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Open AccessJournal ArticleDOI

Microscale technologies for tissue engineering and biology

TLDR
An overview of the use of microfluidics, surface patterning, and patterned cocultures in regulating various aspects of cellular microenvironment is discussed, as well as the application of these technologies in directing cell fate and elucidating the underlying biology.
Abstract
Microscale technologies are emerging as powerful tools for tissue engineering and biological studies. In this review, we present an overview of these technologies in various tissue engineering applications, such as for fabricating 3D microfabricated scaffolds, as templates for cell aggregate formation, or for fabricating materials in a spatially regulated manner. In addition, we give examples of the use of microscale technologies for controlling the cellular microenvironment in vitro and for performing high-throughput assays. The use of microfluidics, surface patterning, and patterned cocultures in regulating various aspects of cellular microenvironment is discussed, as well as the application of these technologies in directing cell fate and elucidating the underlying biology. Throughout this review, we will use specific examples where available and will provide trends and future directions in the field.

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Journal ArticleDOI

Reconstituting Organ-Level Lung Functions on a Chip

TL;DR: Mechanically active “organ-on-a-chip” microdevices that reconstitute tissue-tissue interfaces critical to organ function may expand the capabilities of cell culture models and provide low-cost alternatives to animal and clinical studies for drug screening and toxicology applications.
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Hydrogels in regenerative medicine

TL;DR: The properties of hydrogels that are important for tissue engineering applications and the inherent material design constraints and challenges are discussed.
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Cell-laden microengineered gelatin methacrylate hydrogels.

TL;DR: GelMA hydrogels could be useful for creating complex, cell- responsive microtissues, such as endothelialized microvasculature, or for other applications that require cell-responsive microengineered hydrogELs.
Journal ArticleDOI

Modeling Tissue Morphogenesis and Cancer in 3D

TL;DR: Three-dimensional (3D) in vitro models provide unique perspectives on the behavior of stem cells, developing tissues and organs, and tumors and may help to accelerate translational research in cancer biology and tissue engineering.
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Hyaluronic acid hydrogels for biomedical applications.

TL;DR: This progress report covers both basic concepts and recent advances in the development of HA‐based hydrogels for biomedical applications.
References
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Journal Article

Tissue engineering : Frontiers in biotechnology

R. Langer, +1 more
- 01 Jan 1993 - 
Journal ArticleDOI

Geometric control of cell life and death.

TL;DR: Human and bovine capillary endothelial cells were switched from growth to apoptosis by using micropatterned substrates that contained extracellular matrix-coated adhesive islands of decreasing size to progressively restrict cell extension.
Journal ArticleDOI

Cell shape, cytoskeletal tension, and rhoa regulate stem cell lineage commitment

TL;DR: It is demonstrated that cell shape regulates commitment of human mesenchymal stem cells to adipocyte or osteoblast fate and mechanical cues experienced in developmental and adult contexts, embodied by cell shape, cytoskeletal tension, and RhoA signaling, are integral to the commitment of stem cell fate.
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Osteoblastic cells regulate the haematopoietic stem cell niche

TL;DR: Osteoblastic cells are a regulatory component of the haematopoietic stem cell niche in vivo that influences stem cell function through Notch activation.
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Identification of the haematopoietic stem cell niche and control of the niche size

TL;DR: It is concluded that SNO cells lining the bone surface function as a key component of the niche to support HSCs, and that BMP signalling through BMPRIA controls the number of H SCs by regulating niche size.
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