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Authors Husman, D. ; Welzel, P. ; Vogler, S. ; Bray, L. ; Träber, N. ; Friedrichs, J. ; Körber, V. ; Tsurkan, M. ; Freudenberg, U. ; Thiele, J. ; Werner, C.
Title Multiphasic microgel-in-gel materials to recapitulate cellular mesoevironments in vitro
Date 01.01.2020
Number 56185
Abstract Multiphasic in vitro models with cross-scale heterogeneity in matrix properties and/or cellular composition can reflect the structural and compositional complexity of living tissues more faithfully, thereby creating new options for pathobiology and drug development studies. Herein, a new class of tunable microgel-in-gel materials is reported that build on a versatile platform of multifunctional poly(ethylene glycol)-heparin gel types and integrates monodisperse, cell-laden microgels within cell-laden bulk hydrogel matrices. A novel microfluidic approach was developed to enable the high-throughput fabrication of microgels of in situ adjustable diameters, stiffness, degradability and biomolecular functionalization. By choosing structure and composition of the microgel and the bulk gel compartments independently, our microgel-in-gel arrangements provide cross-scale control over tissue-mimetic features and pave the way for culture systems with designed mesoenvironmental characteristics. The potentialities of the introduced approach are exemplarily shown by creating a reductionistic in vitro model of vascularized prostate cancer tissue.
Publisher Biomaterials Science
Wikidata Q91052123
Citation Biomaterials Science 2020 (2020) 101-108
DOI https://doi.org/10.1039/C9BM01009B
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