Abstract：
:Three-dimensional models of kidney tissue that recapitulate human responses are needed for drug screening, disease modeling, and, ultimately, kidney organ engineering. Here, we report a bioprinting method for creating 3D human renal proximal tubules in vitro that are fully embedded within an extracellular matrix and housed in perfusable tissue chips, allowing them to be maintained for greater than two months. Their convoluted tubular architecture is circumscribed by proximal tubule epithelial cells and actively perfused through the open lumen. These engineered 3D proximal tubules on chip exhibit significantly enhanced epithelial morphology and functional properties relative to the same cells grown on 2D controls with or without perfusion. Upon introducing the nephrotoxin, Cyclosporine A, the epithelial barrier is disrupted in a dose-dependent manner. Our bioprinting method provides a new route for programmably fabricating advanced human kidney tissue models on demand.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Homan KA,Kolesky DB,Skylar-Scott MA,Herrmann J,Obuobi H,Moisan A,Lewis JAdoi
10.1038/srep34845subject
Has Abstractpub_date
2016-10-11 00:00:00pages
34845issn
2045-2322pii
srep34845journal_volume
6pub_type
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