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- W1976842528 abstract "The cellular microenvironment plays an integral role in improving the function of microengineered tissues. Control of the microarchitecture in engineered tissues can be achieved through photopatterning of cell-laden hydrogels. However, despite high pattern fidelity of photopolymerizable hydrogels, many such materials are not cell-responsive and have limited biodegradability. Here, we demonstrate gelatin methacrylate (GelMA) as an inexpensive, cell-responsive hydrogel platform for creating cell-laden microtissues and microfluidic devices. Cells readily bound to, proliferated, elongated, and migrated both when seeded on micropatterned GelMA substrates as well as when encapsulated in microfabricated GelMA hydrogels. The hydration and mechanical properties of GelMA were demonstrated to be tunable for various applications through modification of the methacrylation degree and gel concentration. The pattern fidelity and resolution of GelMA were high and it could be patterned to create perfusable microfluidic channels. Furthermore, GelMA micropatterns could be used to create cellular micropatterns for in vitro cell studies or 3D microtissue fabrication. These data suggest that 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." @default.
- W1976842528 created "2016-06-24" @default.
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- W1976842528 date "2010-07-01" @default.
- W1976842528 modified "2023-10-18" @default.
- W1976842528 title "Cell-laden microengineered gelatin methacrylate hydrogels" @default.
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- W1976842528 doi "https://doi.org/10.1016/j.biomaterials.2010.03.064" @default.
- W1976842528 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2878615" @default.
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