Journal
SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-021-85786-2
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Funding
- Mayo Clinic Center for Regenerative Medicine
- J.W. Kieckhefer Foundation
- Al Nahyan Foundation
- Regenerative Medicine Minnesota [RMM 101617 TR 004]
- NIH [DK107255, EB021911]
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The study demonstrates the successful encapsulation and formation of stem cell spheroids using microfluidic technology, as well as the differentiation of these spheroids into pancreatic beta cells. This technology holds great promise for treating various diseases and shows broad potential and application value.
Cellular therapies based on human pluripotent stem cells (hPSCs) offer considerable promise for treating numerous diseases including diabetes and end stage liver failure. Stem cell spheroids may be cultured in stirred bioreactors to scale up cell production to cell numbers relevant for use in humans. Despite significant progress in bioreactor culture of stem cells, areas for improvement remain. In this study, we demonstrate that microfluidic encapsulation of hPSCs and formation of spheroids. A co-axial droplet microfluidic device was used to fabricate 400 mu m diameter capsules with a poly(ethylene glycol) hydrogel shell and an aqueous core. Spheroid formation was demonstrated for three hPSC lines to highlight broad utility of this encapsulation technology. In-capsule differentiation of stem cell spheroids into pancreatic beta -cells in suspension culture was also demonstrated.
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