and additive manufacturing techniques allows for an unprecedented control over tissue structures with the ability to also generate anisotropic constructs as often seen in in vivo tissue architectures. This review highlights progress made in bioprinting applications for organ-on-a-chip technology, and discusses synergies and limitations between organ-on-a-chip technology and 3D bioprinting in the creation of next generation biomimetic in vitro tissue models.
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